NTE NTE1005 Datasheet

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 (V

Lamp Driving Current, I

L

Allowable Power Dissipation, PDmax 370mW. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operation Temperature Range, T
Storage Temperature Range, T

1–7

, V

stg

), VCCmax 20V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6–7

opg

–40° to +125°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–20° to +80°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Recommended Operation Condition: (TA = +25°C unless otherwise specified)
Recommended Supply Voltage, V

CC

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 Symbol Test Conditions Min Typ Max Unit

Quiescent Current I
Input Resistance r
Channel Separation Sep 30 45 – dB
Total Harmonic Dist ortion (L + R) THD – 0.3 1.0 %
Input Voltage for Lamp ON V
Output Voltage V
Channel Balance CB – – 2.0 dB
SCA Rejection L + R = 80%, Pilot = 10%, SCA = 10% – 55 – dB

CCO

i

i

O

– 10 16 mA
– 20k – Ω

50 70 100 mV
47 70 100 mV

Pin Connection Diagram

19kHz Tank

Mono/Stereo Switch

Demod Composite

Compensation

Separation Control

1
2

3
4
5
6Stereo Indicator
7GND

14 8

14

Bypass
38kHz Tank

13

Lt Audio Output

12
11

Rt Audio Output
38kHz

10

9

V

CC

8 Bypass

17

.785 (19.95)

Max

.200 (5.08)

Max

.100 (2.45) .099 (2.5) Min

.600 (15.24)

.300 (7.62)