BurrBrown Products

from Texas Instruments

FEATURES

APPLICATIONS

DESCRIPTION

CDAC

_

+

Output

Latches

and

3-State

Drivers

FS

SAR

Conversion

and

Control Logic

Comparator

Clock

+IN

−IN

REFIN

CONVST

BUSY

CS

PD

4.096-V

Internal

Reference

REFOUT

SCLK

SDO

ADS8372

SLAS451 – JUNE 2005

16-BIT, 600-kHz, FULLY DIFFERENTIAL PSEUDO-BIPOLAR INPUT,

MICROPOWER SAMPLING ANALOG-TO-DIGITAL CONVERTER

WITH SERIAL INTERFACE AND REFERENCE

•

Pin Compatible With 18-Bit ADS8382

•

600-kHz Sample Rate

•

±0.35 LSB Typ, ±0.75 LSB Max INL

•

Medical Instruments

•

±0.25 LSB Typ, ±0.5 LSB Max DNL

•

Optical Networking

•

16-Bit NMC

•

Transducer Interface

•

•

High Accuracy Data Acquisition Systems

•

High-Speed Serial Interface up to 40 MHz

•

Magnetometers

•

Onboard Reference Buffer

•

Onboard 4.096-V Reference

•

Pseudo-Bipolar Input, up to ±4.2 V

The ADS8372 is a high performance 16-bit, 600-kHz

•

Onboard Conversion Clock

A/D converter with fully differential, pseudo-bipolar

•

Zero Latency

input. The device includes an 16-bit capacitor-based

•

Wide Digital Supply

SAR A/D converter with inherent sample and hold.

The ADS8372 offers a high-speed CMOS serial

•

Low Power

interface with clock speeds up to 40 MHz.

– 110 mW at 600 kHz

– 15 mW During Nap Mode

The ADS8372 is available in a 28 lead 6 × 6 QFN

package and is characterized over the industrial

– 10

µW During Power Down

–40°C to 85°C temperature range.

•

28-Pin 6 × 6 QFN Package

High Speed SAR Converter Family

Type/Speed

500 kHz

~ 600 kHz

750 kHZ

1 MHz

1.25 MHz

2 MHz

3 MHz

4 MHz

ADS8383

ADS8381

18-Bit Pseudo-Diff

ADS8380 (S)

18-Bit Pseudo-Bipolar, Fully Diff

ADS8382 (S)

16-Bit Pseudo-Diff

ADS8370 (S)

ADS8371

ADS8401/05

ADS8411

16-Bit Pseudo-Bipolar, Fully Diff

ADS8372 (S)

ADS8402/06

ADS8412

14-Bit Pseudo-Diff

ADS7890 (S)

ADS7891

12-Bit Pseudo-Diff

ADS7886

ADS7881

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.

Copyright © 2005, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.