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PDF NTE7050 Data sheet ( Hoja de datos )
| Número de pieza | NTE7050 | |
| Descripción | Integrated Circuit Phase Lock Loop (PLL) Stereo Decoder | |
| Fabricantes | NTE Electronics | |
| Logotipo |  |
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NTE7050
Integrated Circuit
Phase Lock Loop (PLL) Stereo Decoder
Description:
The NTE7050 is a Phase Lock Loop (PLL) stereo decoder with cassette head amplifiers in a 16–Lead
DIP type package designed especially for car radios. This device has SDS circuitry where fluctuating
signal strength can cause demodulation noise and distortion. The stereo decoder is compensated
for a typical IF filter with a roll–off frequency of 50kHz (2dB down at 38kHz).
Features:
D A Voltage–Controlled Oscillator
D A Pilot Presence Detector and an Automatic Mono/Stereo Switch
D A Matrix and Two Amplifiers for the Left and Right Output Signal
D Two Output Buffers with 10dB Gain and Low Output Impedance
D Mute Circuit
D A Source Selector for Radio or Cassette
D An Input Amplifier of which the Gain can be Adjusted by means of an External Input Resistor
D A Pilot Cancelling Circuit for an Extra Suppression of the Pilot Signal of 15dB
D An Signal Dependent Stereo (SDS) Circuit for a Smooth Change Over from Stereo to Mono at
Weak Tuner Input Signals
Absolute Maximum Ratings:
Supply Voltage (Pin3 and Pin9), V3–5, V9–5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
LED Driver (Peak Current), I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75mA
Total Power Dissipation (TA = +25°C), PTOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6W
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +80°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Thermal Resistance, Junction–to–Ambient, RthJA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75°C/W
Recommended Operating Characteristics: (All voltages with reference to Pin5)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Operating Supply Voltage
VCC
7.0 8.5 16.0 V
1 page  
Pin Connection Diagram
Cassette Input
(R) Stereo
DEC Output
LED Driver
1
2
3
SDS Control 4
GND 5
Pilot Cancel/ 6
Level Control
VCOOFF 7
OSC 8
16 (R) Output
15 MUX Input
14 (L) Stereo
DEC Output
13 Cassette Input
12 (L) Output
11 Mute
10
Radio/Cassette
Switch
9 VCC
16 9
18
.870 (22.0) Max
.200 (5.08)
Max
.260 (6.6)
Max
.100 (2.54)
.700 (17.78)
.099 (2.5) Min
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NTE7050.PDF ] | |
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