NJM2707 ? 1 ? ver.0.1e sound enhancement audio processor for compression audio general description package outline the NJM2707 is a sound enhancement audio processor designed for compression audio. it includes mode control switch (sound enhancement mode / bypass mode). the NJM2707 performs low noise and low distortion characteristics, and is suitable for car audio & home audio applications. features ! operating voltage +1.8 to +13 v ! low operating circuit 0.75 ma typ.( at sound enhancement mode vr: max.) ! low output noise -100dbv typ.( at sound enhancement mode vr: max.) ! low thd 0.01% typ. ! variable surround effect by external resistor ! internal mode control switch ! bipolar technology ! package outline tvsp10 pin configuration block diagram (tvsp10) NJM2707rb2 1. lin 2. rin 3. sw 4. vref 5. gnd 6. v+ 7. nfr 8. nfl 9. rout 10. lout 1 2 3 4 5 10 9 8 7 6 1 2 3 4 5 8 7 6 bypass rebirth filter bypass rebirth filter 10 9 v + gnd nf r nfl rout lout s w v ref v + rin lin
NJM2707 ? 2 ? absolute maximum rating (ta=25 c) parameter symbol rating unit power supply voltage v + 14 v power dissipation p d 410 note: eia/jedec standard test board (76.2x114.3x1.6mm, 2layer, fr-4) mounting mw operating temperature range topr -40 ~ +85 c storage temperature range tstg -40 ~ + 125 c operating voltage parameter symbol test condition min. typ. max. unit operating voltage v + 1.8 9.0 13 v electrical characteristics (ta=25 c, v + =9v, unless otherwise specified) test condition input parameter symbol l r output mode vr min typ max unit 0 0 - bypass - - 0.75 1.3 supply current i cc no signal 0 0 - eala rebirth max - 0.75 1.3 ma reference voltage v ref no signal 0 0 - - - 3.65 4.15 4.65 v ac characteristics (ta=25 c, v + =9v, vin= 1.5vrms,f=1khz,r l =10k ? ,unless otherwise specified) test condition input parameter symbol l r output mode vr min typ max unit v in - l f=1khz thd=1% - v in r bypass - 2.2 3.0 - v in - l f=1khz thd=1% - v in r eala rebirth max 1.5 2.7 - v in - l f=10khz thd=1% - v in r bypass - 2.2 3.0 - v in - l maximum input voltage v im f=10khz thd=1% - v in r eala rebirth max 1.0 1.6 - vrms l rg=0 ? a-weighted 0 0 r bypass - - -112 (2.5) -106 (5.0) l output noise v no rg=0 ? a-weighted 0 0 r eala rebirth max - -100 (10) -94 (20) dbv (vrms) v in - l v in =1.5vrms f=1khz - v in r bypass - - 0.002 0.01 v in - l to t a l harmonic distortion thd+n v in =0.75vrms f=10khz - v in r eala rebirth max - 0.1 - % v in - l bypass gain g vbyp v in =1.5vrms f=1khz - v in r bypass - -1.0 0.0 1.0 db
NJM2707 ? 3 ? test condition input parameter symbol l r output mode vr min typ max unit v in - l eala rebirth gain g eala v in =0.75vrms f=10khz - v in r eala rebirth max 3.0 5.0 7.0 db control characteristics (ta=25 c, v + =9v, unless otherwise specified) parameter symbol test condition min. typ. max. unit v in =high level 1.2 - v + v mode select control voltage v mode v in =low level 0.0 - 0.3 v switch function mode sw notes bypass l,open input through eala rebirth h eala rebirth(stereo input)
NJM2707 ? 4 ? application circuit 1 2 3 4 5 10 9 8 7 6 + + + + 10uf 10uf 10uf 10uf rch input lch input rch output lch output + 100uf +9v v+ sw vref lout rout nfr nfl lin rin gnd 100k ? 2.2nf 22k ? 1uf + + 1uf sw vr:10k ? max min
NJM2707 ? 5 ? terminal description (ta=25 c, v + =9v) pin no. symbol function equivalent circuit voltage 1 2 lin rin lch input rch input 700 v+ v+ 100k vref v+ 4.15v 3 mode sw mode control switch 700 300k v+ v+ v+ 0v 4 vref reference voltage 300k v+ v+ v+ 300k 4.15v
NJM2707 ? 6 ? terminal description (ta=25 c, v + =9v) pin no. symbol function equivalent circuit voltage 6 v+ power supply v+ 7 8 nfr nfl rch filter terminal lch filter terminal v+ v+ 400 20k 4.15v 9 10 rout lout rch output lch output v+ v+ v+ v+ 12k 20k 4.15v [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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