TDA9952 datasheet(2/28 Pages) PHILIPS

Part #	TDA9952

Description	10-bit, 3.0 V, 25 Msps analog-to-digital interface for CCD cameras

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Manufacturer	PHILIPS [NXP Semiconductors]

Direct Link	http://www.nxp.com

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2002 Aug 21

2

Philips Semiconductors

Preliminary speciﬁcation

10-bit, 3.0 V, 25 Msps analog-to-digital

interface for CCD cameras

TDA9952

FEATURES

• Sample rate = 25 Msps;10-bit resolution

• Single 3.0 V supply operation (2.2 to 3.6 V operation for

the digital outputs)

• Low power consumption: only 115 mW at 2.7 V

• Power consumption in standby mode: 4.5 mW

(typical value)

• Programmable gain amplifier:

gain range = 36 dB in 0.1 dB steps

• Correlated double sampling

• Internal input buffer for the correlated double sampling

• Fully programmable via a 3-wire serial interface

• 8-bit DAC included for external analog settings

• TTL-compatible inputs and CMOS-compatible outputs.

APPLICATIONS

• Video camcorders

• Digital still cameras

• PC-cameras.

GENERAL DESCRIPTION

The TDA9952 is a 10-bit analog-to-digital interface for

CCD cameras. The device consists of a Correlated Double

Sampling (CDS) circuit, a digitally Programmable Gain

Amplifier (PGA), a black level clamp and a 10-bit

Analog-to-Digital Converter (ADC).

An internal CDS input buffer is incorporated in order to

avoid using an external buffer that would consume more

power and therefore optimizing the application for low

noise, low power working.

The PGA gain, the ADC clamp level and other settings are

controlled via a 3-wire serial digital interface.

An additional DAC is provided for system controls.

The TDA9952 operates from a single 3 V power supply

(2.7 V minimum) and dissipates 135 mW (typical value).

ORDERING INFORMATION

TYPE NUMBER

PACKAGES

NAME

DESCRIPTION

VERSION

TDA9952HL

LQFP48

plastic low proﬁle quad ﬂat package; 48 leads;

body 7

× 7 × 1.4 mm

SOT313-2

TDA9952HN

HVQFN48

plastic, heatsink very thin quad ﬂat package; no leads;

48 terminals; body 7

× 7 × 0.85 mm

SOT619-1

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