NTE1290 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit AM Tuner for Car Radio

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: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Power Dissipation (T_A = +60°C), P_T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550mW
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics: (T_A = +25°C, V_CC = 13.2V, f_c = 1000kHz, f_m = 400Hz, Output Power
of Power Stage 0.5W, R_L = 4Ω unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Current Drain
Signal–to–Noise Ratio
I_CC V_CC = 13.2V at zero signal
S/N Input = 34dBµ, 30% MOD.
– 15
25.5 30
– mA
– dB
AGC FOM
Output Base at 74dBµ input, Test at the 51 63 – dB
10dB output down, 30% MOD.
Total Harmonic Distortion
THD Input = 11dBµ, 30% MOD.
– 0.4 5 %
Sensitivity
Input at S/N = 20dB, 30% MOD.
– 23 – dBµ