NJM2160B ? 1 ? dual boost amplifier general description the NJM2160B is a dual boost amplifier designed for car audio system. it expands the frequency characteristics by high slew rate. it can swing 14v peak-to-peak output voltage at 9v. it consists of two channel non-inverting amplifier with the gain of 8db. it is suitable for car audio system and other boost amplifier system. features operating voltage (6 to 12v) operating current (6ma typ. ) boost output function (v o =14vpp:@v + =9v) maximum output voltage (3.5v typ., @ f=30khz ) supply voltage rejection ratio (50db typ. ) total harmonic distortion (0.003% typ. ) noise output voltage (6 vrms typ. ) bipolar technology package outline dmp16 , ssop16 block diagram package outline NJM2160Bm NJM2160Bv 24k 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 vref vref 24k 36k 36k
NJM2160B ? 2 ? pin function absolute maximum ranges (ta=25c) parameter symbol range unit supply voltage v + +15 v output current i o 20 ma power dissipation p d 300 mw operating temperature topr -40 to +85 c storage temperature tstg -40 to +125 c 1 8 9 16 pin number pin name pin function 1 v ccl power supply for left channel 2 +lin +input of left channel 3 crpl capacitance for left channel ripple rejection 4 -lin -input of left channel 5 -rin -input of right channel 6 crpr capacitance for right channel ripple rejection 7 +rin -input of right channel 8 v ccr power supply for right channel 9 +cr capacitance for +level-shift right channel 10 -cr capacitance for -level-shift right channel 11 gndr ground for right channel 12 r out output of right channel 13 l out output of left channel 14 gndl ground for left channel 15 -cl capacitance for -level-shift left channel 16 +cl capacitance for +level-shift left channel
NJM2160B ? 3 ? electrical characterristic (v + =9v,ta=25c) parameter symbol test condition min. typ. max. unit dc characterristic operating voltage v + 6.0 9.0 12.0 v operating current i cc no signal - 6.0 8.0 ma output voltage v odc - 7.8 - v ac characterristic (f=1khz , r l =10k ? ) voltage gain av 7.5 8.0 8.5 db channel separation cs r s =600 ? , v o =1vrms 70 75 - db channel balance bal - - 0.5 db roll-off low frequency f rl -1db - - 5 hz roll-off high frequency f rh -1db 20 50 - khz input resistance r in 22 30 38 k ? output resistance r out - - 10 ? maximum output voltage 1 v om1 thd=0.1%, f = 1khz 5.0 5.2 - vrms maximum output voltage 2 v om2 thd=0.1%, f = 30khz - 3.5 - vrms noise output voltage v no rs=600 ? , a-weighting - 6 10 vrms thd1 f=1khz , v o =3vrms, a-weighting - 0.003 0.01 % total harmonic distortion thd2 f=17hz to 20khz , v o =3vrms - 0.01 - % svr1 rs=600 ? , f=1khz , v rp =100mvrms 55 - - db supply voltage rejection ratio svr2 rs=600 ? , f=20hz to 20khz , v rp =100mvrms - 50 - db
NJM2160B ? 4 ? application circuit [caution] the specifications on this data book are only given for information, without any guarantee as regards either mistakes or omissions. the application circuits in this data book 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. 24k v + v + 22uf 10k 10k 100nf 36k 100uf 100nf 47uf 100uf 24k 36k 24k 22uf 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 vref vref 1.5nf 1.5nf 22uf 22uf v + v + lout lin rin 24k 36k 36k
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