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1/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. operational amplifiers / comparators high speed with high voltage operational amplifiers ba3472f,ba3472fv,ba 3472fvm,BA3472RFVM ba3474f,ba3474fv,ba3474rfv description general-purpose ba3472 / ba3474 family integrate two/four indepe ndent op-amps and phase compensation capacitors on a single chip and have some features of high-gain, low power consumpt ion, and wide operating voltage range of +3[v] ~ +36[v](single power supply). especially, characteristics are high slew rate (10v/ s) and high maximum frequency (4mhz). features 1) operable with a single power supply 2) wide operating supply voltage +3.0 [v] ~ +36.0 [v] (single supply) 1.5 [v] ~ 18.0 [v] (split supply) 3) standard op-amp. pin-assignments 4) internal phase compensation 5) high slew rate: 10[v/s] 6) maximum frequency: 4[mhz] 7) high open loop voltage gain 8) internal esd protection human body model (hbm) 5000 [v] (typ.) 9) operable low input voltage around gnd level 10) wide output voltage range vee+0.3[v] ~ vcc-1.0[v](typ.) with vcc-vee=30[v] pin assignment vqfn16 no.11049ebt17 high speed dual quad ba3472f/fv/fvm (BA3472RFVM operation guaranteed up to +105 ) ba3474f/fv (ba3474rfv operation guaranteed up to +105 ) sop8 ssop-b8 msop8 sop14 ssop-b14 ba 3472f ba3472fv ba3472fvm BA3472RFVM ba3474f ba3474fv ba3474rfv 4 5 3 6 2 7 1 8 ch1 - + ch2 + - out1 -in1 +in1 vee out2 -in2 +in2 vcc 7 8 6 9 51 0 4 11 3 12 2 13 1 14 ch4 + - ch1 - + out1 -in1 +in1 vcc out3 +in3 -in3 vee ch2 - + + - ch3 out4 -in4 +in4 out2 +in2 -in2
technical note 2/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv ? ? ? ? ? ? R ? ?
technical note 3/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv ? ? ? ? ? ? R ? ?
technical note 4/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv g ? ? ? ? ? ? R ? ?
technical note 5/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv ? ? ? ? ? ? R ? ?
technical note 6/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv fig.1 ?`???` fig.2 ??R fig.3 ? fig.4 high ??R-??R rl=10[k] fig.5 high ??R-? rl=10[k] fig.6 low ??R-??R rl=10[k] fig.7 low ??R-? (rl=10[k]) fig.8 `-vcc-vout?R (vcc/vee=5[v]/0[v]) fig.9 -vout-vee?R (vcc/vee=5[v]/0[v]) fig.10 ???R-??R (vcc/vee=15[v]/-15[v]) fig.11 ???R-??R fig.12 ???R-? ba3472 ?? ?R ba3472 ?? ba3472 ?? ?R ba3472 ?? ba3472 ?? ba3472 ?? ba3472 ?? ba3472 ?? ba3472 ?? ba3472 ?? ba3472 ?? 010203040 ba3472 ?? 0 200 400 600 800 1000 0 25 50 75 100 125 ambient temperature[] power dissipation[mw] ? ? ? ?
technical note 7/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv -100 -80 -60 -40 -20 0 20 40 60 80 100 0.00.51.01.52.02.5 time[ ba3472 ?? ba3472 ?? ba3472 ?? 36v 30v 15v 5v 3v ba3472 ?? -40 25 85 ba3472 ?? ba3472 ?? -40 25 85 ba3472 ?? ba3472 ?? ba3472 ?? fig.18 ????-? fig.14 -? fig.15 ?R-??R fig.16 ?R-? fig.17 ????-??R fig.19 ``(l-h)-??R rl=10[k] fig.13 -??R fig.20 ``(l-h)-? rl=10[k] fig.21 ?R-? (vcc/vee=+15[v]/-15[v],av=40[db] rl=2[k],cl=100[pf],ta=25[]) fig.22 ?? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) ba3472 ?? ba3472 ?? fig.23 ? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) ? ? ? ? ?
technical note 8/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv -5 -4 -3 -2 -1 0 1 2 3 4 5 -20 -15 -10 -5 0 5 10 15 common mode input voltage[v] input offset voltage[mv] 0 5 10 15 20 25 30 35 40 0 10203040 supply voltage[v] output voltage[v] 0 5 10 15 20 25 30 35 40 -50 -25 0 25 50 75 100 ambient temperature [ 0 10203040 fig.24 ?`???` fig.25 ??R fig.26 ? fig.27 high ??R-??R rl=10[k] fig.28 high ??R-? rl=10[k] fig.29 low ??R-??R rl=10[k] fig.30 low ??R-? (rl=10[k]) fig.31 `-vcc-vout?R (vcc/vee=5[v]/0[v]) fig.32 -vout-vee?R (vcc/vee=5[v]/0[v]) fig.33 ???R-??R (vcc/vee=15[v]/-15[v]) fig.34 ???R-??R fig.35 ???R-? ?R ?R ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? 0 200 400 600 800 1000 0 25 50 75 100 125 ambient temperature[] power dissipation[mw] ba3474 ?? ? ? ? - ?
technical note 9/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv 36v 30v 15v 5v 3v -40 25 85 -40 25 85 fig.41 ????-? fig.37 -? fig.38 ?R-??R fig.39 ?R-? fig.40 ????-??R fig.42 ``(l-h)-??R rl=10[k] fig.36 -??R fig.43 ``(l-h)-? rl=10[k] fig.44 ?R-? (vcc/vee=+15[v]/-15[v],av=40[db] rl=2[k],cl=100[pf],ta=25[]) fig.45 ?? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) fig.46 ? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ba3474 ?? ? ? ? ? ?
technical note 10/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv fig.47 ?`???` fig.48 ??R fig.49 ? fig.50 high ??R-??R rl=10[k] fig.51 high ??R-? rl=10[k] fig.52 low ??R-??R rl=10[k] fig.53 low ??R-? (rl=10[k]) fig.54 `-vcc-vout?R (vcc/vee=5[v]/0[v]) fig.55 -vout-vee?R (vcc/vee=5[v]/0[v]) fig.56 ???R-??R (vcc/vee=15[v]/-15[v]) fig.57 ???R-??R fig.58 ???R-? ba3472r ?? ?R ba3472r ?? ba3472r ?? ?R ba3472r ?? ba3472r ?? ba3472r ?? ba3472r ?? ba3472r ?? ba3472r ?? ba3472r ?? ba3472r ?? 0 10203040 ba3472r ?? 0 200 400 600 800 0255075100125 ambient temperature[] power dissipation[mw] ? ? ? ?
technical note 11/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv -100 -80 -60 -40 -20 0 20 40 60 80 100 0.0 0.5 1.0 1.5 2.0 2.5 time[ ba3472r ?? frequency[khz] ba3472r ?? ba3472r ?? 36v 30v 15v 5v 3v ba3472r ?? -40 25 105 ba3472r ?? ba3472r ?? -40 25 105 ba3472r ?? ba3472r ?? ba3472r ?? fig.64 ????-? fig.60 -? fig.61 ?R-??R fig.62 ?R-? fig.63 ????-??R fig.65 ``(l-h)-??R rl=10[k] fig.59 -??R fig.66 ``(l-h)-? rl=10[k] fig.67 ?R-? (vcc/vee=+15[v]/-15[v],av=40[db] rl=2[k],cl=100[pf],ta=25[]) fig.68 ?? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) ba3472r ?? ba3472r ?? fig.69 ? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) ? ? ? ? ?
technical note 12/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv 0.0 0.2 0.4 0.6 0.8 1.0 -50 -25 0 25 50 75 100 125 ambient temperature [ fig.69 ?`???` fig.70 ??R fig.71 ? fig.72 high ??R-??R rl=10[k] fig.73 high ??R-? rl=10[k] fig.74 low ??R-??R rl=10[k] fig.75 low ??R-? (rl=10[k]) fig.76 `-vcc-vout?R (vcc/vee=5[v]/0[v]) fig.77 -vout-vee?R (vcc/vee=5[v]/0[v]) fig.78 ???R-??R (vcc/vee=15[v]/-15[v]) fig.79 ???R-??R fig.80 ???R-? S S S ?R ?R 0 10203040 ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? 0 200 400 600 800 1000 0 25 50 75 100 125 ambient temperature[] power dissipation[mw] ? ? ? - ?
technical note 13/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv -100 -80 -60 -40 -20 0 20 40 60 80 100 0.0 0.5 1.0 1.5 2.0 2.5 time[ 36v 30v 15v 5v 3v -40 25 105 -40 25 105 fig.86 ????-? fig.82 -? fig.83 ?R-??R fig.84 ?R-? fig.85 ????-??R fig.87 ``(l-h)-??R rl=10[k] fig.81 -??R fig.88 ``(l-h)-? rl=10[k] fig.89 ?R-? (vcc/vee=+15[v]/-15[v],av=40[db] rl=2[k],cl=100[pf],ta=25[]) fig.90 ?? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) fig.91 ? (vcc/vee=+15[v]/-15[v],av=0[db] rl=2[k],cl=100[pf],ta=25[]) ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? ba3474r ?? - ? ? ? - ? ?
technical note 14/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv
technical note 15/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv ?R rg ?R ?R rg ?R
technical note 16/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv
technical note 17/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv ????? ?? ? ? M p [w] ` M ?? ?? S?p? ?? S?p? ?? S?p? ?? S?p? g g
technical note 18/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv maximum output voltage (vom) 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. 2.6 large signal voltage gain (av) the amplifying rate (gain) of the output voltage against the voltage differenc e between non-inverting and inverting terminals, it is (normally) the amplifying rate (gain) with re spect to dc voltage. av = (output voltage fluctuation) / (input offset fluctuation) 2.7 input common-mode voltage range (vicm) indicates the input voltage range un der which the ic operates normally. 2.8 common-mode rejection ratio (cmrr) signifies the ratio of fluctuation of the input offset voltage when the in-phase in put voltage is changed (dc fluctuation). cmrr = (change in input common-mode volt age) / (input offset fluctuation) 2.9 power supply rejection ratio (psrr) denotes the ratio of fluctuation of the input offset voltage when supply voltage is changed (dc fluctuation). svr = (change in power supply voltage) / (input offset fluctuation) 2.10 channel separation (cs) expresses the amount of fluctuation of the input offset voltage or output volt age with respect to the change in the output voltage of a driven channel. 2.11 slew rate (sr) indicates the time fluctuation ratio of the output voltage when an input step signal is supplied. 2.12 maximum frequency (ft) indicates a frequency where the voltage gain of op-amp is 1. 2.13 total harmonic distortion + noise (thd+n) indicates the fluctuation of input offset voltage or that of ou tput voltage with reference to the change of output voltage of driven channel. 2.14 input referred noise voltage (vn) indicates a noise voltage generated inside the operational amplifier equivalent by ideal voltage source connected in series with input terminal.
technical note 19/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv ? ? ? ? ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2500pcs e2 () direction of feed reel 1pin (unit : mm) sop8 0.90.15 0.3min 4 + 6 ? 4 0.17 +0.1 - 0.05 0.595 6 43 8 2 5 1 7 5.00.2 6.20.3 4.40.2 (max 5.35 include burr) 1.27 0.11 0.420.1 1.50.1 s 0.1 s (unit : mm) sop14 7 14 1.27 0.11 1 8 0.3min 8.7 0.2 0.4 0.1 0.15 0.1 1.5 0.1 6.2 0.3 4.4 0.2 (max 9.05 include burr) 0.1 ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2500pcs e2 () direction of feed reel 1pin ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2500pcs e2 () direction of feed reel 1pin (unit : mm) ssop-b8 0.08 m 1234 5678 0.1 0.22 0.10 0.3min 0.65 (0.52) 3.0 0.2 0.15 0.1 6.4 0.3 1.15 0.1 4.4 0.2 (max 3.35 include burr) s 0.1
technical note 20/20 www.rohm.com 2011.08 - rev.b ? 2011 rohm co., ltd. all rights reserved. ba3472f,ba3472fv,ba3472fvm,BA3472RFVM, ba3474f,ba3474fv,ba3474rfv direction of feed reel ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper right when you hold reel on the left hand and you pull out the tape on the right hand 3000pcs tr () 1pin (unit : mm) msop8 0.08 s s 4.00.2 8 3 2.80.1 1 6 2.90.1 0.475 4 57 (max 3.25 include burr) 2 1pin mark 0.9max 0.750.05 0.65 0.080.05 0.22 +0.05 ?0.04 0.60.2 0.290.15 0.145 +0.05 ?0.03 4 + 6 ?4 ? order quantity needs to be multiple of the minimum quantity. embossed carrier tape tape quantity direction of feed the direction is the 1pin of product is at the upper left when you hold reel on the left hand and you pull out the tape on the right hand 2500pcs e2 () direction of feed reel 1pin (unit : mm) ssop-b14 8 7 14 1 0.10 6.4 0.3 4.4 0.2 5.0 0.2 0.22 0.1 1.15 0.1 0.65 0.15 0.1 0.3min. 0.1
r1120 a www.rohm.com ? 2011 rohm co., ltd. all rights reserved. notice rohm customer support system http://www.rohm.com/contact/ thank you for your accessing to rohm product informations. more detail product informations and catalogs are available, please contact us. notes no copying or reproduction of this document, in part or in whole, is permitted without the consent of rohm co.,ltd. the content specied herein is subject to change for improvement without notice. the content specied herein is for the purpose of introducing rohm's products (hereinafter "products"). if you wish to use any such product, please be sure to refer to the specications, which can be obtained from rohm upon request. examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the products. the peripheral conditions must be taken into account when designing circuits for mass production. great care was taken in ensuring the accuracy of the information specied in this document. however, should you incur any damage arising from any inaccuracy or misprint of such information, rohm shall bear no responsibility for such damage. the technical information specied herein is intended only to show the typical functions of and examples of application circuits for the produc ts. rohm does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by rohm and other parties. rohm shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. the products specied in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, ofce-automation equipment, commu- nication devices, electronic appliances and amusement devices). the products specied in this document are not designed to be radiation tolerant. while rohm always makes efforts to enhance the quality and reliability of its products, a product may fail or malfunction for a variety of reasons. please be sure to implement in your equipment using the products safety measures to guard against the possibility of physical injury, re or any other damage caused in the event of the failure of any product, such as derating, redundancy, re control and fail-safe designs. rohm shall bear no responsibility whatsoever for your use of any product outside of the prescribed scope or not in accordance with the instruction manual. the products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuel- controller or other safety device). rohm shall bear no responsibility in any way for use of any of the products for the above special purposes. if a product is intended to be used for any such special purpose, please contact a rohm sales representative before purchasing. if you intend to export or ship overseas any product or technology specied herein that may be controlled under the foreign exchange and the foreign trade law, you will be required to obtain a license or permit under the law.

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