TDA8784 datasheet(2/28 Pages) PHILIPS

2 / 28 page

1999 Sep 21

Philips Semiconductors

Product speciﬁcation

18 Msps, 10-bit analog-to-digital

interface for CCD cameras

TDA8784

FEATURES

• Correlated Double Sampling (CDS), AGC, 10-bit ADC

and reference regulator included, adjustable bandwidth

(CDS and AGC)

• Fully programmable via a 3-wire serial interface

• Sampling frequency up to 18 MHz

• AGC gain from 4.5 to 34.5 dB (in 0.1 dB steps)

• CDS programmable bandwidth from 4 to 120 MHz

• AGC programmable bandwidth from 4 to 54 MHz

• Standby mode available for each block for power saving

applications (20 mW typical)

• 6 dB fixed gain analog output for analog iris control

• 8-bit and 10-bit DAC included for analog settings

• Low power consumption of only 483 mW typical

• 5 V operation and 2.5 to 5.25 V operation for the digital

outputs

• TTL compatible inputs, TTL and CMOS compatible

outputs.

APPLICATIONS

• CCD camera systems.

GENERAL DESCRIPTION

The TDA8784 is a 10-bit analog-to-digital interface for

CCD cameras. The device includes a correlated double

sampling circuit, AGC and a low-power 10-bit

Analog-to-Digital Converter (ADC) together with its

reference voltage regulator.

The AGC and CDS have a bandwidth circuit controlled by

on-chip DACs via a serial interface.

A 10-bit DAC controls the ADC input clamp level.

An additional 8-bit DAC is provided for additional system

controls; its output voltage range is 1.4 V (p-p) which is

available at pin OFDOUT.

ORDERING INFORMATION

TYPE

NUMBER

PACKAGE

NAME

DESCRIPTION

VERSION

TDA8784HL

LQFP48

plastic low proﬁle quad ﬂat package; 48 leads; body 7

× 7 × 1.4 mm

SOT313-2

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