TDA8772HSLASH3 datasheet(2/20 Pages) PHILIPS

2 / 20 page

1997 Mar 06

Philips Semiconductors

Product speciﬁcation

Triple 8-bit video digital-to-analog

converter

TDA8772

FEATURES

• 8-bit resolution

• Sampling rate up to:

– 35 MHz for TDA8772H/3

– 85 MHz for TDA8772H/8

• Internal reference voltage regulator

• No deglitching circuit required

• SYNC, BLANK control inputs

• 3 independent clock inputs (one per DAC)

• 1 V output voltage range

• 75 Ω output load

• TDA8772 has BLANK control on the 3 channels

• Single 5 V power supply

• 44-pin QFP package.

APPLICATIONS

• General purpose high-speed digital-to-analog

conversion

• Digital TV

• Graphic display

• Desktop video processing.

GENERAL DESCRIPTION

The TDA8772 is a triple 8-bit video Digital-to-Analog

Converter (DAC). It converts the digital input signals into

analog voltage outputs at a maximum conversion rate of

35 MHz (TDA8772H/3) and 85 MHz (TDA8772H/8).

The DAC is based on resistor-string architecture with

integrated output buffers. The output voltage range is

determined by a built-in reference source.

The device is fabricated in a 5 V CMOS process that

ensures high functionality with low power dissipation.

ORDERING INFORMATION

TYPE

NUMBER

PACKAGE

SAMPLING

FREQUENCY

NAME

DESCRIPTION

VERSION

TDA8772H/3

QFP44

plastic quad ﬂat package; 44 leads (lead length 1.3 mm);

body 10

× 10 × 1.75 mm

SOT307-2

35 MHz

TDA8772H/8

85 MHz

TDA8772H/3 Datasheet(PDF) 2 Page - NXP Semiconductors

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