ADS1243-HT

更新时间： 2024-11-13 07:07:59

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
40页	558K
描述
24-BIT ANALOG-TO-DIGITAL CONVERTER

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数据手册

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ADS1243-HT 数据手册

ADS1243-HT

www.ti.com

SBAS525 –DECEMBER 2011

24-BIT ANALOG-TO-DIGITAL CONVERTER

Check for Samples: ADS1243-HT

FEATURES

•

24-Bits No Missing Codes

SUPPORTS EXTREME TEMPERATURE

APPLICATIONS

•

Simultaneous 50-Hz and 60-Hz Rejection

(–90 dB Minimum)

•

Controlled Baseline

One Assembly/Test Site

One Fabrication Site

•

0.0025% INL

PGA Gains From 1 to 128

Single-Cycle Settling

Available in Extreme (–55°C/210°C)

Temperature Range⁽¹⁾

Programmable Data Output Rates

External Differential Reference of 0.1 V to 5 V

On-Chip Calibration

•

Extended Product Life Cycle

Extended Product-Change Notification

Product Traceability

SPI™ Compatible

Texas Instruments’ high temperature products

utilize highly optimized silicon (die) solutions

with design and process enhancements to

maximize performance over extended

temperatures. All devices are characterized

and qualified for 1000 hours of continuous

operating life at maximum rated temperatures.

2.7 V to 5.25 V Supply Range

600-µW Power Consumption

Up to Eight Input Channels

Up to Eight Data I/O

APPLICATIONS

•

Down-Hole Drilling

V_DD

V_REF+

V_REF–

X_IN

X_OUT

High Temperature Environments

Vibration/Modal Analysis

Multi-Channel Data Acquisition

Acoustics/Dynamic Strain Gauges

Pressure Sensors

V_DD

Clock Generator

2µA

Offset

DAC

A_IN0/D0

A_IN1/D1

A_IN2/D2

A_IN3/D3

A_IN4/D4

A_IN5/D5

A_IN6/D6

A_IN7/D7

A = 1:128

PGA

IN+

IN–

2nd-Order

Modulator

Digital

MUX

Controller

Registers

BUF

Filter

SCLK

D_IN

Serial Interface

2µA

D_OUT

GND

PDWN

DRDY

(1) Custom temperature ranges available

DESCRIPTION

The ADS1243 is a precision, wide dynamic range, delta-sigma, analog-to-digital (A/D) converter with 24-bit

resolution operating from 2.7-V to 5.25-V supplies. This delta-sigma, A/D converter provides up to 24 bits of no

missing code performance and effective resolution of 21 bits.

The input channels are multiplexed. Internal buffering can be selected to provide a very high input impedance for

direct connection to transducers or low-level voltage signals. Burnout current sources are provided that allow for

the detection of an open or shorted sensor. An 8-bit digital-to-analog converter (DAC) provides an offset

correction with a range of 50% of the FSR (Full-Scale Range).

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.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...40

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ADS1244IDGST	BB	获取价格	Low-Power, 24-Bit ANALOG-TO-DIGITAL CONVERTER

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