ADS7834E Burr-Brown Corporation, ADS7834E Datasheet

ADS7834E

Manufacturer Part Number

ADS7834E

Description

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

Manufacturer

Burr-Brown Corporation

Datasheet

1.ADS7834E.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: 11mW

SINGLE SUPPLY +5V OPERATION

DIFFERENTIAL INPUT

SERIAL INTERFACE

GUARANTEED NO MISSING CODES

MINI-DIP-8 AND MSOP-8

0V TO V

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

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

12-Bit High Speed Low Power Sampling

REF

+In

–In

REF

ANALOG-TO-DIGITAL CONVERTER

INPUT RANGE

S/H Amp

Buffer

CDAC

10k

30%

SAR

PDS-1457B

Comparator

+2.5V Ref

Internal

DESCRIPTION

The ADS7834 is a 12-bit sampling analog-to-digital

converter (A/D) complete with sample/hold, internal

2.5V reference, and synchronous serial interface. Typi-

cal power dissipation is 11mW at a 500kHz through-

put rate. The device can be placed into a power-down

mode which reduces dissipation to just 2.5mW. The

input range is zero to the reference voltage, and the

internal reference can be overdriven by an external

voltage.

Low power, small size, and high-speed make the

ADS7834 ideal for battery operated systems such as

wireless communication devices, portable multi-chan-

nel data loggers, and spectrum analyzers. The serial

interface also provides low-cost isolation for remote

data acquisition. The ADS7834 is available in a plastic

mini-DIP-8 or an MSOP-8 package and is guaranteed

over the –40 C to +85 C temperature range.

Interface

Serial

ADS7834

Printed in U.S.A. May, 2000

CLK

CONV

DATA

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