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

SB/2C

ADS8370

SLAS450 – JUNE 2005

16-BIT, 600-kHz, PSEUDO-DIFFERENTIAL INPUT, MICROPOWER SAMPLING

ANALOG-TO-DIGITAL CONVERTER WITH SERIAL INTERFACE AND REFERENCE

•

Pin compatible With 18-Bit ADS8380

•

600-kHz Sample Rate

•

±0.5 LSB Typ, ±1.25 LSB Max INL

•

Medical Instruments

•

±0.4 LSB Typ, ±0.75 LSB Max DNL

•

Optical Networking

•

16-Bit NMC

•

Transducer Interface

•

SINAD 89.5 dB, SFDR 119 dB at fi = 1 kHz

•

High Accuracy Data Acquisition Systems

•

High-Speed Serial Interface up to 40 MHz

•

Magnetometers

•

Onboard Reference Buffer

•

Onboard 4.096-V Reference

•

Pseudo-Differential Input, 0 V to 4.2 V

The ADS8370 is a high performance 16-bit, 600-kHz

•

Onboard Conversion Clock

A/D converter with single-ended (pseudo-differential)

•

Selectable Output Format, 2's Complement or

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

Straight Binary

SAR A/D converter with inherent sample and hold.

The ADS8370 offers a high-speed CMOS serial

•

Zero Latency

interface with clock speeds up to 40 MHz.

•

Wide Digital Supply

•

Low Power:

The ADS8370 is available in a 28 lead 6 × 6 QFN

package and is characterized over the industrial

– 110 mW at 600 kHz

–40°C to 85°C temperature range.

– 15 mW During Nap Mode

– 10

µW During Power Down

•

28-Pin 6 x 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.