NTE1482 查看數據表（PDF） - NTE Electronics
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NTE1482 Datasheet PDF : 2 Pages
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NTE1482
Integrated Circuit
PLL FM Stereo Demodulator w/
Pilot Cancel
Features:
D External parts are small. Coil is not used.
D Pilot cancel function built−in.
D Other functions: stereo demodulation, stereo/monaural automatic changeover and stereo indi-
cator lamp driving circuit.
D Stereo indicator lamp lighting and stereo/Monaural changeover operations are synchronous.
D Low distortion by the adoption of 100% local feedback circuit. (0.01% typ., 300mV Monoaural
input.)
D High input impedance (75kΩ typ.)
D High S/N. (86dB typ. 300mV input)
D Distortion factor improved by PLL circuit (0.06% typ. 10kHz, Main−ch input)
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Power Dissipation (TA = +75°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW
Lamp Drive Current, IL
Continuos . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75mA
Peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Electrical Characteristics: (TA = +25°C, VCC = 13V, f = 1kHz, unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input Impedance
Channel Separation
Zin
Sep P = 30mV
L+R = 270mV
30 75 − kΩ
100Hz − 40 − dB
1kHz
35 45 −
dB
Stereo Total Harmonic Distortion
ST, THD
100Hz − 0.04 −
%
1kHz
− 0.02 0.08 %
10kHz − 0.05 −
%
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