NTE NTE1541 Integrated circuit fm if amp & detector for car radio Datasheet

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
12
15
V
Output Pin (Pin 7) DC Voltage
V7
3.7
−
5.2
V
Demodulated Output
VO
VIN = 80dBμ
400
−
600
mVrms
Input Limiting Voltage
VIN(lim)
−3dB limiting
−
50
55
dBμ
Total Harmonic Distortion
THD
VIN = 80dBμ
−
0.2
0.3
%
Signal−to−Noise Ratio
S/N
70
80
−
dB
AM Rejection Ratio
AMR
47
53
−
dB
Output Resistance
RO
6.2
7.7
9.5
kΩ
f = 400Hz
Pin Connection Diagram
7
Demod Output
6
Detector Tank
5
Detector Tank
4
GND
3
VCC
2
Bypass
1
IF Input
.862 (21.8)
.118
(3.0)
.039
(1.0)
.059 (1.5)
.117
(4.5)
1
7
.110 (2.8)
.009
(0.22)
.047 (1.19)
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