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CXA2019

NTSC/PAL Chroma Decoder

Sony Semiconductor 

NTSC/PAL Chroma Decoder

CXA2019AQ

Description

The CXA2019AQ is a bipolar IC which integrates

the luminance signal processing, chroma signal

processing, and sync signal processing functions for

NTSC/PAL system color TVs onto a single chip.

40 pin QFP (Plastic)

Features

• Sub picture bright and white balance can be

adjusted by using the main picture Y/C/J BGP

output as the timing pulse

• I2C BUS compatible; two bus lines (SCL, SDA)

allow various adjustments and user controls

• Countdown system eliminates need for H and V

oscillator frequency adjustment

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

line)

• Automatic identification of color system (forced

control possible)

• Automatic identification of 50/60Hz vertical frequency

(forced control possible)

• Built-in delay line aperture correction

• Built-in dynamic picture (black expansion) function

• Combination with a non-adjusting SECAM chroma

decoder allows configuration of multiple systems

Applications

Color TVs

Structure

Bipolar silicon monolithic IC

Absolute Maximum Ratings

(Ta = 25°C, SGND, JGND = 0V)

• Supply voltage

VCC

12

V

• Operating temperature

Topr –20 to +75 °C

• Storage temperature

Tstg –65 to +150 °C

• Allowable power dissipation PD

1.67 W

Operating Conditions

Supply voltage

VCC 9 ± 0.5 V

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–

E98320-PS

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