Electrical Characteristics: (TA = +25°C, VCC = 12V, VIN = 350mV, L + R = 90%, Pilot = 10%,
f = 1kHz unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Input Voltage
Input Impedance
Channel Separation
VIN1 THD = 1%, L + R = 90%, P = 10% 350 –
VIN2 THD = 1%
350 –
Zin
– 30
Sep
35 40
– mV
– mV
– kΩ
– dB
Output Voltage
Channel Balance
VOUT VIN = 350mV
CB
– 310 – –
– – 2 dB
Total Harmonic Distortion
THD
– 0.3 – %
Lamp Voltage
Lon Pilot Level
– 6.5 – mV
Hysteresis
Hys
– 3 – dB
Capture Range
CR
– ±5 – %
Carrier Leak
CL f = 19kHz
– 35 – dB
f = 38kHz
– 45 – dB
SCA Rejection Ratio
SCA–R L + R = 80%, P = 10%, SCA = 10% – 80 – dB
Threshold Voltage
VTH
Supply Voltage
VCC
Quiescent Current
IQ
–1–V
5.4 – 14 V
– 15 – mA
Pin Connection Diagram
VCC 1
Demodulate FM Input 2
Demodulate FM Input 3
Lt Audio Output 4
Rt Audio Output 5
Stereo Indicator Lamp 6
GND 7
Separation Control 8
16 VCO Frequency Control
15 Phase Det Output to VCO
14 Phase Det Output to VCO
13 Phase Det Input
12 19kHZ Test Point
11 Phase Det Output to Switch
10 Phase Det Output to Switch
9 IF Muting Circuit