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| Datasheet File OCR Text: |
| NTE1228 Integrated Circuit Audio Power Amp, 2.1W Features: D AF Output Power D Sufficient Regulation Under Dry Battery Operation Absolute Maximum Ratings: (TA = +25C unless otherwise specified) Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13V Allowable Power Dissipation, Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W Allowable Power Dissipation (Note 1), Pdmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.25W Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20 to +70C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40 to +150C Note 1. With 50 x 50mm2 printed board for radiator. Recommended Operation Condition: (TA = +25C unless otherwise specified) Recommended Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V Load Resistance, RL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4,8 Electrical Characteristics: (TA = +25C, VCC = 9V, RL = 4, f = 1kHz unless otherwise specified) Parameter Quiescent Current Voltage Gain Output Power Total Harmonic Distortion Input Resistance Output Noise Voltage Symbol ICCO VG PO THD ri VNO Rg = 10k Rg = 0 Open Loop At Appointed Circuit THD = 10%, RL = 4 THD = 10%, RL = 8 PO = 250mW Test Conditions Min - - 42 1.3 - - 12k - - Typ 15 70 45 2.1 1.4 0.5 20k - - Max 25 - 48 - - 1.5 - 3 1.0 Unit mA dB dB W W % mV mV Pin Connection Diagram Audio Output 1 N.C. 2 GND 3 Equalization Feedback Network 4 Equalization Feedback Network 5 Series RC Network 6 N.C. 7 14 VCC 13 Ripple Filter Capacitor 12 Ripple Filter Capacitor 11 N.C. 10 Ripple Filter Capacitor 9 Audio Input 8 N.C. .099 (2.52) 14 8 .252 (6.45) 1 .082 (2.1) Dia 7 .265 (6.5) .748 (19.0) .300 (7.62) .167 (4.26) .100 (2.54) .236 (6.0) .137 (3.5) |
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