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1/17 www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. sound processors for home theater systems 6.1ch sound processor bd3816k1,bd3817ks description the bd3816k1 and bd3817ks are 6.1ch sound processors. functions required for applications, such as av receivers and home theater systems, are integr ated into a single chip. a wide dynamic r ange of 132db is achieved by utilizing the bicmos process. features 1) dynamic range: 132db (volume direct mode, vol=mute, ihf-a) 2) independent 7 channels for master volume (0 to -95 db, mute 1db/step) 3) supporting 2 nd room entertainment/2 nd source recording. 4) low current consumption design achi eved by adopting the bi-cmos process. 5) maximum output voltage: 4. 2vrms (vcc=7v, vee=-7v, rl=10k ? ). 6) built-in input gain amp useful for amplifying input signals (0-7db, 1db/step). 7) built-in output gain amp useful for adj usting output signal voltages (0-17db, 1db/step) 8) built-in mixing circuit for distributing the output signals from center and subwoofer channel to front r/l channels (0, -3, -4.5db). 9) 2ch volume control bd3812f or 6ch function switch bd3843fs can be controlled simultaneously by the serial control bus. 10) rec a output terminal with a rec input/outpu t switch useful for monitoring equalizer amp. (for bd3816k1, available as an in put function of the seventh line.) 11) output mute controlled by either serial data or an external control terminal. 12) 2-wire serial control (for both 3.3v and 5v) applications av receivers, home theater s ystems, and mini-audio systems. line up matrix parameter bd3816k1 bd3817ks number of input selectors 6(+1) inputs routa terminal: available as an input selector of the seventh line 10 inputs, 2 outputs input gain 0 ~ 7db 1db/step 0 ~ 7db 1db/step volume 0 ~ -95db 1db/step 7ch 0 ~ -95db 1db/step 7ch bass, treble 14db 2db/step 14db 2db/step output gain 0 ~ 17db 1db/step 0 ~ 17db 1db/step mixing yes yes package qfp80 sqfp100 no.10081eat06
2/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note absolute maximum ratings (ta=25 ) parameter symbol ratings unit power supply voltage v cc 7.5 *1 v v ee -7.5 power dissipation pd 1200 (bd3816k1) *2 mw 1300 (bd3817ks) operating temperature range topr -20 ~ +75 storage temperature range tstg -55 ~ +125 *1 even in the specified range of power supply voltage, applying voltage only to the vcc side may cause an excessive current to give a permanent damage to the ic. when starting up power supplies, vee and vcc should be powered on simultaneously or vee first; then followed by vcc. *2 reduced by 12 mw/ over 25 (bd3816k1), when installed on the standard board (size: 70x70x1.6mm). reduced by 13 mw/ over 25 (bd3817ks), when installed on the standard board (size: 70x70x1.6mm) operating conditions must function normally at ta=25 ?c. parameter symbol ratings unit min. typ. max. operating source voltage v cc 5.0 7.0 7.3 v v ee -7.3 -7.0 -5.0 electrical characteristics ta = 2 5 , v cc =7v, f=1khz, vin=1vrms, rl=10k ? , rg=600 ? , input gain=0db, volume=0db, output gain=0db, bass=0db, treble=0db, mixing c/sw=off, unless otherwise noted. parameter symbol limits unit conditions min. typ. max. circuit current vcc iq 24 40 ma no signal vee -40 -24 output voltage gain gv -2 0 2 db total harmonic distortion ratio thd 0.001 0.03 % bw=400hz-30khz maximum output voltage vomax 3.6 4.2 vrms thd=1% output noise voltage vno 2.0 12 vrms rg=0 , bw=ihf-a (output gain on, tone on) 1.5 8 vrms rg=0 , bw=ihf-a (output gain on, tone off) 1.2 8 vrms rg=0 , bw=ihf-a (*om=volume direct) cross-talk between channels ctc -95 -80 db rg=0 , bw=ihf-a cross-talk between selectors cts -95 -80 db rg=0 , bw=ihf-a volume output voltage gvv -2 0 2 db volume total harmonic distortion ratio thdv 0.001 0.03 % bw=400hz-30khz volume output noise voltage vnov 1.2 8 vrms rg=0 , bw=ihf-a
3/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note parameter symbol limits unit conditions min. typ. max. volume control range vol -97.5 -95 -92.5 db vin=3vrms *om=volume direct volume setting error 1 vole1 -1.5 0 1.5 db 0 to -53db, vin=3vrms *om=volume direct volume setting error 2 vole2 -2.5 0 2.5 db -54db to -95db, vin=3vrms *om=volume direct maximum attenuation volmin -115 -105 db vin=3vrms, bw=ihf-a *om=volume direct treble maximum boost gain gtb 12 14 16 db f=15khz, vin=0.4vrms treble maximum cut gain gtc -16 -14 -12 db f=15khz, vin=0.4vrms treble step resolution tr 2 db f=15khz, vin=0.4vrms treble gain setting error te -2 0 2 db f=15khz, vin=0.4vrms bass maximum boost gain gbb 12 14 16 db f=100hz, vin=0.4vrms bass maximum cut gain gbc -16 -14 -12 db f=100hz, vin=0.4vrms bass step resolution br 2 db f=100hz, vin=0.4vrms bass gain setting error be -2 0 2 db f=100hz, vin=0.4vrms c mixing gain control range gmcg -6.5 -4.5 -2.5 db *om=volume direct c mixing gain setting error gmce -2 0 2 db *om=volume direct sw mixing gain control range gmsw g -6.5 -4.5 -2.5 db *om=volume direct sw mixing gain setti ng error gmswe -2 0 2 db *om=volume direct input gain control range gig 5 7 9 db vin=0.4vrms *om=volume direct input gain setting error gie -2 0 2 db vin=0.4vrms *om=volume direct output gain control range gog 15 17 19 db vin=0.4vrms *om=output gain on(tone off) output gain setting error goe -2 0 2 db vin=0.4vrms *om=output gain on(tone off) rout output impedance routr 20 100 rout voltage gain gvr -2 0 2 db rl=47k rout total harmonic distortion ratio thdr 0.005 0.09 % rl=47k , bw=400hz-30khz * om:output mode * note: this ic is not designed to be radiation-resistant.
4/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note timing chart 1) signal timing conditions ? data is read on the rising edge of the clock. ? latch is read out on the fa lling edge of the clock. ? latch signal must terminate with the low state. * to avoid malfunctions, clock and data signals must terminate with the low state. 1byte=17bit fig. 1 parameter symbol limits unit min. typ. max. minimum clock width twc 1.0 s minimum data width twd 1.0 s minimum latch width twl 1.0 s low hold width twh 1.0 s data set-up time (data ? clk) tsd 0.5 s data hold time (clk ? data) thd 0.5 s latch set-up time (clk ? latch) tsl 0.5 s latch hold time (data ? latch) thl 0.5 s latch low set-up time ts 0.5 s latch low hold time th 0.5 s 2) voltage conditions for control signals parameter condition limits unit min. typ. max. ( Q vcc) ?h? input voltage vcc=5 ~ 7.3v v ee =-5 ~ -7.3v 2.2 5.5 v ?l? input voltage 0 1.0 v cl clock da data latch thd thd th ts tsl thl tsd twc twh twd twl tsu data data latch 90% 90% 90% 90% 10% 10% 10% 90% 90% 90% 90% 90% 10% 10% 10% twc terminate with low
5/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note 3) control data format list data input direction msb lsb data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 data select address (1)bd3816k1 control data formats select address data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 frl select 6.1ch select input select 0 0 0 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 rec a mode select rec b rec c output mode select 0 0 1 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 treble bass mixing cch mixing swch 1 0 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 input gain frlch input gain srlch input gain cch input gain cbch 1 1 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain swch input gain swch 0 0 0 1 data d16 d15 d14 d13 d12 d11 d0 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain frch master volume and output gain flch 0 1 0 data d16 d15 d14 d13 d12 d11 d0 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain srch master volume and output gain slch 0 1 1 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain cch master volume and output gain cbch 1 0 1 ? by changing select address, eight different control formats are selectable. for select address, the valu es, except for those shown above, must not be specified. ? at power-on sequence, initialize all data. (example) data input direction msb lsb msb lsb msb lsb msb lsb msb lsb msb lsb msb lsb msb lsb data l data ldata l data ldata ldata l data l data l ?l? means latch. ? after power-on, for the second and subsequent times, only the necessary data can be selected for setting. example: when changing the input gain in the example: data input direction msb lsb data l ?l? means latch.
6/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note (2)bd3817k1 control data formats select address data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 frl select 6.1ch select input select1 input select2 0 0 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 rec a mode select rec b rec c output mode select 0 0 1 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 treble bass mixing cch mixing swch 1 0 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 input gain frlch input gain srlch input gain cch input gain cbch 1 1 0 0 0 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain swch input gain swch 0 0 0 1 data d16 d15 d14 d13 d12 d11 d0 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain frch master volume and output gain flch 0 1 0 data d16 d15 d14 d13 d12 d11 d0 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain srch master volume and output gain slch 0 1 1 data d16 d15 d14 d13 d12 d11 d10 d9 d8 d7 d6 d5 d4 d3 d2 d1 d0 master volume and output gain cch master volume and output gain cbch 1 0 1 ? by changing select address, eight different control formats are selectable. for select address, the valu es, except for those shown above, must not be specified. ? at power-on sequence, initialize all data. example: data input direction msb lsb msb lsb msb lsb msb lsb msb lsb msb lsb msb lsb msb lsb data l data ldata l data ldata ldata l data l data l ?l? means latch. ? after power-on, for the second and subsequent times, only the necessary data can be selected for setting. example: when changing the input gain in the example: data input direction msb lsb data l ?l? means latch.
7/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note block diagram, application circuit 1) bd3816k1 unit resistance capacitor:f fig. 2 25 26 27 28 29 30 31 32 36 35 33 34 37 38 39 40 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 80 79 78 77 76 75 74 73 69 70 72 71 68 67 66 65 logic treble rec c rec b rec a v cc v ee frl select 6.1ch select input select bass master volume output mode select + + ing sw + + + + + 4700p 4700p + + + agnd r cd l r md/dat l r l r l r l r l tape tuner video phono agnd fr fl c sr sl cb sw out 1 out 2 agnd agnd fr fl sr sl cb sw c agnd 10 10 agnd 10 10 10 agnd outsw agnd outcb outsl outsr outc outfl outfr agnd agnd thgnd mute cl da agn d vee vcc agnd r r r l l l md/dat tape video agnd 0.1 4.7k 0.1 0.1 4.7k 0.1 10 10 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47k 47 k 47 k 47 k 47 k 47 k 47 k 47 k dvd 470k dsp 47 47 470k 470k 470k 470k 470k + + + 10 10 to dsp
8/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note 2) bd3817ks un sistance capacitor:f fig. 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 37 38 42 41 39 40 43 44 45 46 31 32 36 35 33 34 50 4948 47 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 94 93 89 90 92 91 88 87 86 85 100 99 95 96 98 97 81 82 83 84 logic treble r e c c r e c b r e c a v cc v ee frl select bass master volume output mode select + + 6.1ch select input select2 input select1 agnd agnd r cd l r md l 47k 47k 47k 47k r dat l 47k 47k r l r l 47k 47k 47k 47k r l 47k 47k r l 47k 47k tape tuner video1 video2 o u t 1 o u t 2 agnd nc outsr outc outfl outfr 4.7k 4.7k 4700p 4700p agnd + + r l r l r a g n d r l 47k 47k r l 47k 47k r l 47k 47k phono video3 aux 47k 47k 47k 47k 47k 47k 47k fr fl c sr sl cb sw dvd + + 1 0 1 0 + agnd nc outsw agnd outcb outsl agnd a g n d to dsp2 video l tape 100k 100k 100k 100k 100k 100k ma/dat agnd vcc vee agnd nc 47 47 da cl mute thgnd +10 +10 0.1 0.1 0.1 0.1 +10 +10 +10 +10 nc nc nc 47k nc nc 47k 47k 47k 47k 47k 47k 10 agnd agnd agnd agnd aout1 aout2 to dsp dsp fr fl c sr sl cb sw
9/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note equivalent circuit bd3816k1 bd3817ks pin no. pin name pin no. pin name pin voltage equivalent circuit description 1 14 22 25 33 36 45 47 52 61 70 73 80 agnd1 agnd2 agnd3 agnd4 agnd5 agnd6 agnd7 agnd8 agnd9 agnd10 agnd11 agnd12 agnd13 1 2 23 31 35 46 50 59 62 67 77 86 90 97 100 agnd1 agnd2 agnd3 agnd4 agnd5 agnd6 agnd7 agnd8 agnd9 agnd10 agnd11 agnd12 agnd13 agnd14 agnd15 0 ground pins 2 3 4 5 6 7 8 9 10 11 12 13 ina1 ina2 inb1 inb2 inc1 inc2 ind1 ind2 ine1 ine2 inf1 inf2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 ina1 ina2 inb1 inb2 inc1 inc2 ind1 ind2 ine1 ine2 inf1 inf2 ing1 ing2 inh1 inh2 ini1 ini2 inj1 inj2 0 vcc vee signal input pins; the recommended input impedance value is 47k : , provided by an external resistance. 15 16 17 18 19 20 21 26 27 28 29 30 31 32 indvdfr indvdfl indvdc indvdsr indvdsl indvdcb indvdsw indspfr indspfl indspc indspsr indspsl indspcb indspsw 24 25 26 27 28 29 30 38 39 40 41 42 43 44 indvdfr indvdfl indvdc indvdsr indvdsl indvdcb indvdsw indspfr indspfl indspc indspsr indspsl indspcb indspsw 0 vcc vee signal input pins; the recommended input impedance value is 47k : , provided by an external resistance.
10/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note bd3816k1 bd3817ks pin no. pin name pin no. pin name pin voltage equivalent circuit description 23 24 46 48 49 50 51 53 54 out1 out2 outsw outcb outsl outsr outc outfl outfr 32 33 61 63 64 65 66 68 70 aout1 aout2 outsw outcb outsl outsr outc outfl outfr 0 vc c ve e signal output pins 34 37 39 41 43 63 65 goutsw goutcb goutsl goutsr goutc goutfl goutfr 48 51 53 55 57 79 81 goutsw goutcb goutsl goutsr goutc goutfl goutfr 0 vc c ve e signal output from input gain pins 35 38 40 42 44 62 64 vinsw vincb vinsl vinsr vinc vinfl vinfr 49 52 54 56 58 78 80 vinsw vincb vinsl vinsr vinc vinfl vinfr 0 vc c ve e signal input to master volume pins, input impedance: 20k ? (at typ.) 55 57 bnfb2 bnfb1 71 73 bnfb2 bnfb1 0 vcc vee bass frequency characteristic and gain setting pins
11/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note bd3816k1 bd3817ks pin no. pin name pin no. pin name pin voltage equivalent circuit description 56 58 bnfa2 bnfa1 72 74 bnfa2 bnfa1 0 vcc vee bass frequency characteristic and gain setting pins 59 60 tnf2 tnf1 75 76 tnf2 tnf1 0 vcc vee treble frequency characteristic and gain setting pins 66 thgnd 82 thgnd 0 ground pin for comparator 67 mute 83 mute vcc vee 200k external mute pin 68 cl 84 cl vcc vee serial clock input pin
12/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note bd3816k1 bd3817ks pin no. pin name pin no. pin name pin voltage equivalent circuit description 69 da da vcc vee serial data input pin 71 vee vee negative power supply pin 72 vcc vcc positive power supply pin 74 75 routa1 routa2 routa1 routa2 0 vcc vee input/output for rec pins 76 77 78 79 routb1 routb2 routc1 routc2 routb1 routb2 routc1 routc2 0 vcc vee signal output for rec pins 98 99 out1 out2 0 vcc vee signal output pins
13/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note setting constants for tone control filters 1) treble filter standard values of r1, r2 (reference) treble boost amount cut amount resistance (k ? ) *typ. r1 r2 0db 0 20 2db 4.1 15.9 4db 7.3 12.7 6db 10.3 9.7 8db 12.3 7.7 10db 14.0 6.0 12db 15.4 4.6 14db 16.5 3.5 *the actual boost /cut amount may deviate from the standard values in some degree. r2 in pin 75,76 out c + - r1 1 fc= (hz) 2 r2c r1+r2+zc g = 20log (db) r2+zc 1 zc= ( ) j c fig. 5 g f fc g 3db g 3db
14/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note 2) bass filter standard values of r2, r3 (reference) (r1=4.7k ,c1=c2=0.1f) boost amount cut amount resistance (k ? ) *typ. r2 r3 0db 0 39.5 2db 10.3 29.2 4db 18.4 21.1 6db 24.8 14.7 8db 29.9 9.6 10db 33.8 5.7 12db 36.9 2.6 14db 39.5 0 *the actual boost/cut amounts may deviate from the standard values in some degree. c1 c2 r3 r2 in r1 + - pin72,74 pin71,73 fig. 6 r1 c1c2r2 c2c1 1 q (hz) r3)c1c2 r1(r2 2 1 fo = + = ?+ when c1=c2 (db) 2 r1 r3 2 r1 r3r2 20log g ?+ + ?+ fig. 7 * bass filter feature to be able to set the f0 and q factors of bass characteristics to desired values, part of the bass filter is constructed of the external components, shown in fig.6 g f fo g g
15/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note -25 -20 -15 -10 -5 0 5 10 15 20 25 02 46 810 vcc,vee(v) circuit current (ma) 0.0001 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 input voltage(vrms) thd+n(%) -2 0 2 4 6 8 10 100 1000 10000 100000 frequency(hz) gain(db) -2 0 2 4 6 8 10 12 14 16 18 10 100 1000 10000 100000 frequency(hz) gain(db) 0.0 1.0 2.0 3.0 4.0 5.0 0246810 vcc,vee(v) noise( vrms) -20 -15 -10 -5 0 5 10 15 20 10 100 1000 10000 100000 frequency(hz) gain(db) 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 input voltage(vrms) output voltage(vrms) -20 -15 -10 -5 0 5 10 15 20 10 100 1000 10000 100000 frequency(hz) gain(db) 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 input voltage(vrms) output voltage(vrms) reference data -2 -1 0 1 2 10 100 1000 10000 100000 frequency(hz) gain(db) 0.0001 0.001 0.01 0.1 1 10 0.001 0.01 0.1 1 10 input voltage(vrms) thd+n(%) 0 7db 1db/step 0 17db 1db/step -14db +14db -14 +14db, 2db/ste p -14 +14db, 2db/step -14db +14db vcc vee output gain/tone on output gain on volume direct fig.9 output voltage - input voltage fig.10 total harmonic distortion - input voltage fig.8 circuit current - voltage supply fig.11 input gain - frequency fig.12 output gain - frequency fig.13 output noise voltage - power supply voltage fig.17 rec total harmonic distortion - input voltage fig.18 rec voltage gain - frequency fig.14 bass gain - frequency fig.15 treble gain - frequency fig.16 rec output voltage - input voltage
16/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note notes for use 1. numbers and data in entries are representative desi gn values and are not guaranteed values of the items. 2. although rohm is confident that the example application circuit reflects the best possible recommendations, be sure to verify circuit characteristics for your particular application. modification of constants for other externally connected circui ts may cause variations in both static and transient characteristics for external components as well as this rohm ic. allow for sufficient margins when determining circuit constants. 3. absolute maximum ratings use of the ic in excess of absolute maximum ratings, such as the applied voltage or operating temperature range (topr), may result in ic damage. assumptions should not be made re garding the state of the ic (short mode or open mode) when such damage is suffered. a physical safety measure, such as a fuse, should be implemented when using the ic at times where the absolute maximum ratings may be exceeded. 4. vee potential make the vee pin voltage such that it is the lowest voltage even when operating below it. actually confirm that the voltage of each pin does not become a lower volt age than the vee pin, including transient phenomena. 5. thermal design perform thermal design, in which there are adequate margins, by taking into account the power dissipation (pd) in actual states of use. 6. short circuit between terminals and erroneous mounting pay attention to the assembly direction of the ics. wrong mounting direction or s horts between terminals, gnd, or other components on the circuits, can damage the ic. 7. operation in strong electromagnetic field using the ics in a strong electromagnetic field can cause oper ation malfunction. 8. operating voltage range and operating temperature range the circuit functional operations are guaranteed within the operating voltage range and o perating temperature range. the standard values of electrical characteristics, however, are guaranteed under the specific conditions. accordingly, careful consideration of the ic characteristic va riations is required to design a set of circuit. 9. power on/off (a) at power on/off, a shock sound will be generated. therefore, use mute on the set. (b) when turning on power supplies, vee and vcc should be powered on simultaneously, or vee first followed by vcc. if the vcc side is started up first, an ex cessive current may flow from vcc to vee. 10. serial control for the cl and da terminals, the patterned and other wirings s hould be routed as not to cause interference with the analog-signal-related lines. 11. function switching for the all functions other than master volume, tr eble, and bass gain settings, use mute on the set.
17/17 bd3816k1,bd3817ks www.rohm.com 2010.06 - rev.a ? 2010 rohm co., ltd. all rights reserved. technical note ordering part number b d 3 8 1 6 k 1 part no. part no. 3816 3817 package k1: qfp80 ks: sqfp100 packaging and forming specification none:tray (unit : mm) qfp80 0.15 0.8 0.05 18.00.3 14.00.2 0.350.1 24.00.3 20.00.2 80 65 1 24 25 40 41 64 2.70.1 1.2 0.150.1 ? order quantity needs to be multiple of the minimum quantity. tray (with dry pack) container quantity direction of feed 500pcs direction of product is fixed in a tray 1pin (unit : mm) sqfp100 0.65 51 50 31 81 100 1 30 20.00.2 24.00.3 14.00.2 18.00.3 80 0.30.1 0.150.1 1.2 0.05 2.70.1 0.15 ? order quantity needs to be multiple of the minimum quantity. tray (with dry pack) container quantity direction of feed 500pcs direction of product is fixed in a tray 1pin
r1010 a www.rohm.com ? 2010 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 products. 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, redunda ncy, 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, aerospac e 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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