NTE1626 integrated circuit 4.2w dual audio power amplifier description: the NTE1626 is a dual audio power amplifier in a 12 ? lead sip type package designed for use in a stereo radio cassette. this device has two audio power amplifiers and each of the two provides 4.2w power at 12v/4 ? . features: high output power: 4.2w/ch (typ) v cc = 12v, r l = 4 ? 5.0w/ch (typ) v cc = 12v, r l = 3 ? 2.2w/ch (typ) v cc = 9v, r l = 4 ? 3.0w/ch (typ) v cc = 9v, r l = 3 ? wide operating voltage range: v cc = 5 to 16v no shock noise at power supply switch on & off soft clipping wave form high ripple rejection ratio: r.r.r. = 50db (typ) thermal shutdown circuit is built in absolute maximum ratings: (t a = +25 c unless otherwise specified) supply voltage (no signal), v cc1 20v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . supply voltage (operating), v cc2 16v . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . allowable power dissipation (note 1), p d 13w . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . operating temperature range, t opt ? 20 to +75 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . storage temperature range, t stg ? 40 to +150 c . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . note 1 100 x 100 x 2mm 3 al heat sink recommended operating conditions: (t a = +25 c unless otherwise specified) parameter symbol test conditions min typ max unit supply voltage v cc 5 12 16 v load impedance r l 3 4 8 ? electrical characteristics :(v cc = 12v, r l = 4 ? , f = 1khz, t a = +25 c, 100 x 100 x 2mm al panel heat sink unless otherwise specified) parameter symbol test conditions min typ max unit circuit current i cc no signal 20 45 90 ma voltage gain a v p o = 1w 42 45 48 db
electrical characteristics (cont?d) :(v cc = 12v, r l = 4 ? , f = 1khz, t a = +25 c, 100 x 100 x 2mm al panel heat sink unless otherwise specified) parameter symbol test conditions min typ max unit output power p o thd = 10% v cc = 9v, r l = 4 ? 1.8 2.2 ? w thd = 10% v cc = 9v, r l = 3 ? 2.5 3 ? w thd = 10% v cc = 12v, r l = 4 ? 3.2 4.2 ? w thd = 10% v cc = 12v, r l = 3 ? 4 5 ? w total harmonic distortion thd p o = 1w ? 0.2 1 % output noise voltage nl r g = 10k ? ? 0.6 2 mv rms cross talk ct p o = 1w, oth. ch. r g = 10k ? 45 55 ? db ripple rejection rr r g = 0, f = 100hz, v = 0.3v rms 40 50 ? db input impedance z in 30 50 ? k ? v cc discriminator bu gnd input bv vhf high/low output 9 8 7 6 bm 5 4 3 2 1 pin connection diagram (front view) 1.260 (32.0) max .945 (24.0) .100 (2.54) .099 (2.5) .070 (1.78) r typ 112 .590 (14.9) .512 (13.0) .256 (6.5) .197 (5.0) max
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