NTE1612 Integrated Circuit AF PO, 0.7W for Battery Use Features: D Wide Operating Voltage (2V to 6V) D Power Amplifier has High Output (430mW), Low Noise (0.25mVRMS) and Low Distortion (0.4%) D Maximum Output can be 700mW D High Ripple Rejection Ratio (typically 46dB) D Very Low High–Frequency Distortion and a Sort Cuppea Wave Form make this a Superior Audio Amplifier D Built–In Power Switching Circuit Applications: D Portable Radio D Television D Cassette Tape Recorder D Intercoms Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Power Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9V Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 950mW Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.5mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10° to +65°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +125°C Electrical Characteristics: (TA = +25°C, VCC = 6V, RL = 8Ω, f = 1kHz unless otherwise specified) Parameter Quiescent Current Symbol IO Test Conditions Min Typ Max Unit VIN = 0Vrms – 12 24 mA Voltage Gain (Close Circuit) GVC RNFC = 47Ω, VIN = 2.5mVrms 48 52 54 dB Maximum Output POM VIN = 25mVrms 600 700 – mW Rated Output POUT THD = 10% 350 430 – mW Total Harmonic Distortion THD PO = 50mW – 0.4 2 % Output Noise Voltage VNO Rg = 0Ω – 0.25 0.7 mVrms Input Resistance RIN PO = 50mW – 22 – kΩ Pin Connection Diagram (Front View) 9 Ripple Filter 8 Input 7 NFB 6 Filter Current 5 GND 4 Output 3 VCC 2 Phase 1 Phase .110 (2.8) .870 (22.0) .235 (6.0) 1 9 .195 (5.0) .100 (2.54) .800 (20.32) .012 (0.30)