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TDA1592

PLL stereo decoder and noise blanker

Philips Electronics 

Philips Semiconductors

PLL stereo decoder and noise blanker

Preliminary specification

TDA1592

FEATURES

• Adjustment-free voltage controlled PLL oscillator for

ceramic resonator (f = 456 kHz)

• Pilot signal dependent mono/stereo switching

• Analog control of mono/stereo change over

[stereo blend, Stereo Noise Controller (SNC)]

• Adjacent channel noise suppression (114 kHz)

• Pilot canceller

• Analog control of de-emphasis; High Cut Control (HCC)

• Reduced and controlled de-emphasis for AM operation

(pin 7 to GND)

• Applicable as source selector for AM/FM/cassette

switching

• Soft mute for silent tuning

• Separate interference noise detector

• Integrated input low-pass filter for delayed noise

blanking

• Noise blanking at MPX-demodulator outputs.

GENERAL DESCRIPTION

The TDA1592 is a monolithic bipolar integrated circuit

providing the stereo decoder function and noise blanking

for FM car radio applications.

The device operates in a power supply range of

7.5 to 12 V.

QUICK REFERENCE DATA

SYMBOL

VP

IP

Vo(rms)

THD

S/N

αcs

Vtrigg

PARAMETER

supply voltage (pin 5)

supply current

audio output signal (RMS value)

total harmonic distortion

signal-to-noise ratio

channel separation

interference voltage trigger level

MIN.

7.5

−

800

−

−

30

−

TYP.

10

15

900

0.1

82

40

10

MAX.

12

20

1 000

0.3

−

−

−

UNIT

V

mA

mV

%

dB

dB

mV

ORDERING INFORMATION

TYPE

NUMBER

TDA1592

TDA1592T

NAME

DIP20

SO20

PACKAGE

DESCRIPTION

plastic dual in-line package; 20 leads (300 mil)

plastic small outline package; 20 leads; body width 7.5 mm

VERSION

SOT146-1

SOT163-1

1996 May 31

2

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