Datasheet > ADS821U

ADS821U

更新时间： 2024-11-20 21:54:43

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描述
10-Bit, 40MHz Sampling ANALOG-TO-DIGITAL CONVERTER

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ADS821U 数据手册

ADS821

SBAS040B – DECEMBER 1995 – REVISED FEBRUARY 2005

10-Bit, 40MHz Sampling

ANALOG-TO-DIGITAL CONVERTER

DESCRIPTION

FEATURES

● NO MISSING CODES

● INTERNAL REFERENCE

● LOW POWER: 380mW

● HIGH SNR: 58dB

The ADS821 is a low-power, monolithic 10-bit, 40MHz 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 TRACK-AND-HOLD

The ADS821 employs digital error correction to provide

excellent Nyquist differential linearity performance for de-

manding imaging applications. Its low distortion, high SNR,

and high oversampling capability give it the extra margin

needed for telecommunications and video applications.

APPLICATIONS

● VIDEO DIGITIZING

● ULTRASOUND IMAGING

● GAMMA CAMERAS

● SET-TOP BOXES

This high-performance converter is specified for AC and DC-

performance at a 40MHz sampling rate. The ADS821 is

available in an SO-28 package.

● CABLE MODEMS

● CCD IMAGING

Color Copiers

Scanners

Camcorders

CLK

MSBI

Security Cameras

Fax Machines

● IF AND BASEBAND DIGITIZATION

● TEST INSTRUMENTATION

Timing

Circuitry

Pipeline

A/D

Converter

10-Bit

Digital

Data

Error

Correction

Logic

3-State

Outputs

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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