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NJW1186 -1- 5.1ch surround processor general description package outline the NJW1186 is an surround processor for 5.1ch speaker system regenarating center, surround and subwoofer channel signal from normal stereo signal input. the NJW1186 contains passive matrix circuit, bpf for center channel, lpf for subwoofer, simulated stereo function for surround channel and trimmers for each channel. all of internal status and variables are controlled by i 2 c bus. it is suitable for tv set, home theater and the others. features operating voltage 7.5 to 13v i 2 c bus interface passive matrix surround circuit trimmer & bpf for center channel trimmer & lpf for subwoofer channel trimmer & simulated stereo function for surround channel bi-cmos technology package outline dmp20 block diagram NJW1186m passive matrix simulated stereo lin rin v+ gnd vref control scl sda lout rout lsout rsout swout cout bias bpf lpf + + cce csu csw
NJW1186 - 2 - pin configuration no. symbol function 1 swout subwoofer channel output 2 swfilin lpf for subwoofer channel 3 sw?out subwoofer channel trimmer output 4 rsout right surround channel output 5 rin right channel input 6 lin left channel input 7 lsout left surround channel output 8 c?out center channel trimmer output 9 cfilin bpf for center channel 10 cout center channel output 11 ps filter for simulated stereo 12 csu pop noise reduction for left surround & right surround channel trimmer 13 sda i 2 c bus data input 14 scl i 2 c bus clock input 15 gnd ground 16 v+ power supply 17 vrefin reference voltage stabilizing capacitor 18 cce pop noise reduction for center channel trimmer 19 csw pop noise reduction for subwoofer channel trimmer 20 filter filter for surround channel 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 swout swfilin sw?out rsout filter csw cce vrefin rin lin lsout c?out v+ cfilin cout gnd scl sda csu ps
NJW1186 -3- . absolute maximum rating (ta=25c) parameter symbol rating unit supply voltage v + 15 v power dissipation p d 350 mw maximum input voltage v im 0 to v+ v operating temperature range topr -40 to +85 c storage temperature range tstg -40 to +125 c recommended operating condition parameter symbol test condition min. typ. max. unit operating voltage v + - 7.5 9.0 13.0 v electrical characteristics (ta=25c, v+=9v, rg=600 ? , r l =47k ? , sim=?0?, srsel=?1? unless otherwise specified) ? power supply parameter symbol test condition min. typ. max. unit supply current i cc no signal - 6 10 ma reference voltage v ref no signal 4.0 4.5 5.0 v ? ac characteristics parameter symbol test condition min. typ. max. unit input impedance ri - 24 - k ? ? center channel output (lin=rin=100mvrms, f=1khz unless otherwise specified) parameter symbol test condition min. typ. max. unit maximum input voltage v imc thd=7% 2.8 3.0 - vrms voltage gain g vc bcc=?0?, c-trim=?0000?, c-mute=?1? -2.0 0 2.0 maximum gain g vmaxc bcc=?1?, c-trim=?1111?, c-mute=?1? 12.5 15.0 17.5 minimum gain g vminc bcc=?0?, c-trim=?1111?, c-mute=?1? - -15.0 - mute level g vmutec c-mute=?0?, lin= 1vrms, rin=0 - -80 -70 db total harmonic distortion thd c bcc=?0?, c-trim=?0000?, c-mute=?1?, bw=400hz to 30khz, lin=rin=500mvrms - 0.1 0.5 % output noise 1 v no1c bcc=?0?, c-trim=?0000?, c-mute=?1?, no signal, a-weighted, rg=0 ? - -94 (19.6) -85 (56.2) output noise 2 v no2c c-mute=?0?, no signal, a-weighted, rg=0 ? - -106 (5.0) -96 (15.8) dbv ( vrms)
NJW1186 - 4 - ? subwoofer channel output (lin=rin=100mvrms, f=1khz unless otherwise specified) parameter symbol test condition min. typ. max. unit maximum input voltage v imw thd=7% 2.8 3.0 - vrms voltage gain g vw bcw=?0?, w-trim=?0000?, w-mute=?1? -2.0 0 2.0 maximum gain g vmaxw bcw =?1?, w -trim=?1111?, c-mute=?1? 12.5 15.0 17.5 minimum gain g vminw bcw =?0?, w -trim=?1111?, w-mute=?1? - -15.0 - mute level g vmutew w-mute=?0?, lin= 1vrms, rin=0 - -80 -70 db total harmonic distortion thd w bcw=?0?, w-trim=?0000?, w-mute=?1?, bw=400hz to 30khz, lin=rin=500mvrms - 0.1 0.5 % output noise 1 v no1w bcw=?0?, w-trim=?0000?, w-mute=?1?, no signal, a-weighted, rg=0 ? - -94 (19.6) -85 (56.2) output noise 2 v no2w w-mute=?0?, no signal, a-weighted, rg=0 ? - -106 (5.0) -96 (15.8) dbv ( vrms) ? left surround channel output (lin= 100mvrms, rin=0, f=1khz unless otherwise specified) parameter symbol test condition min. typ. max. unit maximum input voltage v imls thd=5% 2.8 3.0 - vrms bypass gain g vpassl srsel=bypass, lin=rin=100mvrms -2.0 0 2.0 voltage gain g vls bcs=?0?, s-trim=?0000?, s-mute=?1?, f=100hz -2.0 0 2.0 maximum gain g vmaxls bcs=?1?, s-trim=?1111?, s-mute=?1? , f=100hz 12.5 15.0 17.5 minimum gain g vminls bcs=?0?, s-trim=?1111?, s-mute=?1? , f=100hz - -15.0 - mute level g vmutels s-mute=?0?, lin=1vrms, rin=0 - -80 -70 db total harmonic distortion thd ls bcs=?0?, s-trim=?0000?, s-mute=?1?, bw=400hz to 30khz, lin=500mvrms, rin=0 - 0.1 0.5 % output noise 1 v no1ls bcs=?0?, s-trim=?0000?, s-mute=?1?, no signal, a-weighted, rg=0 ? - -94 (19.6) -85 (56.2) output noise 2 v no2ls s-mute=?0?, no signal, a-weighted, rg=0 ? - -106 (5.0) -96 (15.8) dbv ( vrms)
NJW1186 -5- . ? right surround channel output (lin=0, rin=100mvrms, f=1khz unless otherwise specified) parameter symbol test condition min. typ. max. unit maximum input voltage v imrs thd=5% 2.8 3.0 - vrms bypass gain g vpassr srsel=bypass, lin=rin=100mvrms -2.0 0 2.0 voltage gain g vrs bcs=?0?, s-trim=?0000?, s-mute=?1?, f=100hz -2.0 0 2.0 maximum gain g vmaxrs bcs=?1?, s-trim=?1111?, s-mute=?1? , f=100hz 12.5 15.0 17.5 minimum gain g vminrs bcs=?0?, s-trim=?1111?, s-mute=?1? , f=100hz - -15.0 - mute level g vmuters s-mute=?0?, rin=1vrms, lin=0 - -80 -70 db total harmonic distortion thd rs bcs=?0?, s-trim=?0000?, s-mute=?1?, bw=400hz to 30khz, rin=500mvrms, lin=0 - 0.1 0.5 % output noise 1 v no1rs bcs=?0?, s-trim=?0000?, s-mute=?1?, no signal, a-weighted, rg=0 ? - -94 (19.6) -85 (56.2) output noise 2 v no2rs s-mute=?0?, no signal, a-weighted, rg=0 ? - -106 (5.0) -96 (15.8) dbv ( vrms) bw: band width
NJW1186 - 6 - measurement circuit 14 15 16 19 18 17 13 20 1 2 3 4 5 6 7 8 9 10 11 12 lin cfilin lin c'out cc e filter rsout cs w 0.47f vrefin v+ 4.7nf gn d sw'out swfilin swout rin ps cout sda scl cs u lsout scl sda v+ 1f 1f lsout cout 1f 4.7f 4.7f 1f 0.47f 4.7f 100nf NJW1186 20k ? 20k ? 20k ? swout 4.7f 20k ? rin rsout 1f
NJW1186 -7- . application circuit 1 application circuit 2 ?lpf? unused setting ?bpf? unused setting no connect ?simulated stereo? unused setting no connect ?passive matrix? unused setting 14 15 16 19 18 17 13 20 1 2 3 4 5 6 7 8 9 10 11 12 lin cfilin lin c'out cc e filter rsout cs w 0.47f vrefin v+ gn d sw'out swfilin swout rin ps cout sda scl cs u lsout scl sda v+ 1f 1f lsout cout 1f 4.7f 4.7f 1f 0.47f 4.7f NJW1186 20k ? 20k ? 20k ? swout 4.7f 20k ? rin rsout 1f 14 15 16 19 18 17 13 20 1 2 3 4 5 6 7 8 9 10 11 12 lin cfilin lin c'out cc e filter rsout cs w 0.47f vrefin v+ 4.7nf gn d sw'out swfilin swout rin ps cout sda scl cs u lsout scl sda v+ 1f 1f lsout cout 1f 4.7f 4.7f 1f 0.47f 4.7f 100nf NJW1186 100nf 2.2nf 33k ? 33k ? 33k ? 24k ? 47k ? 3.3nf 3.3nf 4.7f swout rsout rin 1f
NJW1186 - 8 - ! ! ! ! terminal description pin no. symbol function equivalent circuit terminal dc voltage 1 10 swout cout subwoofer channel output center channel output v + /2 2 9 swfilin cfilin lpf for subwoofer channel lpf for center channel - 3 8 sw?out c?out subwoofer channel trimmer output center channel trimmer output v + /2 4 11 20 rsout ps filter right surround channel output filter for simulated stereo filter for surround channel v + /2 swout cout 100 ? swfilin cfilin 8k ? 8k ? sw'out c'out 100 ? 20k ? rsout 30k ? 8k ? 8k ? 8k ? 8k ? 20k ? 100 ? ps 20k ? filter 30k ?
NJW1186 -9- . ! ! ! ! terminal description pin no. symbol function equivalent circuit terminal dc voltage 5 6 rin lin right channel input left channel input v + /2 7 lsout left surround channel output v + /2 12 18 19 csu cce csw pop noise reduction for left surround & right surround channel trimmer pop noise reduction for center channel trimmer pop noise reduction for subwoofer channel trimmer v + /2 13 14 sda scl i 2 c bus data input i 2 c bus clock input - 8k ? 8k ? 48k ? 8k ? 8k ? 8k ? 8k ? 48k ? rin lin lsout 100 ? 8k ? 8k ? 48k ? 10k ? csu cce csw sda scl 4k ?
NJW1186 - 10 - ! ! ! ! terminal description pin no. symbol function equivalent circuit terminal dc voltage 15 16 gnd v+ ground power supply - 17 vrefin reference voltage stabilizing capacitor v + /2 12k ? v+ gnd vrefin 200k ? 200k ?
NJW1186 -11- . definition of i 2 c register i 2 c bus format msb lsb msb lsb msb lsb msb lsb s slave address a data (00h) a data (01h) a data (02h) a p 1bit 8bit 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 0 r/w r/w=0: write mode for register setting r/w=1: not available control register table bit address d7 d6 d5 d4 d3 d2 d1 d0 00h bcs s-trim s-mute sim srsel 01h bcc c-trim c-mute don't care 02h bcw w-trim w-mute don't care control register default value bit 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 - 02h 0 0 0 0 0 0 -
NJW1186 - 12 - i 2 c bus characteristics (sda, scl) i 2 c bus load conditions (standard mode): pull up resistance 4k ? (connected to +5v), load capacitance 200pf (connected to gnd) i 2 c bus load conditions (fast mode): pull up resistance 4k ? (connected to +5v), load capacitance 50pf (connected to gnd) standard mode fast mode parameter symbol min. typ. max. min. typ. max. unit low level input voltage v il 0.0 - 1.5 0.0 - 1.5 v high level input voltage v ih 2.7 - 5.0 2.7 - 5.0 v hysteresis of schmitt trigger inputs v hys - - - 0.25 - - v low level output voltage (3ma at sda pin) v ol 0 - 0.4 0 - 0.4 v output fall time from v ihmin to v ilmax with a bus capacitance from 10pf to 400pf t of - - 250 20 +0.1c b - 250 ns pulse width of spikes which must be suppressed by the input filter t sp - - - 0 - 50 ns input current each i/o pin with an input voltage between 0.1v dd and 0.9v ddmax i i -10 - 10 -10 - 10 a capacitance for each i/o pin c i - - 10 - - 10 pf scl clock frequency f scl - - 100 - - 400 khz hold time (repeated) start condition. t hd:sta 4.0 - - 0.6 - - s low period of the scl clock t low 4.7 - - 1.3 - - s high period of the scl clock t high 4.0 - - 0.6 - - s set-up time for a repeated start condition t su:sta 4.7 - - 0.6 - - s data hold time t hd:dat 0 - 3.45 0 - 0.9 s data set-up time t su:dat 250 - - 100 - - ns rise time of both sda and scl signals t r - - 1000 - - 300 ns fall time of both sda and scl signals t f - - 300 - - 300 ns set-up time for stop condition t su:sto 4.0 - - 0.6 - - s bus free time between a stop and start condition t buf 4.7 - - 1.3 - - s capacitive load for each bus line c b - - 400 - - 400 pf noise margin at the low level v nl 0.5 - - 0.5 - - v noise margin at the high level v nh 1 - - 1 - - v c b ; total capacitance of one bus line in pf. sda scl t f t hd:sta t low t r t hd:dat t high t f t su:dat s s s s t su:sta t hd:sta t sp t su:sto s s s sr r r r t r t buf p p p p s s s s
NJW1186 -13- . i 2 c control command description a) surround channel settings bit address d7 d6 d5 d4 d3 d2 d1 d0 00h bcs s-trim s-mute sim srsel ? bcs: boost or cut select for surround channel trimmer ?0?: cut ?1?: boost ? s-trim: trimmer level for surround channel cut level : -15 to 0db(1db/step) boost level : 0 to +15db(1db/step) ? s-mute: mute for surround channel trimmer ?0?: mute on ?1?: mute off ? sim: simulated stereo function for surround channel ?0?: normal ?1?: wide ? srsel: surround channel signal selector ?0?: bypass (the output signal as same as l/rch input signal.) ?1?: surround settings b) center channel settings bit address d7 d6 d5 d4 d3 d2 d1 d0 01h bcc c-trim c-mute don?t care ? bcc: boost or cut select for center channel trimmer ?0?: cut ?1?: boost ? c-trim: trimmer level for center channel cut level : -15 to 0db(1db/step) boost level : 0 to +15db(1db/step) ? c-mute: mute for center channel trimmer ?0?: mute on ?1?: mute off c) subwoofer channel settings bit address d7 d6 d5 d4 d3 d2 d1 d0 02h bcw w-trim w-mute don?t care ? bcw: boost or cut select for subwoofer channel trimmer ?0?: cut ?1?: boost ? w-trim: trimmer level for subwoofer channel cut level : -15 to 0db(1db/step) boost level : 0 to +15db(1db/step) ? w-mute: mute for subwoofer channel trimmer ?0?: mute on ?1?: mute off
NJW1186 - 14 - surround channel trimmer settings (address: 00h) bcs trimmer cut or boost d7 cut 0 boost 1 s-trim 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 center channel trimmer settings (address: 01h) bcc trimmer cut or boost d7 cut 0 boost 1 c-trim 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
NJW1186 -15- . subwoower channel trimmer settings (address: 02h) bcw trimmer cut or boost d7 cut 0 boost 1 w-trim 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 [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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