NTE1575 Integrated Circuit B/W TV Sound IF Amplifier Features: D Supply Voltage Range: VCC = 3V to 8V Applications: D Voice IF Amplifier D Discriminator Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage (Note 1), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8V Power Dissipation (TA = +75°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW OPerating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Note 1. Recommended Operating Voltage is 5.5V Typ. Electrical Characteristics: (VCC = 5.5V, fo = 4.5MHz, ∆f = ±25kHz, fm = 1kHz, TA = +25°C unless otherwise specified) Parameter Quiescent Current Total Harmonic Distortion –3dB Sensitivity Limit Symbol Test Conditions IQ Min Typ Max Unit 13.9 17.0 21.8 mA eo Vin = 100dBµ 160 270 400 mVrms THD Vin = 100dBµ – 0.3 1.0 % – 20.0 37.5 Vin(lim) AM Rejection Ratio AMR Signal–to–Noise Ratio S/N Vin = 60dBµ, f = 1kHz, MOD = 30% dBµ 35 – – dB – 55 – dB Pin Connection Diagram Sound IF Input 1 14 VCC Compensation 2 13 GND Feedback 3 12 Sound IF Output VCC 4 11 Detector Coil Test Point 5 10 Output N.C. 6 9 N.C. GND 7 8 AF Input 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