Texas Instruments ADS7823 Handleiding

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12-Bit, Sampling A/D Converter

with I

2

C

™

INTERFACE

FEATURES

●50kHz SAMPLING RATE

●NO MISSING CODES

●2.7V TO 5V OPERATION

●FOUR-WORD FILO

●A0, A1 ADDRESS PINS

●I

2

C INTERFACE SUPPORTS:

Standard, Fast, and High-Speed Modes

●MSOP-8 PACKAGE

APPLICATIONS

●VOLTAGE SUPPLY MONITORING

●ISOLATED DATA ACQUISITION

●TRANSDUCER INTERFACE

●BATTERY-OPERATED SYSTEMS

●REMOTE DATA ACQUISITION

DESCRIPTION

The ADS7823 is a single-supply, low-power, 12-bit data

acquisition device that features a serial I

2

C interface. The

Analog-to-Digital (A/D) converter features a sample-and-

hold amplifier and internal, asynchronous clock. The combi-

nation of an I

2

C serial two-wire interface and micropower

consumption makes the ADS7823 ideal for applications

requiring the A/D converter to be close to the input source in

remote locations and for applications requiring isolation. The

ADS7823 is available in an MSOP-8 package.

SAR

Serial

Interface

SDA

Comparator

S/H Amp

SCL

A0

A1

A

IN

V

REF

CDAC

ADS7823

SBAS180B – JUNE 2001 - REVISED SEPTEMBER 2003

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Copyright © 2001-2003, Texas Instruments Incorporated

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.

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.

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Product specificaties