View NJW1141M_6670779.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

njw1141 -1- audio processor general description package outline the njw1141 is a sound processor includes all of the functions required to process the audio signal for tv, such as tone control, balance, volume, mute, and agc functions. all of the internal status and variables are controlled by i 2 c bus interface. features operating voltage 8 to 10v i 2 c bus interface internal 4 input audio selectors and monitor output low noise vca variable agc compression level via i 2 c (4-levels) bi-cmos technology package outline sdip30, sdmp30 block diagram bias agc cva cvb cth ctl gnd vcc vref tone -ha tone -hb tone -la tone -lb outb sda scl sel sel tone vol2 agc tone vol2 vol1 vol1 in1a in2a in3a in4a in1b in2b in3b in4b -2db -2db +4.5db +4.5db mona monb outa i 2 c bus interface NJW1141M njw1141l
njw1141 - 2 - pin configuration no. symbol function symbol function 1 in1a ach input1 16 v+ power supply terminal 2 in2a ach input2 17 vref reference voltage 3 in3a ach input3 18 ctl pop noise reduction for bass control 4 in4a ach input4 19 cth pop noise reduction for treble control 5 mona ach monitor output 20 agc agc filter 6 nc no connect 21 outb bch output 7 tone-ha ach treble filter 22 lineb bch line output (+4.5db) 8 tone-la ach bass filter 23 tone-lb bch bass filter 9 linea ach line output (+4.5db) 24 tone-hb bch treble filter 10 outa ach output 25 nc no connect 11 cvb dac output for bch volume & balance 26 monb bch monitor output 12 cva dac output for ach volume & balance 27 in4b bch input4 13 sda sda data input (i 2 c bus) 28 in3b bch input3 14 scl scl clock input (i 2 c bus) 29 in2b bch input2 15 gnd gnd terminal 30 in1b bch input1 16 30 29 28 27 26 25 24 23 22 21 18 19 20 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 in1a in2a in3a in4a in1b in2b in3b in4b mona monb tone-ha tone-hb tone-la linea tone-lb lineb outa outb cvb cth ctl sda scl gnd vref v+ agc cva nc nc 16
njw1141 -3- absolute maximum rating (ta=25 c) parameter symbol rating unit supply voltage v + 12 v power dissipation p d 700 mw operating temperature range topr -20 to +75 c storage temperature range tstg -40 to +125 c electrical characteristics ( ta=25 c, v + =9v, rg=600 ? , r l =47k ? , vin=100mvrms/1khz) parameter symbol test condition min. typ. max. unit operating voltage v + 8.0 9.0 10.0 v supply current i cc no signal - 8.0 25.0 ma reference voltage v ref no signal 4.0 4.5 5.0 v maximum input voltage v im vol=-20db, thd=3% 2.8 3.0 - vrms maximum output voltage1 v om1 output vol=0db, thd=1% - 2.5 - vrms maximum output voltage2 v om2 lineout vol=0db, thd=1% - 2.5 - vrms mon out gain g vmon mon out - -2.0 - db lineout gain g vline lineout, vol=0db 2.5 4.5 6.5 db maximum gain g vmax vol=0db -2.0 0.0 2.0 db minimum gain g vmin vol=mute, vin=1vrms bw=400hz to 30khz - - -70 db channel balance g cb vol=0db -1.5 0.0 1.5 db balance boost a ba bst chs=?0?,bal=?11111? -2.0 0.0 2.0 db balance cut a ba cut chs=?1?,bal=?11111? vin = 1vrms bw=400hz to 30khz - - -70 db balance boost b bb bst chs=?1?,bal=?11111? -2.0 0.0 2.0 db balance cut b bb cut chs=?0?,bal=?11111? vin = 1vrms bw=400hz to 30khz - - -70 db total harmonic distortion thd vo=0.5vrms bw=400hz to 30khz - - 0.5 % input selector cross talk ct vin=1vrms bw=400hz to 30khz - - -70 db channel separation cs vin=1vrms bw=400hz to 30khz - - -70 db output noise 1 v no1 vol=0db bw=400hz to 30khz - - -90 (31.6) -85 (56.2) dbv ( vrms) output noise 2 v no2 vol=mute bw=400hz to 30khz - - -106 (5.0) -96 (15.8) dbv ( vrms) output noise 3 v no3 lineout, vol=0db bw=400hz to 30khz - - -85 (56.2) -80 (100) dbv ( vrms) output noise 4 v no4 lineout, vol=mute bw=400hz to 30khz - - -101 (8.9) -91 (28.2) dbv ( vrms)
njw1141 - 4 - electrical characteristics ( ta=25 c, v + =9v, rg=600 ? , r l =47k ? , vin=100mvrms/1khz) tone control (tone control-on) parameter symbol test condition min. typ. max. unit high frequency boost hf bst treble=+15db, f=10khz 12.5 15.0 17.5 db high frequency flat hf flt trbe=0db, f=10khz -2.0 0.0 2.0 db high frequency cut hf cut treble=-15db, f=10khz -17.5 -15.0 -12.5 db low frequency boost lf bst bass=+15db, f=100hz 12.5 15.0 17.5 db low frequency flat lf flt bass=0db, f=100hz -2.0 0.0 2.0 db low frequency cut lf cut bass=-15db, f=100hz -17.5 -15.0 -12.5 db sub-tone control (sub-tone control-on) parameter symbol test condition min. typ. max. unit high frequency boost shf bst sub-treble=+3db, f=10khz 2.0 3.0 4.0 db high frequency flat shf flt sub-treble=0db, f=10khz -2.0 0.0 2.0 db high frequency cut shf cut sub-treble=-3db, f=10khz -4.0 -3.0 -2.0 db low frequency boost slf bst sub-bass=+3db, f=100hz 2.0 3.0 4.0 db low frequency flat slf flt sub-bass=0db, f=100hz -2.0 0.0 2.0 db low frequency cut slf cut sub-bass=-3db, f=100hz -4.0 -3.0 -2.0 db agc (agc-on) parameter symbol test condition min. typ. max. unit agc boost agc bst vin=50mvrms 1.5 3.5 5.5 db agc flat 1 agc flt1 vin=300mvrms -2.5 0.0 2.5 db agc flat 2 agc flt2 vin=400mvrms -2.5 0.0 2.5 db agc flat 3 agc flt3 vin=500mvrms -2.5 0.0 2.5 db agc flat 4 agc flt4 vin=600mvrms -2.5 0.0 2.5 db agc cut agc cut vin=2vrms -14 -10 -6.0 db
njw1141 -5- sda scl t f t hd:st a t low t r t hd:dat t high t f t su:dat s t su:sta t hd:st a t sp t su:sto sr t r t buf p s ! timing on the i 2 c bus (sda,scl) ! characteristics of i/o stages for i 2 c bus (sda,scl) i 2 c bus load conditions standard mode : pull up resistance 4k ? (connected to +5v), load capacitance 200pf (connected to gnd) standard mode parameter symbol min. typ. max. unit low level input voltage v il 0.0 - 1.5 v high level input voltage v ih 3.0 - 5.0 v low level output voltage (3ma at sda pin) v ol 0 - 0.4 v input current each i/o pin with an input voltage between 0.1v dd and 0.9v ddmax i i -10 - 10 a
njw1141 - 6 - ! characteristics of bus lines (sda,scl) for i 2 c-bus devices standard mode parameter symbol min. typ. max. unit scl clock frequency f scl - - 100 khz hold time (repeated) start condition. t hd:sta 4.0 - - s low period of the scl clock t low 4.7 - - s high period of the scl clock t high 4.0 - - s set-up time for a repeated start condition t su:sta 4.7 - - s data hold time note) t hd:dat 0 - - s data set-up time t su:dat 250 - - ns rise time of both sda and scl signals t r - - 1000 ns fall time of both sda and scl signals t f - - 300 ns set-up time for stop condition t su:sto 4.0 - - s bus free time between a stop and start condition t buf 4.7 - - s capacitive load for each bus line c b - - 400 pf noise margin at the low level v nl 0.5 - - v noise margin at the high level v nh 1 - - v c b ; total capacitance of one bus line in pf. note). data hold time : t hd:dat please hold the data hold time (t hd:dat ) to 300ns or more to avoid status of unstable at scl falling edge. the sda block in the njw1141 does not hold data. add external data-delay-circuit of the sda terminal, in case of not providing a hold time of at least 300nsec for the sda in the master device. the time-consists of the data-delay-circuit of the sda terminal are as follows. (a) low level ! high level : t lh r p *c d (b) high level ! low level : t hl r d *c d in addition, schottky barrier diode (sbd) influences a low level at the acknowledge. therefore choose the low forward voltage (vf) as much as possible. ma ster scl sda v dd r p r p r d sbd c d njw1141
njw1141 -7- ! terminal description no. symbol function equivalent circuit voltage 1 2 3 4 27 28 29 30 in1a in2a in3a in4a in4b in3b in2b in1b ach input 1 ach input 2 ach input 3 ach input 4 bch input 4 bch input 3 bch input 2 bch input 1 v+/2 5 9 10 21 22 26 mona linea outa outb lineb monb ach monitor output (-2db) ach line output (4.5db) ach output (0db) bch output (0db) bch line output (4.5db) bch monitor output (-2db) v+/2 7 24 tone-ha tone-hb ach treble filter bch treble filter v+/2 8 23 tone-la tone-lb ach bass filter bch bass filter v+/2 20 agc agc filter 0.6v 20k 80k 50 fb 20k fb 12k fb 12k 400 400 12k
njw1141 - 8 - ! terminal description no. symbol function equivalent circuit voltage 11 12 cva cvb pop noise reduction for ach volume & balance pop noise reduction for bch volume & balance v+/2 - 0.7v 13 14 sda scl sda data input (i 2 c bus) scl clock input (i 2 c bus) - 15 gnd gnd terminal 0v 16 v+ power supply terminal v+ 17 vref reference voltage v+/2 18 19 ctl cth pop noise reduction for bass control pop noise reduction for treble control v+/2 - 0.7v 8k 8k vreg 5v 4k scl:gnd sda:ack 200k 36k
njw1141 -9- application circuit 16 30 29 28 27 26 25 24 23 22 21 18 19 20 17 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0.1 f 0.1 f 0.1 f 0.1 f 0.1 f 0.1 f 0.1 f 0.1 f 4.7 f 4.7 f 2.2nf 100nf 2.2nf 100nf 4.7 f 4.7 f 4.7 f 1 f in1a in2a in3a in4a in1b in2b in3b in4b mona monb tone - ha tone - hb tone - la linea tone - lb lineb outa outb cvb 1 f 1 f cth ctl sda scl gnd vref v+ 22 f 1 f 4.7 f 1 f agc cva 0.33 f nc nc 16 + + + + + + + + + + + + + + + + + + + + (note) 1. separate the i 2 c bus line from the following terminals for avoiding digital noise problem. pin no. symbol pin no. symbol 7 tone-ha 23 tone-lb 8 tone-la 24 tone-hb
njw1141 - 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 msb lsb 1 0 0 0 0 0 1 r/w r/w=0: write mode for register setting r/w=1: not available ? ? ? ? control register table the select address sets each function (volume, balance, agc, surround, tone control, aux). the auto increment function cycles the select address as follows. 00h 01h 02h 03h 04h 05h 00h bit select address d7 d6 d5 d4 d3 d2 d1 d0 00h vol 01h chs bal don?t care 02h bcb bass bcsb sub-bass 03h bct treb bcst sub-treb 04h don?t care 05h out sel agc1 agc0 agc don?t care ? ? ? ? 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 05h 0 0 0 0 0 0 0 0
njw1141 -11- i 2 c control command description master volume control bit select address d7 d6 d5 d4 d3 d2 d1 d0 00h vol the volume control for both ach and bch (0.33db/step). the volume is consisted of volume1 and volume2 and the level is divided into half to each volume1 and volume2. balance, agc and surround setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 01h chs bal don't care ? chs: channel select for balance control ?0?: ach ?bch is attenuated? ?1?: bch ?ach is attenuated? ? bal: balance control for both ach and bch (1db/step) the balance is consisted of volume1 and volume2 and the level is divided into half to each volume1 and volume2. tone control bass setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 02h bcb bass bcsb sub-bass ? bcb: boost cut select for bass control ?0?: cut ?1?: boost ? bass: bass control cut level: -15db to 0db (1db/step) boost level: 0db to +15db (1db/step) ? bcsb: boost cut select for sub-bass control ?0?: cut ?1?: boost ? sub-bass: sub- bass control (1db/step) sub-cut level: -3db to 0db (1db/step) sub-boost level: 0db to +3db (1db/step)
njw1141 - 12 - tone control treble setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 03h bct treb bcst sub-treb ? bct: boost cut select for treble control ?0?: cut ?1?: boost ? treb: treble control (1db/step) cut level: -15db to 0db (1db/step) boost level: 0db to +15db (1db/step) ? bcst: boost cut select for sub-treble control ?0?: cut ?1?: boost ? sub-treb: sub-treble control (1db/step) sub-cut level: -3db to 0db (1db/step) sub-boost level: 0db to +3db (1db/step) output and auxiliary setting bit select address d7 d6 d5 d4 d3 d2 d1 d0 05h out sel agc1 agc0 agc don?t care ? out: on/off switch for output ?0?: off (mute) ?1?: on ? sel: input selector sel input select d6 d5 d4 in1a and in1b 0 1 0 in2a and in2b 0 1 1 in3a and in3b 1 0 0 in4a and in4b 1 0 1 ? agc1: agc level setting agc level agc1 (d3) agc0 (d2) agc (d1) 300mvrms 0 0 1 400mvrms 0 1 1 500mvrms 1 0 1 600mvrms 1 1 1 agc off ? ? 0 ? don?t care
njw1141 -13- ! master volume (select address: 00h) vol gain (db) hex d7 d6 d5 d4 d3 d2 d1 d0 0 ff 1 1 1 1 1 1 1 1 -1 fc 1 1 1 1 1 1 0 0 -2 f9 1 1 1 1 1 0 0 1 -3 f6 1 1 1 1 0 1 1 0 -4 f3 1 1 1 1 0 0 1 1 -5 f0 1 1 1 1 0 0 0 0 -6 ed 1 1 1 0 1 1 0 1 -7 ea 1 1 1 0 1 0 1 0 -8 e7 1 1 1 0 0 1 1 1 -9 e4 1 1 1 0 0 1 0 0 -10 e1 1 1 1 0 0 0 0 1 -11 de 1 1 0 1 1 1 1 0 -12 db 1 1 0 1 1 0 1 1 -13 d8 1 1 0 1 1 0 0 0 -14 d5 1 1 0 1 0 1 0 1 -15 d2 1 1 0 1 0 0 1 0 -16 cf 1 1 0 0 1 1 1 1 -17 cc 1 1 0 0 1 1 0 0 -18 c9 1 1 0 0 1 0 0 1 -19 c6 1 1 0 0 0 1 1 0 -20 c3 1 1 0 0 0 0 1 1 -21 c0 1 1 0 0 0 0 0 0 -22 bd 1 0 1 1 1 1 0 1 -23 ba 1 0 1 1 1 0 1 0 -24 b7 1 0 1 1 0 1 1 1 -25 b4 1 0 1 1 0 1 0 0 -26 b1 1 0 1 1 0 0 0 1 -27 ae 1 0 1 0 1 1 1 0 -28 ab 1 0 1 0 1 0 1 1 -29 a8 1 0 1 0 1 0 0 0 -30 a5 1 0 1 0 0 1 0 1 -31 a2 1 0 1 0 0 0 1 0 -32 9f 1 0 0 1 1 1 1 1 -33 9c 1 0 0 1 1 1 0 0 -34 99 1 0 0 1 1 0 0 1 -35 96 1 0 0 1 0 1 1 0 -36 93 1 0 0 1 0 0 1 1 -37 90 1 0 0 1 0 0 0 0 -38 8d 1 0 0 0 1 1 0 1 -39 8a 1 0 0 0 1 0 1 0 -40 87 1 0 0 0 0 1 1 1 -41 84 1 0 0 0 0 1 0 0 -42 81 1 0 0 0 0 0 0 1
njw1141 - 14 - ! master volume (cont'd) vol gain (db) hex d7 d6 d5 d4 d3 d2 d1 d0 -43 7e 0 1 1 1 1 1 1 0 -44 7b 0 1 1 1 1 0 1 1 -45 78 0 1 1 1 1 0 0 0 -46 75 0 1 1 1 0 1 0 1 -47 72 0 1 1 1 0 0 1 0 -48 6f 0 1 1 0 1 1 1 1 -49 6c 0 1 1 0 1 1 0 0 -50 69 0 1 1 0 1 0 0 1 -51 66 0 1 1 0 0 1 1 0 -52 63 0 1 1 0 0 0 1 1 -53 60 0 1 1 0 0 0 0 0 -54 5d 0 1 0 1 1 1 0 1 -55 5a 0 1 0 1 1 0 1 0 -56 57 0 1 0 1 0 1 1 1 -57 54 0 1 0 1 0 1 0 0 -58 51 0 1 0 1 0 0 0 1 -59 4e 0 1 0 0 1 1 1 0 -60 4b 0 1 0 0 1 0 1 1 -61 48 0 1 0 0 1 0 0 0 -62 45 0 1 0 0 0 1 0 1 -63 42 0 1 0 0 0 0 1 0 -64 3f 0 0 1 1 1 1 1 1 -65 3c 0 0 1 1 1 1 0 0 -66 39 0 0 1 1 1 0 0 1 -67 36 0 0 1 1 0 1 1 0 -68 33 0 0 1 1 0 0 1 1 -69 30 0 0 1 1 0 0 0 0 -70 2d 0 0 1 0 1 1 0 1 -71 2a 0 0 1 0 1 0 1 0 -72 27 0 0 1 0 0 1 1 1 -73 24 0 0 1 0 0 1 0 0 -74 21 0 0 1 0 0 0 0 1 -75 1e 0 0 0 1 1 1 1 0 -76 1b 0 0 0 1 1 0 1 1 -77 18 0 0 0 1 1 0 0 0 -78 15 0 0 0 1 0 1 0 1 -79 12 0 0 0 1 0 0 1 0 -80 0f 0 0 0 0 1 1 1 1 -81 0c 0 0 0 0 1 1 0 0 -82 09 0 0 0 0 1 0 0 1 -83 06 0 0 0 0 0 1 1 0 -84 03 0 0 0 0 0 0 1 1 mute 00 0 0 0 0 0 0 0 0
njw1141 -15- ! ! ! ! balance (select address: 01h) channel select (chs) d7 ach (bch is attenuated) 0 bch (ach is attenuated) 1 bal gain (db) d6 d5 d4 d3 d2 0 0 0 0 0 0 -1 0 0 0 0 1 -2 0 0 0 1 0 -3 0 0 0 1 1 -4 0 0 1 0 0 -5 0 0 1 0 1 -6 0 0 1 1 0 -7 0 0 1 1 1 -8 0 1 0 0 0 -9 0 1 0 0 1 -10 0 1 0 1 0 -11 0 1 0 1 1 -12 0 1 1 0 0 -13 0 1 1 0 1 -14 0 1 1 1 0 -15 0 1 1 1 1 -16 1 0 0 0 0 -17 1 0 0 0 1 -18 1 0 0 1 0 -19 1 0 0 1 1 -20 1 0 1 0 0 -21 1 0 1 0 1 -22 1 0 1 1 0 -23 1 0 1 1 1 -24 1 1 0 0 0 -25 1 1 0 0 1 -26 1 1 0 1 0 -27 1 1 0 1 1 -28 1 1 1 0 0 -29 1 1 1 0 1 -30 1 1 1 1 0 mute 1 1 1 1 1
njw1141 - 16 - ! tone control bass (select address: 02h) bcb bass cut or boost d7 cut 0 boost 1 bass cut gain (db) boost gain (db) d6 d5 d4 d3 -15 15 1 1 1 1 -14 14 1 1 1 0 -13 13 1 1 0 1 -12 12 1 1 0 0 -11 11 1 0 1 1 -10 10 1 0 1 0 -9 9 1 0 0 1 -8 8 1 0 0 0 -7 7 0 1 1 1 -6 6 0 1 1 0 -5 5 0 1 0 1 -4 4 0 1 0 0 -3 3 0 0 1 1 -2 2 0 0 1 0 -1 1 0 0 0 1 0 0 0 0 0 0 ! tone control sub-bass (select address: 02h) bcsb sub-bass cut or boost d2 cut 0 boost 1 sub-bass cut gain (db) boost gain (db) d1 d0 -3 3 1 1 -2 2 1 0 -1 1 0 1 0 0 0 0
njw1141 -17- ! tone control treble (select address: 03h) bct treble cut or boost d7 cut 0 boost 1 treb cut gain (db) boost gain (db) d6 d5 d4 d3 -15 15 1 1 1 1 -14 14 1 1 1 0 -13 13 1 1 0 1 -12 12 1 1 0 0 -11 11 1 0 1 1 -10 10 1 0 1 0 -9 9 1 0 0 1 -8 8 1 0 0 0 -7 7 0 1 1 1 -6 6 0 1 1 0 -5 5 0 1 0 1 -4 4 0 1 0 0 -3 3 0 0 1 1 -2 2 0 0 1 0 -1 1 0 0 0 1 0 0 0 0 0 0 ! tone control sub-treble (select address: 03h) bcst sub-treble cut or boost d2 cut 0 boost 1 sub-treb cut gain (db) boost gain (db) d1 d1 -3 3 1 1 -2 2 1 0 -1 1 0 1 0 0 0 0
njw1141 - 18 - ! typical characteristics -100 -80 -60 -40 -20 0 -80 -70 -60 -50 -40 -30 -20 -10 0 gain vs volume control gain [db] volume control [db] v+=9v, vin(ach)=1vrms,f=1khz, output,rg=600 ? mute 75,25,-20 o c -120 -110 -100 -90 -80 -70 -60 -80 -70 -60 -50 -40 -30 -20 -10 0 output noise vs volume control gain [db] volume control [db] v+=9v, output,bw=400-30khz rg=600 ?, ta=25 o c mute -120 -100 -80 -60 -40 050100 output noise vs temperature output noise [dbv] temparature [ o c] v+=9v, rg=600 ? , bw=400hz-30khz vol=0db vol=mute -100 -80 -60 -40 -20 0 -30 -20 -10 0 10 20 30 gain vs balance control gain [db] balance control [db] v+=9v, vin=1vrms, f=1khz, rg=600 ? vo(ach) 75, 25, -20 o c vo(bch) 75, 25, -20 o c mute -30 -20 -10 0 -10 -20 -30 mute 0 2 4 6 8 10 024681012 supply current vs supply voltage supply current [ma] supply voltage [v] ta=25 o c 4 5 6 7 8 9 10 0 50 100 supply current vs temparature supply current [ma] temparature [ o c] v+=9v
njw1141 -19- ! typical characteristics 0.01 0.1 1 10 100 0.01 0.1 1 thd+n vs input voltage thd+n [ % ] input voltage [vrms] v+=9v, vin(ach), f=1khz, vo(ach)outpu t rg=600 ? , bw=400hz-30khz, vol=-20db 75 o c -20 o c 25 o c 0.01 0.1 1 10 100 0.01 0.1 1 thd+n vs input voltage thd+n [ % ] input voltage [vrms] v+=9v, vin(ach), f=1khz, vo(ach)outpu t rg=600 ?, bw=400hz-30khz, ta=25 o c 0db -30db -20db -10db 0.01 0.1 1 10 100 0.01 0.1 1 thd+n vs output voltage thd+n [ % ] output voltage [vrms] v+=9v, vin(ach), f=1khz, vo(ach)output bw=400hz-30khz, rg=600 ? , ta=25 o c 0db -30db -20db -10db 0.01 0.1 1 10 100 0.01 0.1 1 thd+n vs output voltage thd+n [ % ] output voltage [vrms] v+=9v, vin(ach), f=1khz, vo(ach)outpu t rg=600 ? , bw=400hz-30khz, vol=0db 75 o c -20 o c 25 o c 0 20 40 60 80 100 120 100 1000 10 4 mute level vs frequency mute level [d b] frequency [hz] v+=9v, vin(ach)=1vrms, vol=mute vo(ach)output, rg=600 ? , ta=25 o c 0 20 40 60 80 100 100 1000 10 4 channel separation vs frequency channel separation [db] freqency [hz] v+=9v, vin=1vrms, f=1khz, vo=output rg=600 ? , vol=0db, ta=25 o c vin(ach)-vo(bch) vin(bch)-vo(ach)
njw1141 - 20 - ! typical characteristics -20 -10 0 10 20 100 1000 10 4 gain vs frequency (tone) gain [db] frequency [hz] v+=9v, vin(ach)=0.1vrms,gv:3db steps vo(ach), rg=600 ? , ta=25 o c 0.001 0.01 0.1 1 0.001 0.01 0.1 1 agc control output voltage [vrms] input voltage [vrms] v+=9v, vin(ach+bch), f=1khz, vo(ach)output rg=600 ? , ta=25 o c 300mv 400mv 500mv 600mv off -2 -1 0 1 2 0246810 agc attack time (c:20pin=0.33 f) output voltage [v] time [ms] v+=9v, vin(ach+bch)=1vrms,f=20khz,vo(ach)output agc level=0.3v,rg=600 ?, ta=25 o c -0.2 -0.1 0 0.1 0.2 0 100 200 300 400 500 agc recovery time (c:20pin=0.33 f) output voltage [v] time [ms] v+=9v, vin(ach+bch)=1vrms, f=10khz,vo(ach)output agc level=0.3v,rg=600 ? ,ta=25 o c
njw1141 -21- [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.

▲Up To Search▲

Price & Availability of NJW1141M

	To Download NJW1141M Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .