CXA1870 データシートの表示（PDF） - Sony Semiconductor

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CXA1870

Color TV Y/C/Jungle

Sony Semiconductor 

CXA1870S

Color TV Y/C/Jungle

For the availability of this product, please contact the sales office.

Description

The CXA1870S is a bipolar IC which integrates the

42 pin SDIP (Plastic)

NTSC color TV luminance signal processing,

chroma signal processing, sync signal processing,

and RGB signal processing onto a single chip.

Features

• I2C bus compatible. Various types of adjustments

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

Absolute Maximum Ratings (Ta=25 °C)

• Supply voltage

VCC

12

V

• Operating temperature Topr –20 to +75 °C

• Storage temperature

Tstg –65 to +150 °C

• Allowable power dissipation

PD

1.73 W

Recommended Operating Conditions

Supply voltage

VCC

9±0.5

V

Applications

• Color TV

Structure

Bipolar silicon monolithic IC

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by

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.

—1—

E95431-TE

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