BurrBrown Products

from Texas Instruments

FEATURES

APPLICATIONS

DESCRIPTION

CDAC

_

+

Output

Latches

and

3-State

Drivers

BYTE

16-/8-Bit

Parallel DATA

Output Bus

SAR

Conversion

and

Control Logic

Comparator

Clock

+IN

−IN

REFIN

CONVST

BUSY

CS

RD

RESET

4.096-V

Internal

Reference

REFOUT

ADS8406

SLAS426A – AUGUST 2004 – REVISED DECEMBER 2004

16-BIT, 1.25 MSPS, PSEUDO-BIPOLAR, FULLY DIFFERENTIAL INPUT, MICRO POWER

SAMPLING ANALOG-TO-DIGITAL CONVERTER WITH PARALLEL INTERFACE

•

DWDM

•

•

Instrumentation

•

High-Speed, High-Resolution, Zero Latency

•

16-Bit NMC at 1.25 MSPS

Data Acquisition Systems

•

±2 LSB INL Max, -1/+1.25 LSB DNL

•

Transducer Interface

•

90 dB SNR, -95 dB THD at 100 kHz Input

•

Medical Instruments

•

Zero Latency

•

Communications

•

Internal 4.096 V Reference

•

High-Speed Parallel Interface

•

Single 5 V Analog Supply

The ADS8406 is a 16-bit, 1.25 MHz A/D converter

•

Wide I/O Supply: 2.7 V to 5.25 V

with an internal 4.096-V reference. The device in-

cludes a 16-bit capacitor-based SAR A/D converter

•

Low Power: 155 mW at 1.25 MHz Typ

with inherent sample and hold. The ADS8406 offers a

•

Pin Compatible With ADS8412/8402

full 16-bit interface and an 8-bit option where data is

•

48-Pin TQFP Package

read using two 8-bit read cycles.

The ADS8406 has a pseudo-bipolar, fully differential

input. It is available in a 48-lead TQFP package and

is characterized over the industrial -40

°C to 85°C

temperature range.

High Speed SAR Converter Family

Type/Speed

500 kHz

580 kHz

750 MHZ

1.25 MHz

2 MHz

3 MHz

4 MHz

18 Bit Pseudo-Diff

ADS8383

ADS8381

ADS8371

ADS8401

ADS8411

16 Bit Pseudo-Diff

ADS8405

ADS8402

ADS8412

16 Bit Pseudo Bipolar,

Fully Differential

ADS8406

14 Bit Pseudo-Diff

ADS7890 (S)

ADS7891

12 Bit Pseudo-Diff

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 © 2004, 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.