NTE1043 Integrated Circuit Audio Amplifier for Tape Recorder Features: D No Transformer Required thanks to Complementary Output Circuit D Excellent Equalizer Characteristics D Low–Distortion Recording even if Volumeless because of AGC Circuit Wide Dynamic Range D Wide Supply Voltage Range: VCC ≥ 4V Absolute Maximum Ratings: TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V Power Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW Pin9 Current (Note 1), I9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30mA Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –10° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Note 1. I9 is the current to flow into Pin9. Electrical Characteristics: (VCC = 6V, RL = 4Ω, f = 1kHz, TA = +25°C, with output transistors, unless otherwise specified) Parameter Symbol Quiescent Current Min Typ Max Unit 10 15 20 mA (Play) 0.8 1.0 – W (Play) – 85 – dB Pout = 100mW (Play) – 0.5 1.8 % Rg = 0 (Play) – 17 30 mV (Play) 10 20 – kΩ 10 35 – kΩ IO Output Power POmax Voltage Gain Gv Total Harmonic Distortion Output Noise Voltage Input Resistance Test Conditions THD Vn Preamp THD = 10% Rin Drive Amp AGC Ratio Ratio AGC Vin = –70dBm → –30dBm – 30 – dB AGC Total Harminic Distortion THD AGC Vin = –30dBm (Rec) – 1 – % (Play) 4 – – V Minimum Operating Voltage VCCmin Pin Connection Diagram AF Input 1 14 Bypass Record/Playback Circuit 2 13 GND Record/Playback Circuit 3 12 Bypass GND 4 11 AF Driver Input Record/Playback Circuit 5 10 VCC Record/Playback Circuit 6 9 AF Output Feedback Circuit 7 8 GND 14 8 1 7 .785 (19.95) Max .300 (7.62) .200 (5.08) Max .100 (2.45) .600 (15.24) .099 (2.5) Min