ADS7835E Burr-Brown Corporation, ADS7835E Datasheet

ADS7835E

Manufacturer Part Number

ADS7835E

Description

12-Bit/ High-Speed/ Low Power Sampling ANALOG-TO-DIGITAL CONVERTER

Manufacturer

Burr-Brown Corporation

Datasheet

1.ADS7835E.pdf (13 pages)

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FEATURES

APPLICATIONS

1998 Burr-Brown Corporation

information, visit www.burr-brown.com

500kHz THROUGHPUT RATE

2.5V INTERNAL REFERENCE

LOW POWER: 17.5mW

SINGLE SUPPLY +5V OPERATION

SERIAL INTERFACE

GUARANTEED NO MISSING CODES

MSOP-8

BATTERY-OPERATED SYSTEMS

DIGITAL SIGNAL PROCESSING

HIGH-SPEED DATA ACQUISITION

WIRELESS COMMUNICATION SYSTEMS

International Airport Industrial Park • Mailing Address: PO Box 11400, Tucson, AZ 85734 • Street Address: 6730 S. Tucson Blvd., Tucson, AZ 85706 • Tel: (520) 746-1111

REF

Twx: 910-952-1111 • Internet: http://www.burr-brown.com/ • Cable: BBRCORP • Telex: 066-6491 • FAX: (520) 889-1510 • Immediate Product Info: (800) 548-6132

Input

2.5V

12-Bit, High-Speed, Low Power Sampling

INPUT RANGE

ANALOG-TO-DIGITAL CONVERTER

REF

S/H Amp

CDAC

Buffer

10k

PDS-1478B

30%

SAR

DESCRIPTION

The ADS7835 is a 12-bit, sampling analog-to-digi-

tal converter (A/D) complete with sample-and-hold

(S/H), internal 2.5V reference, and synchronous

serial interface. Typical power dissipation is 17.5mW

at a 500kHz throughput rate. The device can be

placed into a power-down mode which reduces dis-

sipation to just 2.5mW. The input range is –V

by an external voltage.

Low power, small size, and high speed make the

ADS7835 ideal for battery-operated systems such

as wireless communication devices, portable multi-

channel data loggers, and spectrum analyzers. The

serial interface also provides low cost isolation for

remote data acquisition. The ADS7835 is avail-

able in an MSOP-8 package and is guaranteed over

the –40 C to +85 C temperature range.

Comparator

+2.5V Ref

Internal

REF

, and the internal reference can be overdriven

Interface

Serial

ADS7835

Printed in U.S.A.May, 2000

CLK

CONV

DATA

REF

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