Datasheet > ADS820

ADS820

更新时间： 2024-11-22 02:58:39

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德州仪器 - TI		/
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描述
ANALOG-TO-DIGITAL CONVERTER

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ADS820 数据手册

ADS820

SBAS037B – DECEMBER 1995 – REVISED FEBRUARY 2005

10-Bit, 20MHz Sampling

ANALOG-TO-DIGITAL CONVERTER

DESCRIPTION

FEATURES

● NO MISSING CODES

The ADS820 is a low-power, monolithic 10-bit, 20MHz Ana-

log-to-Digital (A/D) converter utilizing a small geometry CMOS

process. This complete converter includes a 10-bit quantizer

with internal track-and-hold, reference, and a power down

feature. It operates from a single +5V power supply and can

be configured to accept either differential or single-ended

input signals.

● INTERNAL REFERENCE

● LOW DIFFERENTIAL LINEARITY ERROR:

0.2LSB

● LOW POWER: 195mW

● HIGH SNR: 60dB

● WIDEBAND TRACK/HOLD: 65MHz

The ADS820 employs digital error correction to provide excel-

lent Nyquist differential linearity performance for demanding

imaging applications. Its low distortion, high SNR, and high

oversampling capability give it the extra margin needed for

telecommunications and video applications.

APPLICATIONS

● SET-TOP BOXES

● CABLE MODEMS

● VIDEO DIGITIZING

This high performance converter is specified for AC and

DC-performance at a 20MHz sampling rate. The ADS820

is available in an SO-28 package.

● CCD IMAGING

Camcorders

Copiers

Scanners

Security Cameras

● IF AND BASEBAND DIGITIZATION

CLK

MSBI

Timing

Circuitry

10-Bit

Digital

Data

Error

Correction

Logic

3-State

Outputs

Pipeline

A/D

T&H

+3.25V

REFT

REFB

+1.25V

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

www.ti.com

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