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www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 1/ 26 31.oct.2012 rev.001 tsz22111 ? 14 ? 00 datasheet operational amplifier s series low noise operational amp lifiers ba 2107g , ba21 15xxx general description ba2107/ba2115 are single and dual operational amplifier with high gain and high slew rate(4v/s) . ba2107/ba 2115 has good performance of input referred noise voltage (7 hz nv/ ) and total harmonic distortion ( 0.008% ). these are suitable for audio applications. features ? high voltage gain, low noise, low distortion ? l ow input referred noise voltage ? low distortion ? wide operating supply voltage ? i nternal esd protection circuit application ? audio application ? potable equipment ? c onsumer electronics packages w(typ.) x d(typ.) x h(max.) ssop5 2.90mm x 2.80mm x 1.25mm sop8 5.00mm x 6.20mm x 1.71mm sop -j8 4.9 0mm x 6. 0 0mm x 1. 65mm msop8 2.90m m x 4.00mm x 0.90mm key specification ? wide operating supply voltage (split supply): 1.0v to 7.0 v ? operating temperature range: - 40 c to +85 c ? high slew rate: 4v/ s (typ.) ? total harmonic distortion : 0.008%(typ.) ? input referred noise volta ge : 7 hz nv/ (typ.) block d iagram s product structure sili con monolithic integrated circuit this product is not designed protection against radioactive rays. in in vout vcc vee figure 1 . simplified schematic http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 2/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx pin configuration (top view) ssop5 pin no. symbol 1 +in1 2 vee 3 - in1 4 out 5 vcc sop8, sop - j8, msop8 pin no. symbol 1 out1 2 - in1 3 +in1 4 vee 5 +in 2 6 - in2 7 out2 8 vcc package ssop5 sop8 sop -j8 msop8 ba2107g ba2115f ba2115fj ba2115fvm ordering information b a 2 1 x x x x x - x x part n umber ba2107g BA2115XXX package g : ss op 5 f : sop8 fj : sop -j8 fvm : m sop 8 packaging and forming specification e2: embossed tape and reel (sop8/sop- j8) tr: embossed tape and reel (ssop5/msop8) line - up topr operating supply voltage (split supply) supply current (typ.) slew rate (typ.) package orderable par t number - 40c to +85c 1.0v to 7.0v 3.5ma 4v/s ssop5 reel of 3000 ba2107g -tr sop8 reel of 2500 ba2115f -e2 sop -j8 reel of 2500 ba2115f j- e2 msop8 reel of 3000 ba2115fvm- tr 4 5 3 6 2 7 1 8 ch1 - + ch2 + - out1 -in1 +in1 vee out2 -in2 +in2 vcc 3 4 2 1 5 + - out +in - in vee vcc http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 3/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx absolute maximum ratings (ta=25 ) ba 2107, ba 2115 parameter sy mbol rating s unit supply voltage vcc -vee + 14 v power dissipation pd ssop5 675 * 1 * 4 mw sop8 780 *2*4 sop -j8 675 * 1 * 4 msop8 590 *3*4 differential input voltage *5 vid + 14 v input common - mode voltage range vicm (vee- 0.3) to vee+14 v operating supply voltage vopr 2 to 14(1 to 7) v operating temperature topr -40 to +85 storage temperature ts t g -55 to 150 maximum junction temperature tjmax + 150 note: absolute maximum rating item indicates the condition which must not be exceeded. application of voltage in excess of absolute maximum rating or use out absolute max imum rated temperature environment may cause deterioration of characteristics. *1 to use at temperature above ta25 reduce 5.4 mw/ *2 to use at temperature above ta25 reduce 6.2 mw/ *3 to use at temperature above ta25 reduce 4.8 mw/ *4 mo unted on a fr4 glass epoxy pcb(70mm70mm1.6mm). *5 the voltage difference between inverting input and non - inverting input is the differential input voltage. t hen input terminal voltage is set to more than vee. electric al c haracteristics ba21 07 ( unle ss otherwise specified vcc=+2.5v, vee= - 2.5v, ta=25 ) parameter symbol limits unit condition min. typ. max. input offset voltage * 6 vio - 1 6 mv vout= 0v, vicm= 0v input offset current *6 iio - 2 200 na vout= 0v, vicm= 0v input bias current * 7 ib - 150 400 na vout= 0v, vicm= 0v supply current icc - 1.8 3.0 ma av=0db, rl= vin+=0v maximum output voltage (high) voh 4.5 4.8 - v rl R 2.5k , voh min =vcc - 0.5v - 11.6 - rl R 10k , vcc=12v , vee=0v vrl=6v , voh=vcc - 0.4v - 15.5 - rl R 10k , vcc=16v , vee=0v vrl=8v , voh=vcc - 0.5v maximum output voltage (low) vol 0.5 0.2 - v rl R 2.5k , vol min =vee+0.5v - 0.4 - rl R 10k , vcc=12v , vee=0v vrl=6v , vol=vee+0.4v - 0.5 - rl R 10k , vcc=16v , vee=0v vrl=8v , vol=vee+0.5v output source current i source - 1.4 - ma - output si nk current i sink - 90 - ma - large signal voltage gain av 60 80 - db rl R 10k , vout=2.52v vicm=2.5v input common - mode voltage range vicm 1.0 - 4.0 v vee1.0v to vcc - 1.0v common - mode rejection ratio cmrr 60 74 - db vicm=1.0v to 4.0v power supply rejection ratio psrr 60 80 - db vcc=2v to 16v slew rate sr - 4 - v/s av =0db, vin=2v p-p gain bandwidth product gb w - 12 - mhz f=10khz unity gain frequency f t - 3.4 - mhz 0db cross frequency input referred noise voltage vn - 7 - hz nv/ rg=600 , din - audio - 0.9 - vrms rg=600 , din - audio total harmonic distortion thd +n - 0.008 - av =20db, f=1khz, din - audio *6 absolute value *7 current direction: since first input stage is composed with pnp transistor, input bias current flows out of ic. http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 4/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx ba2115 ( unless otherwise specified vcc=+2.5v, vee= - 2.5v, ta=25 ) parameter symbol limits unit condition min. typ. max. input offset voltage *8 vio - 1 6 mv vout=0v, vicm=0v input offset current * 8 iio - 2 200 na vout=0v, vicm=0v input bias curre nt *9 ib - 150 400 na vout=0v, vicm=0v supply current icc - 3.5 5 ma rl= , all op - amps, vin+=0v maximum output voltage (high) voh 4.5 4.8 - v rl R 2.5k , voh min =vcc - 0.5v - 11.6 - rl R 10k , vcc=12v , vee=0v vrl=6v , voh=vcc - 0.4v - 15.5 - rl R 10k , vcc=16 v , vee=0v vrl=8v , voh=vcc - 0.5v maximum output voltage (low) vol 0.5 0.2 - v rl R 2.5k , vol min =vee+0.5v - 0.4 - rl R 10k , vcc=12v , vee=0v vrl=6v , vol=vee+0.4v - 0.5 - rl R 10k , vcc=16v , vee=0v vrl=8v , vol=vee+0.5v output source current i source - 1.4 - ma - output sink current i sink - 90 - ma - large signal voltage gain av 60 80 - db rl R 10k vout=2v, vicm=0v input common - mode voltage range vicm 1.5 - - v - common - mode rejection ratio cmrr 60 74 - db vicm= - 1.5v to +1.5v power supply rejection rat io psrr 60 80 - db vcc=+2v to +14v slew rate sr - 4 - v/s av =0db, vin=1v gain bandwidth product gb w - 12 - mhz f=10khz unity gain frequency f t - 3.4 - mhz 0db cross frequency input referred noise voltage vn - 7 - hz nv/ rg=600 , din - audio - 0.9 - vrms rg=600 , din - audio total harmonic distortion thd +n - 0.008 - av =20db, f=1khz, din - audio channel separation cs - 100 - db av=4 0db *8 absolute value *9 current direction: since first input stage is composed with pnp transistor, input bias current flows out of ic. http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 5/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx description of electrical characteristics described here are the terms of electric characteris tics used in this dat asheet . items and symbols used are also shown. note that item name and symbol and their meaning may differ from those on another manufacture?s document or general document. 1. absolute maximum ratings absolute maximum rating item indicates the condition which must not be exceeded. application of voltage in excess of absolute maximum rating or use out of absolute maximum rated temperature environment may cause deterioration of characteristics. 1.1 power supply voltage (vcc /vee) indicates the maximum voltage that can be applied between the positive power supply terminal and negative power supply terminal without deterioration or destruction of characteristics of internal circuit. 1.2 differential input voltage (vid) indicates the maximum voltage that can be applied between non - inverting terminal and inverting terminal without deterioration and destruction of characteristics of ic. 1.3 input common - mode voltage range (vicm) indicates the maximum voltage that can be applied to non - inverting terminal and inverting terminal without deterioration or destruction of characteristics. input common - mode voltage range of the maximum ratings not assure normal operation of ic. when normal operation of ic is desired, the input common - mode voltage of characteristics item must be followed. 1.4 power dissipation (pd) indicates the power that can be consumed by specified mounted board at the ambient temperature 25 (normal temperature). as for package product, pd is determined by the temperature that can be permitted by ic chip in the package (maximum junction temperature)and thermal resistance of the package. 2. electrical characteristics item 2.1 input offset voltage (vio) indicates the voltage difference between non - inverting terminal and inverting terminal. it can be translated into the input voltage difference required for setting the output voltage at 0 v. 2.2 input offset current (iio) indicates the difference of input bias current between non - inverting terminal and inverting terminal. 2.3 input bias current (ib) indicates the current that flows into or out of the input terminal. it is defined by the average of input bias current at non- inverting terminal and input bias current at inverting terminal. 2.4 input common - mode voltage range(vicm) indicates the input voltage range where ic operates normally. 2.5 large signal voltage gain (a v) indicates the amplifying rate (gain) of output voltage against the voltage difference between non - inverting terminal and inverting terminal. it is normally the amplifying rate (gain) with reference to dc voltage. av = (output voltage fluctuation) / (input offset fluctuation) 2.6 circuit cu rrent (icc) indicates the ic current that flows under specified conditions and no - load steady status. 2. 7 maximum output voltage (high) / maximum output voltage (low) (voh/vol) indicates the voltage range that can be output by the ic under specified load condition. it is typically divided into high - level output voltage and low - level output voltage. high - level output voltage indicates the upper limit of output voltage. low - level output voltage indicates the lower limit. 2. 8 output source current/ output sink current (i source /i sink ) the maximum current that can be output under specific output conditions, it is divided into output source current and output sink current. the output source current indicates the current flowing out of the ic, and the output sink cu rrent the current flowing into the ic. 2. 9 common - mode rejection ratio (cmrr) indicates the ratio of fluctuation of input offset voltage when in - phase input voltage is changed. it is normally the fluctuation of dc. cmrr = (change of input common - mode voltage) / (input offset fluctuation) 2.1 0 power supply rejection ratio (psrr) indicates the ratio of fluctuation of input offset voltage when supply voltage is changed. it is normally the fluctuation of dc. psrr = (change of power supply voltage) / (input offset fluctuation) http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 6/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx 2.1 1 slew rate (sr) sr is a parameter that shows movement speed of operational amplifier. it indicates rate of variable output voltage as unit time. 2.1 2 gain band width ( gbw ) indicates to multiply by the frequency and the gain where the voltage gain decreases 6db/octave. 2.1 3 unity gain frequency ( f t ) indicates a frequency where the voltage gain of operational amplifier is 1. 2.1 4 total harmonic distortion + noise (thd+n) indicates the fluctuation of input offset voltage or that of output voltage with reference to the change of output voltage of driven channel. 2.1 5 input referred noise voltage (vn) indicates a noise voltage generated inside the operational amplifier equivalent by ideal voltage source connected in series with input termin al. 2.1 6 channel separation (cs) indicates the fluctuation of input offset voltage or that of output voltage with reference to the change of output voltage of driven channel. http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 7/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx typical performance curves ba21 07 (*)the above data is measurement value of typical sample , it is not guaranteed. -3 -2 -1 0 1 2 3 0.1 1 10 100 1000 10000 load resistance [k ] output voltage [v] 0 1 2 3 4 -50 -25 0 25 50 75 100 ambient temperature [ ] supply current [ma] -10 -8 -6 -4 -2 0 2 4 6 8 10 2 3 4 5 6 7 8 supply voltage [v] output voltage [v] figure 2 . derating curve figure 3 . supply current - supply voltage figure 4 . supply current - ambient temperature figure 5 . output voltage - load resistance (vcc/vee=+2.5v/- 2.5v) ba 2107g 0 1 2 3 4 0 5 10 15 su ppl y vol tage [v] supply current [ma] . - 40 25 85 2 .0v 14.0v 5.0v 85 voh vol http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 8/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx ba21 07 (*)the above data is measurement value of typical sample , it is not guaranteed. 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.4 0.8 1.2 1.6 2.0 output source current [ma] output voltage [v] -10 -6 -2 2 6 10 -50 -25 0 25 50 75 100 ambient temperature [ ] output voltage [v] -10 -6 -2 2 6 10 1 2 3 4 5 6 7 8 supply voltage [v] output voltage [v] -3 -2.5 -2 -1.5 -1 -0.5 0 0 2 4 6 8 10 output sink current [ma] output voltage [v] figure 6 . output voltage - supply voltage (rl=10k ) figure 7 . output voltage - ambient temperature (vcc/vee=+7.0 v/ -7. 0 v, rl=10k ) figu re 8 . output voltage - output source current (vcc/vee=+2.5v/- 2.5v) figure 9 . output voltage - output sink current (vcc/vee=+2.5v/- 2.5v) voh vol voh vol voh vol http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 9/ 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx ba21 07 (*)the above data is measurement value of typical sample , it is not guaranteed. 0 50 100 150 200 250 1 2 3 4 5 6 7 8 supply voltage [v] input bias current [na] -3 -2 -1 0 1 2 3 -50 -25 0 25 50 75 100 ambient temperature [c] input offset voltage [mv] -6 -4 -2 0 2 4 6 1 2 3 4 5 6 7 8 supply voltage [v] input offset voltage [mv] 0 50 100 150 200 250 -50 -25 0 25 50 75 100 ambient temperature [c] input bias current [na] . figure 1 1 . input offset voltage - ambient temperature (vicm=0v, vout=0v) figure 1 0 . input offset volta ge - supply voltage (vicm=0v, vout=0v) fig ure 12. input bias current - supply voltage (vicm=0v, vout=0v) figure 1 3 . input bias current - ambient temperature (vicm=0v, vout=0v) 1. 0 v 2.5v 7.0v - 40 25 85 1. 0v 2.5v 7.0v http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 10/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx ba21 07 (*)the above data is measurement value of typical sample , it is not guaranteed. 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 ambient temperature [c] large signal voltage gain [db] . -6 -4 -2 0 2 4 6 -2.5 -1.5 -0.5 0.5 1.5 2.5 common mode input voltage [v] input offset voltage [mv] -40 -30 -20 -10 0 10 20 30 40 -50 -25 0 25 50 75 100 ambient temperature [ ] input offset current [na] -40 -30 -20 -10 0 10 20 30 40 1 2 3 4 5 6 7 8 supply voltage [v] input offset current [na] . figure 14. input offset current - supply voltage (vicm=0v, vout=0v) figure 1 5 . input offset current - ambient temperature (vicm=0v, vout=0v) figure 1 7 . large signal voltage gain - ambient temperature (vcc/vee=+2.5v/- 2.5v) f igure 1 6 . input offset voltage - common mode input voltage (vcc/vee=+2.5v/- 2.5v, vout=0v) - 40 25 85 1. 0 v 2.5 v 7.0v - 40 25 85 http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 11 / 26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx 0 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 supply voltage[v] slew rate l-h [v/us] ba21 07 (* )the above data is measurement value of typical sample , it is not guaranteed. 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 1 2 3 4 5 6 7 8 supply voltage [v] slew rate h-l [v/s] 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 ambient temperature [c] power supply rejection ratio[db] . 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 ambient temperature [c] common mode rejection ratio [db] . figure 1 8 . common mode rejection ratio - ambient temperature (vcc/vee=+2.5v/- 2.5v) figure 1 9 . powe r supply rejection ratio - ambient temperature (vcc/vee=+2.5v/- 2.5v) figure 20. slew rate l -h - supply voltage figure 2 1 . slew rate h -l - supply voltage - 40 25 85 - 40 25 85 http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 12/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx 0 10 20 30 40 50 1.e+02 1.e+03 1.e+04 1.e+05 1.e+06 1.e+07 frequency [hz] gain [db] . -180 -150 -120 -90 -60 -30 0 phase [deg] . gain phase ba21 07 (*)the above data is measurement value of typical sample , it is not guaranteed. 0 10 20 30 40 1 10 100 1000 10000 frequency [hz] equivalent input noise voltage [nv/ hz] 0.001 0.01 0.1 1 0.01 0.1 1 10 output voltage [vrms] total harmonic distortion [%] figure 2 2 . total harmonic distortion - output voltage (vcc/vee=2.5v/- 2.5v, rl= 2k 80khz - l p f, ta = 2 5 ) figure 2 3 . equivalent input noise voltage - frequency (vcc/vee=2.5v/- 2.5v) figure 24. voltage gain - frequency (vcc/vee=2.5v/- 2.5v, a v =40db, rl=10k ) 20khz 1khz 20hz 10 2 10 3 10 4 10 5 10 6 10 7 http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 13/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx t ypical performance curves ba2115 (*)the above data is measurement value of typical sample , it is not guaranteed. figure 2 6. supply c urrent - supply voltage 0 1 2 3 4 5 6 7 0 5 10 15 supply voltage [v] supply current [ma] . - 40 25 85 figure 2 8. output voltage - load resistance (vcc/vee=+2.5v/- 2.5v) -3 -2 -1 0 1 2 3 0.1 1 10 100 1000 10000 load resistance [k ] output voltage [v] voh vol figure 2 5. derating curve 0 200 400 600 800 1000 0 25 50 75 100 125 ambient temperature [ ] power dissipation [mw] . ba2115fvm ba2115f ba2115f j figure 2 7. supply current - ambient temperature 0 1 2 3 4 5 6 7 -50 -25 0 25 50 75 100 ambient temperature [ ] supply current [ma] 3.0v 14.0v 5.0v http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 14/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx ba2115 (*)the above data is measurement value of typical sample , it is not guaranteed. figure 29 . maximum output voltage - supply voltage (rl=10k) -10 -8 -6 -4 -2 0 2 4 6 8 10 2 3 4 5 6 7 8 supply voltage [v] output voltage [v] voh vol figure 31. maximum output voltage - output source current (vcc/vee=+2.5v/- 2.5v) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 0.0 0.4 0.8 1.2 1.6 2.0 output source current [ma] output voltage [v] voh figure 32. maximum output voltage - output sink current (vcc/vee=+2.5v/- 2.5v) -3 -2.5 -2 -1.5 -1 -0.5 0 0 2 4 6 8 10 output sink current [ma] output voltage [v] vol figure 30. maximum output voltage - ambient tem perature (vcc/vee=+7v/- 7v, rl=10k) -10 -8 -6 -4 -2 0 2 4 6 8 10 -50 -25 0 25 50 75 100 ambient temperature [ ] output voltage [v] voh vol http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 15/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx ba2115 (*)the above data is measurement value of typical sampl e , it is not guaranteed. figure 3 3. input offset voltage - supply voltage (vicm=0v, vout=0v) -6 -4 -2 0 2 4 6 1 2 3 4 5 6 7 8 supply voltage [v] input offset voltage [mv] figure 3 5. input bias current - supply voltage (vicm=0v, vout=0v) 0 50 100 150 200 250 1 2 3 4 5 6 7 8 supply voltage [v] input bias current [na] . . - 40 25 85 figur e 3 6. input bias current - ambient temperature (vicm=0v, vout=0v) 0 50 100 150 200 250 -50 -25 0 25 50 75 100 ambient temperature [c] input bias current [na] . 1.5v 2.5v 7.0v figure 3 4. input offset voltage - ambient temperature (vicm=0v, vout=0v) -3 -2 -1 0 1 2 3 -50 -25 0 25 50 75 100 ambient temperature [c] input offset voltage [mv] 1.5v 2.5v 7.0v http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 16/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx ba2115 (*)the above data is measurement value of typical sample , it is not guaranteed. figure 3 7. input offset current - supply voltage (vicm=0v, vout=0v) -40 -30 -20 -10 0 10 20 30 40 1 2 3 4 5 6 7 8 supply voltage [v] input offset current [na] . - 40 25 85 figure 3 8. input offset current - ambient temperature (vicm=0v, vout=0v) -40 -30 -20 -10 0 10 20 30 40 -50 -25 0 25 50 75 100 ambient temperature [ ] input offset current [na] 1.5v 2.5v 7.0v figure 40. large signal voltage gain - ambient temperature (vcc/vee=+2.5v/ - 2.5v) 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 ambient temperature [c] large signal voltage gain [db] . figure 3 9. input offset voltage - common mode input voltage (vcc/vee=+2.5v/- 2.5v, vout=0v) -20 -15 -10 -5 0 5 10 15 20 -2.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 common mode input voltage [v] input offset voltage [mv] - 40 25 85 http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 17/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx 0 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 supply voltage[v] slew rate l-h [v/us] ba2115 (*)the above data is measurement value of typical sample , it is not guaranteed. figure 42. power supply rejection ratio - ambient temperature (vcc/vee=+2.5v/- 2.5v) 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 ambient temperature [c] power supply rejection ratio [db] . figure 44. slew rate h -l - supply voltage 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 1 2 3 4 5 6 7 8 supply voltage [v] slew rate h-l [v/s] - 40 25 85 figure 41. common mode rejection ratio - ambient temperature (vcc/vee=+2.5v/- 2.5v) 0 25 50 75 100 125 150 -50 -25 0 25 50 75 100 ambient temperature [c] common mode rejection ratio [db] . figure 43. slew rate l -h - supply voltage - 40 25 85 http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 18/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx 0 10 20 30 40 50 1.e+02 1.e+03 1.e+04 1.e+05 1.e+06 1.e+07 frequency [hz] gain [db] . -180 -150 -120 -90 -60 -30 0 phase [deg] . gain phase ba2115 (*)the above data is measurement value of typical sample , it is not guaranteed. fi gure 45. total harmonic distortion - output voltage (vcc/vee=2.5v/- 2.5v, rl=3k 80khz - l p f, ta=25 ) 0.001 0.01 0.1 1 0.01 0.1 1 10 output voltage [vrms] total harmonic distortion [%] 20khz 1khz 20hz figure 46. equivalent input noise voltage - frequency (vcc/vee=2.5v/- 2.5v) 0 10 20 30 40 1 10 100 1000 10000 frequency [ hz] equivalent input noise voltage [nv/ hz] 10 2 10 3 10 4 10 5 10 6 10 7 figure 47. voltage gain - frequency (vcc/vee=2.5v/- 2.5v, a v =40db, rl=10k) http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 19/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx application information null method condition for test c ircuit 1 vcc, vee, ek, vicm unit: v parameter vf s1 s2 s3 v cc vee ek vicm calculation input offset voltage vf1 on on off 2. 5 - 2.5 0 0 1 input offset current vf2 off off off 2. 5 - 2.5 0 0 2 input bias current vf3 off on off 2. 5 - 2.5 0 0 3 vf4 on off large signal voltage gain vf5 on on on 2. 5 - 2.5 - 1.0 0 4 vf6 1.5 - 2.5 1.0 0 common - mode rejection ratio (input common - mode voltage range) vf7 on on off 1. 5 - 3.5 - 1.0 0 5 vf8 3. 5 - 1.5 1.0 0 power supply rejection ratio vf9 on on off 0.7 5 - 1.25 0 0 6 vf10 7. 0 - 7.0 0 0 - calculation - 1. input offset voltage (vio) ]v[ rs / rf + 1 vf1 vio = 2. input offset current (iio) ]a[ rs) / rf + (1 ri vf1-vf2 iio = 3. input bias current (ib) ]a[ rs) / rf + (1 ri2 vf3-vf4 ib = 4. large signal voltage gain (av) ] db [ vf6-vf5 rf/rs)+(1ek log 20 av = 5. common - mode rejection ration (cmrr) ] db [ vf7-vf8 rf/rs)+(1vicm log 20 cmrr = 6. power supply rejection ratio (psrr) ] db [ vf9-vf10 rf/rs)+(1vcc log 20 psrr = switch condition for test circ uit 2 sw no. sw1 sw2 sw3 sw4 sw5 sw6 sw7 sw8 sw9 sw10 sw 11 sw12 sw13 sw14 supply current off off off on off on off off off off off off off off maximum output voltage (high) off off on off off on off off on off off off on off maximum outpu t voltage (low) off off on off off on off off off off off off on off output source current off off on off off on off off off off off off off on output sink current off off on off off on off off off off off off off on slew rate off off off on off off off on on on off off off off gain bandwidth product off on off off on on off off on on off off off off equivalent input noise voltage on off off off on on off off off off on off off off figure 48. te s t circuit1 (one channel only) vf rl 0.1 f 500k 500k rf=50k rs=50 ri=10k ek null dut v sw1 sw2 vicm 1000pf sw3 vcc vee - 15v +15v ri=10k rs=50 50k 0.1 f http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 20/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx r2=100k r1=1k vcc vee vout1 =0.5vrms vin r1//r2 v vcc vee vout2 r2=100k r1//r2 r1=1k other ch figure 49. te s t circuit 2 (each op - amp ) vh vl input wave t input voltage vh vl t v output wave sr = v/t t output voltage figure 50. slew rate input waveform figure 51. test circuit 3(channel separation) (vcc=+ 2.5 v, vee= -2. 5v) 90% 1 0% cs 20 log 100 vou t1 vou t2 sw1 sw2 sw3 sw1 0 sw1 1 sw1 2 a vin - vin+ rl vcc vee sw 9 sw 6 sw 7 sw 8 cl sw1 3 sw1 4 a v vout rs sw5 sw4 v r1 r2 c http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 21/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx (b) derating curve power dissipation power dissipation(total loss) indicates the power that can be consumed by ic at ta=25 (normal temperature). ic is heated when it consumed power, and the temperature of ic chip becomes higher than ambient temperature. the temperature that can be accepted by ic chip depends on circuit configuration, manufacturing process, and consumable power is limited. power dissipation is determined by the temperature allowed in ic chip(maximum junction temperature) and thermal resistance of package(heat dissipation capability). the maximum junction temperature is typically equal to the maximum value in the storage temperature range. heat generated by consumed power of ic radiates from the mold resin or lead frame of the package. the parameter which indi cates this heat dissipation capability(hardness of heat release)is called thermal resistance, represented by the symbol ja /w.the temperature of ic inside the package can be estimated by this thermal resistance. figure 52 . (a) shows the model of thermal r esistance of the package. thermal resistance ja, ambient temperature ta, maximum junction temperature tj max , and power dissipation pd can be calculated by the equation below: ja = (tj max - ta) / pd /w ????? ( ) derating curve in figu re 52 . (b) indicates power that can be consumed by ic with reference to ambient temperature. power that can be consumed by ic with reference to ambient temperature. power that can be consumed by ic begins to attenuate at certain ambient temperature. this g r adient is determined by thermal resistance ja. thermal resistance ja depends on chip size, power consumption, package, ambient temperature, package condition, wind velocity, etc even when the same of package is used. thermal reduction curve indicates a reference value measured at a specified condition. figure 53 . (c),(d) show a derating curve for an example of ba 2107 , ba2115 . ( * 10 ) ( * 11 ) ( * 12 ) unit 5.4 6.2 4. 8 mw/ when using the unit above t a=25 , subtract the value above per degree . permissible dissipation is the value . permissible dissipation is the value when fr4 glass epoxy board 70mm 70mm 1.6mm (cooper foil area below 3%) is mounted. 0 200 400 600 800 1000 0 25 50 75 100 125 ambient temperature [ ] power dissipation [mw] 0 200 400 600 800 1000 0 25 50 75 100 125 ambient temperature [ ] power dissipation [mw] . figure 53. derating curve (a) thermal resistance figure 52. thermal resistance and derating curve ( c )ba 2107 ( d )ba 2115 0 50 75 100 125 150 25 p1 p2 pd (max) lsi M [w] ' ja2 ' ja1 tj ' (max) ja2 < ja1 ?? ta [ ] ja2 ja1 tj (max) power dissipation of lsi [w] ambien t temperature ta [ ] ba2115fvm ba2115f ba21 07g 780mw( * 11 ) 6 75 mw( * 10 ) 590mw( * 12) ?? ta [ ] ? ? tj [ ] M p [w] ambient temperature ta [ ] chip surface temperature tj [ ] power dissipation p [w] ja=(tjmax - ta)/pd /w ba2115f j 675 mw( * 10) http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 22/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx application example voltage follower inverting amplifier non - inverting amplifier figure 54. voltage follower circuit figure 55. inverting amplifier circuit figure 56. non - inverting amplifier circuit voltage gain is 0 db. this circuit controls output voltage (vout) equal input voltage (vin), and keeps vout with stable because of high input impedance and low output impedan ce. vout is shown next expression. vout=vin for inverting amplifier, vi(b) derating curve voltage gain decided r1 and r2, and phase reversed voltage is output. vout is shown next expression . vout= - (r2/r1) ? vin input impedance is r1. for non - inverting amplifier, vin is amplified by voltage gain decided r1 and r2, and phase is same with vin. vout is shown next expression . vout=(1 + r2/r1) ? vin this circuit performs high input impedance because input impedance is operational amplifier?s input impedance. v ee vout vin v cc r2 r1 v ee r1//r2 vin vout v cc v ee r2 vcc vin vout r1 http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 23/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx operational notes 1) processing of unused circuit it is recommended to apply connection (see the figure 57 . ) and set the no n inverting input terminal at the potential within input common - mode voltage range (vicm), for any unused circuit. 2) input voltage applying vee+14v to the input terminal is possible without causing deterioration of the electrical cha racteristics o r destruction, irrespective of the supply voltage. however, this does not ensure normal circuit operation. please note that the circuit operates normally only when th e input voltag e is within the common mode input voltage range of the electric characteristics. 3) maximum output voltage because the output voltage range becomes narrow as the output current increases, design the application with margin by considering changes in electrical characteristics and temperature characteristics. 4) short- circuit of output terminal when output term inal and vcc or vee terminal are shorted, excessive output current may flow under some conditions, and heating may destroy ic. it is necessary to connect a resistor as shown in figure 58 . , thereby protecting against load shorting. 5) power supply (split supply / single supply) in used op - amp operates when specified voltage is applied between vcc and vee. therefo r e, the single supply op - amp can be used for do uble supply op - amp as well. 6) power dissipation (pd) use a thermal design that allows for a sufficient margin in light of the power dissipation (pd) in actual operating conditions. 7) short- circuit between pins and wrong mounting pay attention to the assembly direction of the ics. wrong mounting direction or shorts between terminals, gnd, or other components on the circuits, can damage the ic. 8) use in strong electromagnetic field using the ics in strong electromagnetic field can cause operation malfunction. 9) radiation this ic is not designed to be radiation - resistant. 10) ic handling when st ress is applied to ic because of deflection or bend of boar d, the characteristic s may fluctuate due to piezo re sistance effect s. 11) inspection on set board during testing, turn on or off the power before mounting or dismounting the board from the test ji g. do not power up the board without waiting for the output capacitors to discharge. the capacitors in the low output impedance terminal can stress the device. pay attention to the electro static voltages during ic handling, transportation, and storage. 1 2) output capacitor when vcc terminal is shorted to v ee (gnd) potential and an electric charge has acc umulated on the external ca pacitor, connected to output terminal, accumulated charge may be discharged vcc terminal via the parasitic element within the ci rcuit or terminal pro tecti on element. the element in th e circ uit may be damaged (thermal destructio n). when usin g this ic fo r an application circuit where there is oscillation, output capacitor load does not occ ur, as when using th is ic as a voltage compa rator. set the capacitor connected to output terminal below 0.1f in order to prevent damage to ic. status of this document the japanese version of this document is formal specification. a customer may use this translation version only for a referen ce to help reading the formal version. if there are any differences in translation version of this document formal version takes priority. output short protection protection resistor vcc vee vicm - + vee vcc + - connect to vicm figure 58. the example of figure 57 . the example of application circuit for unused op - amp http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 24/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx physical dimensions tape and reel information http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 25/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx 0.95 2.4 1.0 0.6 0.95 marking diagrams product name package type marking ba2107 g ssop5 j0 ba2115 f sop8 2115 fj sop -j8 fvm msop8 land pattern data all dimensions in mm pkg land pitch e land space mie land length R? 2 land width b2 ssop5 0.95 2.4 1.0 0.6 sop 8 1.27 4.60 1.10 0.76 sop -j8 1.27 3.90 1.35 0.76 msop8 0.65 2.62 0.99 0.35 sop8(top view) part number marking lot number 1pin mark ssop5(top view) part number marking lot number msop8(top view) part number marking lot number 1pin mark sop - j8(top view) part number marking lot number 1pin mark b 2 mie e ?2 ssop5 sop8, sop - j8, msop8 http://
data s heet www.rohm.com tsz02201 - 0rar1g200090 -1-2 ? 201 2 rohm co., ltd. all rights reserved. 26/26 31.oct.2012 rev.001 tsz22111 ? 15 ? 00 ba 2107g, ba21 15x xx revision history date revision changes 2012.10.31 001 new release http://
datasheet d a t a s h e e t notice - ge rev.002 ? 2014 rohm co., ltd. all rights reserved. notice precaution on using rohm products 1. our products are designed and manufac tured for application in ordinary elec tronic equipments (such as av equipment, oa equipment, telecommunication equipment, home electroni c appliances, amusement equipment, etc.). if you intend to use our products in devices requiring ex tremely high reliability (such as medical equipment (note 1) , transport equipment, traffic equipment, aircraft/spacecra ft, nuclear power controllers, fuel c ontrollers, car equipment including car accessories, safety devices, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property (?specific applications?), please consult with the rohm sale s representative in advance. unless otherwise agreed in writing by rohm in advance, ro hm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ro hm?s products for specific applications. (note1) medical equipment classification of the specific applications japan usa eu china class class class b class class class 2. rohm designs and manufactures its products subject to strict quality control system. however, semiconductor products can fail or malfunction at a certain rate. please be sure to implement, at your own responsibilities, adequate safety measures including but not limited to fail-safe desi gn against the physical injury, damage to any property, which a failure or malfunction of our products may cause. the following are examples of safety measures: [a] installation of protection circuits or other protective devices to improve system safety [b] installation of redundant circuits to reduce the impact of single or multiple circuit failure 3. our products are designed and manufactured for use under standard conditions and not under any special or extraordinary environments or conditio ns, as exemplified below. accordin gly, rohm shall not be in any way responsible or liable for any damages, expenses or losses arising from the use of an y rohm?s products under any special or extraordinary environments or conditions. if you intend to use our products under any special or extraordinary environments or conditions (as exemplified bel ow), your independent verification and confirmation of product performance, reliability, etc, prior to use, must be necessary: [a] use of our products in any types of liquid, incl uding water, oils, chemicals, and organic solvents [b] use of our products outdoors or in places where the products are exposed to direct sunlight or dust [c] use of our products in places where the products ar e exposed to sea wind or corrosive gases, including cl 2 , h 2 s, nh 3 , so 2 , and no 2 [d] use of our products in places where the products are exposed to static electricity or electromagnetic waves [e] use of our products in proximity to heat-producing components, plastic cords, or other flammable items [f] sealing or coating our products with resin or other coating materials [g] use of our products without cleaning residue of flux (ev en if you use no-clean type fluxes, cleaning residue of flux is recommended); or washing our products by using water or water-soluble cleaning agents for cleaning residue after soldering [h] use of the products in places subject to dew condensation 4. the products are not subjec t to radiation-proof design. 5. please verify and confirm characteristics of the final or mounted products in using the products. 6. in particular, if a transient load (a large amount of load applied in a short per iod of time, such as pulse. is applied, confirmation of performance characteristics after on-boar d mounting is strongly recomm ended. avoid applying power exceeding normal rated power; exceeding the power rating under steady-state loading c ondition may negatively affect product performance and reliability. 7. de-rate power dissipation (pd) depending on ambient temper ature (ta). when used in seal ed area, confirm the actual ambient temperature. 8. confirm that operation temperat ure is within the specified range descr ibed in the product specification. 9. rohm shall not be in any way responsible or liable for fa ilure induced under deviant condi tion from what is defined in this document. precaution for mounting / circuit board design 1. when a highly active halogenous (chlori ne, bromine, etc.) flux is used, the resi due of flux may negatively affect product performance and reliability. 2. in principle, the reflow soldering method must be used; if flow soldering met hod is preferred, please consult with the rohm representative in advance. for details, please refer to rohm mounting specification http://
datasheet d a t a s h e e t notice - ge rev.002 ? 2014 rohm co., ltd. all rights reserved. precautions regarding application examples and external circuits 1. if change is made to the constant of an external circuit, pl ease allow a sufficient margin c onsidering variations of the characteristics of the products and external components, including transient characteri stics, as well as static characteristics. 2. you agree that application notes, re ference designs, and associated data and in formation contained in this document are presented only as guidance for products use. theref ore, in case you use such information, you are solely responsible for it and you must exercise your own independent verification and judgment in the use of such information contained in this document. rohm shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of such information. precaution for electrostatic this product is electrostatic sensitive product, which may be damaged due to electrostatic discharge. please take proper caution in your manufacturing process and storage so that voltage exceeding t he products maximum rating will not be applied to products. please take special care under dry condit ion (e.g. grounding of human body / equipment / solder iron, isolation from charged objects, se tting of ionizer, friction prevention and temperature / humidity control). precaution for storage / transportation 1. product performance and soldered connections may deteriora te if the products are stor ed in the places where: [a] the products are exposed to sea winds or corros ive gases, including cl2, h2s, nh3, so2, and no2 [b] the temperature or humidity exceeds those recommended by rohm [c] the products are exposed to di rect sunshine or condensation [d] the products are exposed to high electrostatic 2. even under rohm recommended storage c ondition, solderability of products out of recommended storage time period may be degraded. it is strongly recommended to confirm sol derability before using products of which storage time is exceeding the recommended storage time period. 3. store / transport cartons in the co rrect direction, which is indicated on a carton with a symbol. otherwise bent leads may occur due to excessive stress applied when dropping of a carton. 4. use products within the specified time after opening a hum idity barrier bag. baking is required before using products of which storage time is exceeding the recommended storage time period. precaution for product label qr code printed on rohm products label is for rohm?s internal use only. precaution for disposition when disposing products please dispose them proper ly using an authorized industry waste company. precaution for foreign exchange and foreign trade act since our products might fall under cont rolled goods prescribed by the applicable foreign exchange and foreign trade act, please consult with rohm representative in case of export. precaution regarding intellectual property rights 1. all information and data including but not limited to application example contain ed in this document is for reference only. rohm does not warrant that foregoi ng information or data will not infringe any intellectual property rights or any other rights of any third party regarding such information or data. rohm shall not be in any way responsible or liable for infringement of any intellectual property rights or ot her damages arising from use of such information or data.: 2. no license, expressly or implied, is granted hereby under any intellectual property rights or other rights of rohm or any third parties with respect to the information contained in this document. other precaution 1. this document may not be reprinted or reproduced, in whol e or in part, without prior written consent of rohm. 2. the products may not be disassembled, converted, modified, reproduced or otherwise changed without prior written consent of rohm. 3. in no event shall you use in any wa y whatsoever the products and the related technical information contained in the products or this document for any military purposes, incl uding but not limited to, the development of mass-destruction weapons. 4. the proper names of companies or products described in this document are trademarks or registered trademarks of rohm, its affiliated companies or third parties. http://
datasheet datasheet notice ? we rev.001 ? 2014 rohm co., ltd. all rights reserved. general precaution 1. before you use our pro ducts, you are requested to care fully read this document and fully understand its contents. rohm shall n ot be in an y way responsible or liabl e for fa ilure, malfunction or acci dent arising from the use of a ny rohms products against warning, caution or note contained in this document. 2. all information contained in this docume nt is current as of the issuing date and subj ec t to change without any prior notice. before purchasing or using rohms products, please confirm the la test information with a rohm sale s representative. 3. the information contained in this doc ument is provi ded on an as is basis and rohm does not warrant that all information contained in this document is accurate an d/or error-free. rohm shall not be in an y way responsible or liable for an y damages, expenses or losses incurred b y you or third parties resulting from inaccur acy or errors of or concerning such information. http://

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