NTE NTE1005

NTE1005
Integrated Circuit
FM Stereo Demodulator
Functions:
Composite signal amp., doubler, decoder, separation controller, and lamp driver
Features:
D 19kHz and 38kHz Coils
D SCA Rejection Ratio: 50dB
D No Special Adjusting Needed for SCA Rejecting
D Also Seperation Controller
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Supply Voltage (V1–7, V6–7), VCCmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V
Lamp Driving Current, IL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Allowable Power Dissipation, PDmax . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 370mW
Operation Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +80°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –40° to +125°C
Recommended Operation Condition: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, VCC
Without 1500p at Pin2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 to 12V
With 1500p at Pin2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7.5 to 12V
Electrical Characteristics: (TA = +25°C, VCC = 9V, RL = 2.2kΩ, Input 100mV, f = 1kHz,
L + R = 90%, pilot = 10% unless otherwise specified)
Parameter
Quiescent Current
Symbol
Test Conditions
Min Typ Max Unit
ICCO
–
10
16
mA
ri
–
20k
–
Ω
Channel Separation
Sep
30
45
–
dB
Total Harmonic Distortion (L + R)
THD
–
0.3
1.0
%
Input Voltage for Lamp ON
Vi
50
70
100
mV
Output Voltage
VO
47
70
100
mV
Channel Balance
CB
–
–
2.0
dB
–
55
–
dB
Input Resistance
SCA Rejection
L + R = 80%, Pilot = 10%, SCA = 10%
Pin Connection Diagram
19kHz Tank 1
14 Bypass
Mono/Stereo Switch 2
13 38kHz Tank
Demod Composite 3
12 Lt Audio Output
Compensation 4
11 Rt Audio Output
Separation Control 5
10 38kHz
Stereo Indicator 6
9 VCC
GND 7
8 Bypass
14
8
1
7
.785 (19.95)
Max
.300 (7.62)
.200 (5.08)
Max
.100 (2.45)
.600 (15.24)
.099 (2.5) Min