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
ICC
8
3.7
400
−
12
−
15
V
V
Output Pin (Pin 7) DC Voltage
Demodulated Output
Input Limiting Voltage
Total Harmonic Distortion
Signal−to−Noise Ratio
AM Rejection Ratio
V7
5.2
VO
VIN = 80dBμ
−
600 mVrms
VIN(lim) −3dB limiting
50
0.2
80
53
7.7
55
0.3
−
dBμ
%
THD
S/N
−
VIN = 80dBμ
70
47
6.2
dB
dB
kΩ
AMR
RO
−
Output Resistance
f = 400Hz
9.5