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E95431-TE

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any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the

operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

Absolute Maximum Ratings (Ta=25 °C)

• Supply voltage

12

V

• Operating temperature

Topr

–20 to +75

°C

• Storage temperature

Tstg –65 to +150 °C

• Allowable power dissipation

1.73

W

Recommended Operating Conditions

Supply voltage

9±0.5

V

Description

The CXA1870S is a bipolar IC which integrates the

NTSC color TV luminance signal processing,

chroma signal processing, sync signal processing,

and RGB signal processing onto a single chip.

Features

and user controls performed with two bus lines

SCL and SDA.

• H and V oscillation frequencies made non-

adjusting with a countdown system.

• Non-adjusting Y system filters (chroma trap, delay

line)

• Built-in V picture distortion correction circuit

• Built-in delay line aperture compensation

• Auto cut-off function for automatic CRT cut-off

adjustment and compensation for changes with

time

• Multiple inputs

Composite video:

2 systems

(Built-in 2-input, 1-output video switch)

Y/C separation input:

1 system

On screen display input: 1 system

Applications

• Color TV

Structure

Bipolar silicon monolithic IC

Color TV Y/C/Jungle

42 pin SDIP (Plastic)

CXA1870S

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