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njw1191 ? 1 ? 4-channel electronic volume with input selector ! general description ! package outline njw1191 is 4-channel electronic volume with input selector. it includes main volume, balance and fader trim, 4 inputs selector, loudness and tone control. njw1191 performs low noise and low distortion characteristics with resistance ladder type electrical volume. all of internal status and variables are controlled by i 2 c bus interface. ! features operating voltage 7.5 to 13v i 2 c bus interface low output noise -103dbvtyp low distortion 0.01%typ 4ch input selector loudness tone control bass / treble main volume balance & fader bi-cmos technology package outline ssop32 ! block diagram njw1191v tone tone i 2 c interface bias 0db,+6db , +12db , +18db 0db,+6db , +12db , +18db
njw1191 ? 2 ? ! pin function no. symbol function no. symbol function 1 gnd ground 17 sda i 2 c data input / acknowledge output 2 vref reference voltage 18 rl_out lch rear vol. output 3 in1r rch input 1 19 fl_out lch front vol. output 4 in2r rch input 2 20 vol2in_l lch 2 nd vol. input 5 in3r rch input 3 21 toneout_l lch tone output 6 in4r rch input 4 22 dccl lch tone bass dc cut capacitor 7 tap1r rch loudness high freq. time constant 23 tlcl lch tone bass time constant 8 tap2r rch loudness low freq. time constant 24 thcl lch tone treble time constant 9 thcr rch tone treble time constant 25 tap2l lch loudness low freq. time constant 10 tlcr rch tone bass time constant 26 tap1l lch loudness high freq. time constant 11 dccr rch tone bass dc cut capacitor 27 in4l lch input 4 12 toneout_r rch tone output 28 in3l lch input 3 13 vol2in_r rch 2 nd vol. input 29 in2l lch input 2 14 fr_out rch front vol. output 30 in1l lch input 1 15 rr_out rch rear vol. output 31 n.c no connect 16 scl i 2 c clock input 32 v+ power supply ! absolute maximum rating (ta=25c) parameter symbol rating unit supply voltage v + 15 v power dissipation p d 800 note: eia/jedec standard test board (76.2x114.3x1.6mm, 2layer, fr-4) mounting mw operating temperature range topr -40 to +85 c storage temperature range tstg -40 to +125 c 116 17 32
njw1191 ? 3 ? ! ! ! ! electrical characteristics ( ta=25c, v+=9v, r g =600 ? , r l =47k ? , vin=1.5vrms,f=1khz, all controls flat(gv=0db) unless otherwise specified) parameter symbol condition min. typ. max. unit operating voltage v + 7.5 9.0 13.0 v supply current i cc no signal - 13 18 ma reference voltage v ref no signal 4.0 4.5 5.0 v maximum input voltage v im vol1=-20db thd=1% 2.0 2.4 - vrms maximum output voltage 1 v om1 thd=1% 2.0 2.4 - vrms maximum output voltage 2 v om2 thd=1%, f=50khz 1.5 2.4 - vrms voltage gain 1 g v1 vol1=0db, amp gain=+18db vin=0.1vrms +16 +18 +20 db voltage gain 2 g v2 -1 0 1 db voltage gain 3 g v3 vol1=-68db -71 -68 -65 db voltage gain 4 g v4 vol2fl,fr,bl,br=-42db -45 -42 -39 db mute level mute vol2fl,fr,bl,br=mute filter : 400hz to 30khz - -100 -90 db channel balance g cb -1 0 1 db total harmonic distortion thd bw : 400hz to 30khz - 0.01 0.05 % output noise voltage 1 v no1 rg=0 ? , filter : a-weighted - - -103 (7) -90 (32) dbv ( vrms) output noise voltage 2 v no2 vol2fl,fr,bl,br=mute rg=0 ? , filter : a-weighted - - -108 (4) -95 (17.8) dbv ( vrms) cross talk ct selected input : no signal rg=0 ? unselected input : input signal filter : 400hz to 30khz 90 100 - db channel separation cs rg=0 ? , filter : 400hz to 30khz 90 100 - db ? loudness maximum low boost level g ldl loudness=on,vol1=-24db,f=40hz 9.5 12 14.5 db maximum high boost level g ldh loudness=on,vol1=-24db,f=10khz 2.5 5 7.5 db ? tone treble boost level g hbst bct=?1?,treb=?111?, f=10khz vin=0.1vrms 11.5 14.0 16.5 db treble flat level g hflt treb=?000?,f=10khz -2.0 0.0 2.0 db treble cut level g hcut bct=?0?,treb=?111?, f=10khz -16.5 -14.0 -11.5 db bass boost level g lbst bcb=?1?,bass=?111?, f=100hz vin=0.1vrms 11.5 14.0 16.5 db bass flat level g lflt bass=?000?,f=100hz -2.0 0.0 2.0 db bass cut level g lcut bcb=?0?,bass=?111?, f=100hz -16.5 -14.0 -11.5 db
njw1191 ? 4 ? ! i 2 c bus block characteristics (sda,scl) parameter symbol min. typ. max. unit high level input voltage v ih 2.5 - 5.0 v low level input voltage v il 0 - 1.5 v high level input current i ih - - 10 a low level input current i il - - 10 a low level output voltage (3ma at sda pin) v ol 0 - 0.4 v maximum output current i ol -3.0 - - ma maximum clock frequency f scl - - 100 khz data change minimum waiting time t buf 4.7 - - s data transfer start minimum waiting time t hd:sta 4.0 - - s low level clock pulse width t low 4.7 - - s high level clock pulse width t high 4.0 - - s minimum start preparation waiting time t su:sta 4.7 - - s minimum data hold time t hd:dat 5.0 - - s minimum data preparation time t su:dat 250 - - ns rise time t r - - 1.0 s fall time t f - - 300 ns minimum stop preparation waiting time t su:sto 4.0 - - s i 2 c bus load condition: pull up resistance 4k ? (connected to +5v) load capacitance 200pf (connected to gnd) sd a scl t buf t hd:sta sr p t low t r t hd:dat t high t f t su:dat s p t su:sta t su:sto t hd:sta
njw1191 ? 5 ? ! application circuit ! ! ! ! application notes 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 31 32 + + + + gnd vref bias input selector master volume & loudness master volume & loudness tone control front volume rear volume front volume rear volume i 2 c bus interface scl sda 10 f 1 f 1 f 1 f 1 f 470pf 39k ? 4.7k ? 100nf 4.7nf 100nf 4.7 f 2.2k ? 1 f 1 f 100nf 4.7 f 2.2k ? 4.7nf 4.7k ? 100nf 39k ? 470pf 1 f 1 f 1 f 1 f 100 f +9v v+ + + + + + + + + + + + 10 f + 10 f 10 f + 10 f + tone control input selector c1 c2 c3 c4 c5 c6 c7 r1 r2 c8 c9 c10 r3 c11 c12 c13 r4 100 ? r5 100 ? c14 c15 c16 c17 r6 c18 c19 c20 r7 r8 c21 c21 c22 c23 c24 c25 pin no. function note 2vref c1 can be adjusted rise and fall time of reference voltage at power on and off. take care that the reduced c1makes sensitive to ripple of power supply. 3 - 6, 27 -30 inputs the input impedance is designed about 48k ohms. the ground line should be inserted between each input lines to avoid cross talk. 7,8,25,26 loudness filter taps loudness frequency can be adjusted with external parts(see page 6) . especialy, 8 and 25 pins should be kept from large signal lines such as digital signal lines or the other sound signal lines to avoid digitaly noise or cross talk in loudness mode. 9,10,11,22,23, 24 tone filter terminals tone bass and treble cut off frequency can be adjusted with external parts(see page6). these pins should be kept from large signal lines such as digital signal lines or the other sound signal lines to avoid the digitaly noise or cross talk. 12,21 tone outputs output impedance is designed about 50 ohms. 13,20 balance fedar volume inputs input impe dance is designed about 24k ohms. 14,15,18,19 balance fedar volume outputs output impedance is designed about 50 ohms. 16,17 i 2 c control signal ports these terminals should be inserted resistance about 100 ohms between terminal and signal source to reduce the digitaly noise. these lines should be kept from analog signal lines and or near by the chip to avoid digitaly noise. inserted ground line between analog line and digital line should be recommended.
njw1191 ? 6 ? ! ! ! ! application notes < loudness fc adjustment > loudness high and low boost cut off frequencies are able to adjust with the external parts as shown in fig.a. they are given by the functions below. < tone fc adjustment > tone high and low cut off frequencies are able to adjust with the external parts as shown in fig.b. they are given by the functions below. . high boost cut off frequency: f ch = e1 e1 c r 2 1 ? (hz) low boost cut off frequency: f cl = e2 e2 c r 2 1 ? (hz) fig. a loudness circuit ( c6, c21) (r1, r8) (r2, r7) ( c7, c20) tap1 ( 7, 26pin) tap 2 ( 8, 25pin) master volume & loudness r e1 r e2 c e1 c e2 r e2 should be fixed to 4.7k ? for the precise level of volume in loudness mode. fig. b tone circuit (boost) (cut) treble cut off frequency: f ct = e3 3b c r 2 ? 1 (hz) (r 3b =5.5k ? at 14db set) bass cut off frequency: f cbl = e4 e3 4b 4a e3 4b c r r r 2 ) r (r ? ? + + ) ( (hz) dc cut off frequency: f cdc = e5 e3 4b c r r 2 ? + ) ( 1 (hz) (r 4b =3.3k ? at 14db set) r 3b c e3 c e4 c e5 r e3 ( c8, c19) (c9, c18) (c10, c17) (r3, r6) thc (9, 24pin) tlc (10, 23pin) dcc (11, 22pin) (r 3a +r 3b = 33k ? ) r 3a r 4a r 4b (r 4a +r 4b = 33k ? ) c e3 c e4 c e5 r e3 ( c8, c19) (c9, c18) (c10, c17) (r3, r6) thc (9, 24pin) tlc (10, 23pin) dcc (11, 22pin) r 3b r 3a (r 3a +r 3b = 33k ? ) r 4a r 4b (r 4a +r 4b = 33k ? )
njw1191 ? 7 ? ! terminal description no. symbol function equivalent circuit voltage 2 vref reference voltage v+/2 3 4 5 6 30 29 28 27 in1r in2r in3r in4r in1l in2l in3l in4l rch input 1 rch input 2 rch input 3 rch input 4 lch input 1 lch input 2 lch input 3 lch input 4 v+/2 7 26 tap1r tap1l rch loudness high freq. time constant lch loudness high freq. time constant v+/2 8 25 tap2r tap2l rch loudness low freq. time constant lch loudness low freq. time constant v+/2 200k 200k v+ gnd 18k 30k gnd v+ vref 50 gnd v+ 50 gnd vref v+ 50 4.7k vref
njw1191 ? 8 ? ! terminal description no. symbol function equivalent circuit voltage 9 24 thcr thcl rch tone treble time constant lch tone treble time constant v+/2 10 23 tlcr tlcl rch tone bass time constant lch tone bass time constant v+/2 11 22 dccr dccl rch tone bass dc cut capacitor lch tone bass dc cut capacitor v+/2 12 21 toneout_r toneout_l rch tone output lch tone output v+/2 gnd 50 v+ 5k 1.8k gnd 50 v+ 800 6.7k 5.4k gnd 50 v+ 3k 2k gnd v+ 50 7k 6k 3k
njw1191 ? 9 ? ! terminal description no. symbol function equivalent circuit voltage 13 20 vol2in_r vol2in_l rch 2 nd vol. input lch 2 nd vol. input v+/2 14 15 19 18 fr_out rr_out rl_out fl_out rch front vol. output rch rear vol. output lch front vol. output lch rear vol. output v+/2 16 scl i 2 c clock input - 17 sda i 2 c data input / acknowledge output - 12k gnd v+ 2.5k 12k 2.5k 70 70 gnd v+ 50 vref 10k 10k gnd 4k 12k 4k gnd 12k
njw1191 ? 10 ? ! definition of i 2 c register ? ? ? ? i 2 c bus format msb lsb msb lsb msb lsb s slave address a select address a data a p 1bit 8bit 1bit 8bit 1bit 8bit 1bit 1bit s: starting term a: acknowledge bit p: ending term ? ? ? ? slave address slave address hex msb lsb - 1 0 0 0 0 0 0 0 80(h) ? ? ? ? control register table the select address sets each function (volume, loudness, balance, fader, tone control, input selector). the auto increment function cycles the select address as follows. 00h 01h 02h 03h 04h 00h bit select address d7 d6 d5 d4 d3 d2 d1 d0 00h amp gain vol1 01h vol2fl (front left) vol2fr (front right) 02h vol2rl (rear left) vol2rr (rear right) 03h bcb tone bass bct tone treble 04h flmute frmute rlmute rrmute input selector loudness test * ? ? ? ? control register default value control register default value is all ?0?. bit select address d7 d6 d5 d4 d3 d2 d1 d0 00h 0 0 0 0 0 0 0 0 01h 0 0 0 0 0 0 0 0 02h 0 0 0 0 0 0 0 0 03h 0 0 0 0 0 0 0 0 04h 0 0 0 0 0 0 0 0 * test : set d0=0 in usually. (for device check use only)
njw1191 ? 11 ? ! instruction code a) main volume (vol1,amp gain) setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 00h amp gain vol1 ? amp gain : 0db, +6db, +12db, +18db ? vol1 : volume 1 attenuator setting 0 to ?30db (1db/step),-30 to ?68db (2db/step),mute b) balance, fader volume (vol2fl,fr,rl,rr ) setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 01h vol2fl vol2fr 02h vol2rl vol2rr ? vol2fl,fr,rl,rr : 0,-2,-4,-6,-8,-10,-12,-16,-18,-20,-24,-32,-34,-36,-38,-42 db c) tone setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 03h bcb tone bass bct tone treble ? bcb : boost cut select for bass control ?0? : cut ?1? : boost ? tone bass : bass level setting cut level : -14 to 0db(2db/step) boost level : 0 to +14db(2db/step) ? bct : boost cut select for treble control ?0? : cut ?1? : boost ? tone treble : treble level setting cut level : -14 to 0db(2db/step) boost level : 0 to +14db(2db/step) d) input selector setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 04h flmute frmute rlmute rrmute input selector loudness test ? flmute, frmute, rlmute, rrmute : vol2fl,fr,rl,rr mute ? input selector: input1 to 4 ? loudness : loudness on/off ? test : for device check use only. set d0 = 0 in usual.
njw1191 ? 12 ? ! vol1(select address : 00h) vol1 gain(db) d5 d4 d3 d2 d1 d0 0 1 1 1 1 1 1 -1 1 1 1 1 1 0 -2 1 1 1 1 0 1 -3 1 1 1 1 0 0 -4 1 1 1 0 1 1 -5 1 1 1 0 1 0 -6 1 1 1 0 0 1 -7 1 1 1 0 0 0 -8 1 1 0 1 1 1 -9 1 1 0 1 1 0 -10 1 1 0 1 0 1 -11 1 1 0 1 0 0 -12 1 1 0 0 1 1 -13 1 1 0 0 1 0 -14 1 1 0 0 0 1 -15 1 1 0 0 0 0 -16 1 0 1 1 1 1 -17 1 0 1 1 1 0 -18 1 0 1 1 0 1 -19 1 0 1 1 0 0 -20 1 0 1 0 1 1 -21 1 0 1 0 1 0 -22 1 0 1 0 0 1 -23 1 0 1 0 0 0 -24 1 0 0 1 1 1 -25 1 0 0 1 1 0 -26 1 0 0 1 0 1 -27 1 0 0 1 0 0 -28 1 0 0 0 1 1 -29 1 0 0 0 1 0 -30 1 0 0 0 0 1 -32 1 0 0 0 0 0 -34 0 1 1 1 1 1 -36 0 1 1 1 1 0 -38 0 1 1 1 0 1 -40 0 1 1 1 0 0 -42 0 1 1 0 1 1 -44 0 1 1 0 1 0 -46 0 1 1 0 0 1 -48 0 1 1 0 0 0 -50 0 1 0 1 1 1 -52 0 1 0 1 1 0 -54 0 1 0 1 0 1 -56 0 1 0 1 0 0 -58 0 1 0 0 1 1 -60 0 1 0 0 1 0 -62 0 1 0 0 0 1 -64 0 1 0 0 0 0 -66 0 0 1 1 1 1 -68 0 0 1 1 1 0 mute 0 0 0 0 0 0
njw1191 ? 13 ? ! amp gain (select address : 00h) ! vol2 fl,fr (select address : 01h) : front channel vol2 rl,rr (select address : 02h) : rear channel ! tone (select address : 03h) amp gain gain(db) d7 d6 0 0 0 +6 0 1 +12 1 0 +18 1 1 vol2 lch d7 d6 d5 d4 gain(db) rch d3 d2 d1 d0 0 1 1 1 1 -2 1 1 1 0 -4 1 1 0 1 -6 1 1 0 0 -8 1 0 1 1 -10 1 0 1 0 -12 1 0 0 1 -16 1 0 0 0 -18 0 1 1 1 -20 0 1 1 0 -24 0 1 0 1 -32 0 1 0 0 -34 0 0 1 1 -36 0 0 1 0 -38 0 0 0 1 -42 0 0 0 0 bcb d7 bct cut/boost select d3 cut 0 boost 1 tone bass d6 d5 d4 cut boost tone treble gain(db) gain(db) d2 d1 d0 -14 14 1 1 1 -12 12 1 1 0 -10 10 1 0 1 -8 8 1 0 0 -6 6 0 1 1 -4 4 0 1 0 -2 2 0 0 1 0 0 0 0 0
njw1191 ? 14 ? ! vol2 mute (select address : 04h) ! input selector (select address : 04h) ! loudness (select address : 04h) ! test (select address : 04h) * for device check use only. fl mute d7 fr mute d6 rl mute d5 rr mute mute setting d4 mute 0 active 1 input selector d3 d2 input 1 0 0 input 2 0 1 input 3 1 0 input 4 1 1 test d0 normal 0 test mode 1 loudness loudness setting d1 off 0 on 1
njw1191 ? 15 ? ! typical characteristics operating current vs. ambient temperature v +=9v 9 10 11 12 13 14 15 -50 0 50 100 150 ambient temperature [c] operating current [ma] operating current vs. operating voltage 0 2 4 6 8 10 12 14 16 051015 operating voltage [v] operating current [ma] 25c 85c -40c ref erence voltage vs. ambient temperature v+=9v 4.3 4.4 4.5 4.6 4.7 -50 0 50 100 150 ambient temperature [c] reference voltage [v] maximum input voltage vs. ambient temperature input : l1, output : fl, vol1=-20db, thd=1% 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -50 0 50 100 150 ambient temperature [c] maximum input voltage [vrms ] psrr vs. frequency v +=9v +1vrms -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 10 100 1000 10000 100000 frequency [hz] psrr [db ] 10 100 1k 10k 100k maximum output voltage vs. frequency input : l1, output : fl,rl, thd=1% 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 10 100 1000 10000 100000 frequency [hz] maximum output voltage [vrms ] -40c, 25c 85c 10 100 1k 10k 100k
njw1191 ? 16 ? ! typical characteristics maximum output voltage vs. ambient temperature input : l1, output : fl, thd=1% 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -50 0 50 100 150 ambient temperature [ ] maximum output voltage [vrms ] maximum output voltage vs. ambiemt temperature input : l1, output : fl, f=50khz, thd=1% 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -50 0 50 100 150 ambient temperature [ ] maximum output voltage [vrms ] voltage gain vs. frequency input : l1, output : fl, bw:10hz-80khz -120 -100 -80 -60 -40 -20 0 20 40 10 100 1000 10000 100000 frequnency [hz] voltage gain [db] vol2=0db vol2=-42db vol2=mute 10 100 1k 10k 100k voltage gain vs. frequency input : l1, output : fl, bw:10hz-80khz -120 -100 -80 -60 -40 -20 0 20 40 10 100 1000 10000 100000 frequnency [hz] voltage gain [db] ga in=+18db vol1=0db vol1=-68db vol1=mute 10 100 1k 10k 100k voltage gain vs. volume set level input : l1, output : fl, control: vol1 -80 -70 -60 -50 -40 -30 -20 -10 0 -70 -60 -50 -40 -30 -20 -10 0 volume set level [db] voltage gain [db] -40c, 25c, 85c voltage gain vs. volume set level input : l1, output : fl, control: vol2 -50 -40 -30 -20 -10 0 -50 -40 -30 -20 -10 0 volume set level [db] voltage gain [db] -40c, 25c, 85c
njw1191 ? 17 ? ! typical characteristics thd+n vs. input voltage input : l1, output : fl, bw:10hz-80khz 0.001 0.01 0.1 1 10 0.01 0.1 1 10 input voltage [vrms] thd+n [% ] 20hz 1khz 20khz,50khz thd+n v s . input v oltage input : l1, output : fl, bw:400hz-30khz 0.001 0.01 0.1 1 10 0.01 0.1 1 10 input voltage [vrms] thd+n [% ] vol1=0db vol1=-6db vol1=-12db vol1=-18db thd+n vs. ambient temperature input : l1, output : fl, bw:400-30khz 0.0001 0.001 0.01 0.1 1 10 -50 0 50 100 150 ambient temperature [c] thd+n [% ] vin=1vrms vin=0.5vrms vin=1.5vrms thd+n vs. frequency input : l1, output : fl 0.001 0.01 0.1 1 10 100 1000 10000 100000 frequency [hz] thd+n [% ] 85c -40c, 25c 10 100 1k 10k 100k thd+n vs. input voltage input : l1, output : fl, bw:400hz-30khz 0.001 0.01 0.1 1 10 100 0.01 0.1 1 10 input voltage [vrms] thd+n [% ] -40c 85c 25c output noise voltage vs. ambient tempereture input : l1, output : fl, rg=0 ? , a-w eighted 0 5 10 15 20 25 30 -50 0 50 100 150 ambient temperature[ ] output noise voltage [ vrms] vol1=vol2=0db vol2=mute
njw1191 ? 18 ? ! typical characteristics cross talk vs. ambient temperature input : l1, output : fl, rg=0 ? , bw:400hz-30khz 20 30 40 50 60 70 80 90 100 110 120 -50 0 50 100 150 ambient temperature[ ] cross talk [db ] channel separation vs. ambient temperature input : l1, output : fl, rg=0 ? , bw:400hz-30khz 20 30 40 50 60 70 80 90 100 110 120 -50 0 50 100 150 ambient temperature [ ] channel separation [db] channel separation vs. frequency input : r1, output : fl, rg=0 ? , bw:10hz-80khz 20 30 40 50 60 70 80 90 100 110 120 10 100 1000 10000 100000 f requency [hz] channel separation [db] -40c, 25c, 85c 10 100 1k 10k 100k voltage gain vs. ambient temperature (lo udness) input : l1, output : fl, loudness=on, vol1=-24db 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 -50 0 50 100 150 ambient temperature [ ] voltage gain [db] f =10khz f =40hz voltage gain vs. frequency (loudness) input : l1, output : fl, loudness=on -35 -30 -25 -20 -15 -10 -5 0 5 10 100 1000 10000 100000 frequency [hz] voltage gain [db] vol1=-30db vol1=0db vol1=-10db vol1=-20db 10 100 1k 10k 100k cross talk vs. frequency input : l2,l3,l4, output : fl, rg=0 ? , bw:10hz-80khz 20 30 40 50 60 70 80 90 100 110 120 10 100 1000 10000 100000 frequency [hz] cross talk [db ] -40c, 25c, 85c
njw1191 ? 19 ? ! typical characteristics voltage gain vs. f requency (lo udness) input : l1, output : fl, loudness=on, vol1=-24db -25 -20 -15 -10 -5 0 10 100 1000 10000 100000 frequency [hz] voltage gain [db] -40c 25c 85c 10 100 1k 10k 100k voltage gain vs. frequency (tone) input : l1, output : fl -20 -15 -10 -5 0 5 10 15 20 10 100 1000 10000 100000 frequency [hz] voltage gain [db] bass=treble=+14db ta=-40c, 25c, 85c bass=treble=-14db ta=-40c, 25c, 85c bass=treble=0db ta=-40c, 25c, 85c 10 100 1k 10k 100k voltage gain vs. frequency (bass) input : l1, output : fl, vin=0.1vrms -20 -15 -10 -5 0 5 10 15 20 10 100 1000 10000 100000 frequency [hz] voltage gain [db] bass=-14db bass=+14db bass=0db 10 100 1k 10k 100k voltage gain vs. frequency (treble) input : l1, output : fl, vin=0.1vrms -20 -15 -10 -5 0 5 10 15 20 10 100 1000 10000 100000 frequency [hz] voltage gain [db] treble=+14db treble=-14db treble=0db 10 100 1k 10k 100k thd+n vs. volume set level 0.001 0.01 0.1 1 10 -80 -60 -40 -20 0 volume set level [db] thd+n [% ] 20khz 1khz 20hz
njw1191 ? 20 ? ! note [caution] the specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. the application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights.

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