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NTE1541

Integrated Circuit FM IF Amp & Detector for Car Radio

NTE Electronics 

NTE1541

Integrated Circuit

FM IF Amp & Detector for Car Radio

Features:

D FM IF amplifier and limiter

D Demodulated output: 600mVrms (Max.)

D Total harmonic distortio: 0.3% (Max.)

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Maximum Supply Voltage, VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V

Maximum Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7Vrms

Allowable Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW

Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +80°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −40° to +125°C

Note 1. Derate by 4mW per 1°C when used at temperatures above +25°C.

Recommended Operating Conditions: (TA = +25°C unless otherwise specified)

Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V

Electrical Characteristics: (TA = +25°C, VCC = 12V, f = 10.7MHz, fm = 400Hz 100% Modulation)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Current Drain

Output Pin (Pin 7) DC Voltage

Demodulated Output

Input Limiting Voltage

Total Harmonic Distortion

Signal−to−Noise Ratio

ICC

V7

VO

VIN(lim)

THD

S/N

VIN = 80dBμ

−3dB limiting

VIN = 80dBμ

8 12 15 V

3.7 − 5.2 V

400 − 600 mVrms

− 50 55 dBμ

− 0.2 0.3 %

70 80 − dB

AM Rejection Ratio

AMR

47 53 − dB

Output Resistance

RO f = 400Hz

6.2 7.7 9.5 kΩ

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