NTE1290 Integrated Circuit AM Tuner for Car Radio Features: D Complete 1–Chip AM Tuner D Good High–Input Characteristics Provided with Automatic Dynamic Range Mag. Control at RF State (THD = 1% Typ. at 130dBµ) D High AGC FOM (63dB Typ) D Good Usable Sensitivity (23dBµ Typ.) D Low Distortion (0.4% Typ. at 74dBµ) D Good Beat Characteristics (3fi beat = 40dB at 108dBµ Input, at fi = 262.5kHz) D Large Two–Signal Selectivity (55dB Typ. at Desired 54dBµ) D Cut–Off Pop Noise at Detuning D Standard Power Supply Voltage Area is 10.8V through 15.6V (13.2V typ) and Local Oscillation Stopping Voltage is Less Than 6V. Absolute Maximum Ratings: (TA = +25°C unless otherwise specified) Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V Power Dissipation (TA = +60°C), PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +70°C Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C Electrical Characteristics: (TA = +25°C, VCC = 13.2V, fc = 1000kHz, fm = 400Hz, Output Power of Power Stage 0.5W, RL = 4Ω unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Unit Current Drain ICC VCC = 13.2V at zero signal – 15 – mA Signal–to–Noise Ratio S/N Input = 34dBµ, 30% MOD. 25.5 30 – dB Output Base at 74dBµ input, Test at the 10dB output down, 30% MOD. 51 63 – dB Input = 11dBµ, 30% MOD. – 0.4 5 % Input at S/N = 20dB, 30% MOD. – 23 – dBµ AGC FOM Total Harmonic Distortion Sensitivity THD Pin Connection Diagram RF Amp Input 1 16 RF Amp Output RF Bypass 2 AGC Bypass 3 15 VCC 14 Converter Input GND 4 13 Low Input 1st Amp Output 5 12 Converter Output 2nd IF Amp Input 6 AGC Bypass 7 11 GND 10 1st IF Amp Input Detector Output 8 16 9 VCC 9 .260 (6.6) Max 1 8 .785 (19.9) Max .300 (7.62) .200 (5.08) Max .245 (6.22) Min .100 (2.54) .700 (17.7)