NTE NTE1565

NTE1565
Integrated Circuit
Phase Lock Loop (PLL) FM Demodulator
for Portable Car Radio
Features:
D Phase Locked Loop System
D Wide Operating Supply Voltage Range
D Automatic Stereo/Monaural Switching when supply voltage goes down. No shock Noise is
generated at ST/Mono switching.
D Lamp−lighting corresponds to the ST/Mono switching
Functions:
D Stereo Demodulator
D Automatic ST/Mono Switching Circuit
D Indicator Lamp Driver
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Lamp Driving Current, IC
Constant . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75mA
Peak . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Electrical Characteristics:(TA = +25°C, VCC = 9V, P = 20mV, L+R = 180mV, f = 1kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Quiescent Current
ICC
−
10
−
mA
Input Impedance
Zin
23.5
50
−
kΩ
Channel Separation
Sep
f = 100Hz
−
40
−
dB
f = 1kHz
30
50
−
dB
f = 10kHz
−
40
−
dB
−
0.2
−
%
−
170
−
mV
1.5
0.5
1.5
dB
−
0.3
−
%
4
7
10
mV
Stereo Total Harmonic Distortion
ST THD
Output Voltage
Vout
Channel Balance
CB
Monaural Total Harmonic Distortion
Lamp−ON Level
Mono
THD
Lon
Vin = 200mV
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
−
4
−
dB
19kHz
−
32
−
dB
38kHz
−
35
−
dB
SCA = 20mV, fsca = 67kHz
−
75
−
dB
Lamp ON/OFF Hysteresis
Carrier Leak
CL
SCA Rejection Ratio
SCA Rej
Signal to Noise Ratio
S/N
Rg = 4.7kΩ
−
82
−
dB
Capture Range
CR
P = 20mV
−
4
−
%
P = 10%, L+R = 90%,
THD ≤ 2%
−
450
−
mV
Max. Input Voltage
Vin max
Pin Connection Diagram
B+
1
16 DC Amp
VIN
2
15 RC Network
0.047µF Capacitor
3
14 RC Network
Decoder
4
13
Decoder
5
12 19kHz Monitor
Stereo Indicator Lamp
6
11
GND
7
10 Coupling Capacitor
Decoder Adjust
8
9
16
0.047µF Capacitor
Coupling Capacitor
IF Level Detect Input
9
.260 (6.6) Max
1
8
.300
(7.62)
.785 (19.9)
Max
.200 (5.08)
Max
.245
(6.22)
Min
.100 (2.54)
.700 (17.7)