ADS1254-EP

更新时间： 2024-11-05 12:21:31

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
26页	537K
描述
24-Bit, 20-kHz, LOW POWER ANALOG-TO-DIGITAL CONVERTER

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数据手册

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ADS1254-EP 数据手册

ADS1254-EP

www.ti.com

SBAS497 –APRIL 2010

24-Bit, 20-kHz, LOW POWER ANALOG-TO-DIGITAL CONVERTER

Check for Samples: ADS1254-EP

FEATURES

APPLICATIONS

•

Cardiac Diagnostics

Direct Thermocouple Interfaces

Blood Analysis

Infrared Pyrometers

Liquid/Gas Chromatography

Precision Process Control

•

24 Bits, No Missing Codes

•

19 Bits Effective Resolution Up to

20-kHz Data Rate

•

Four Differential Inputs

External Reference (0.5 V to 5 V)

Power Down Mode

Sync Mode

SUPPORTS DEFENSE, AEROSPACE,

AND MEDICAL APPLICATIONS

Low Power: 4 mW at 20 kHz

Separate Digital Interface Supply

(1.8 V to 3.6 V)

•

Controlled Baseline

One Assembly/Test Site

One Fabrication Site

Extended Product Life Cycle

Extended Product-Change Notification

Product Traceability

DESCRIPTION

The ADS1254 is a precision, wide dynamic range, delta-sigma, analog-to-digital converter (ADC) with 24-bit

resolution. The delta-sigma architecture is used for wide dynamic range and to ensure 24 bits of no missing

codes performance. An effective resolution of 19 bits is achieved for conversion rates up to 20 kHz.

The ADS1254 is designed for high-resolution measurement applications in cardiac diagnostics, smart

transmitters, industrial process control, weight scales, chromatography, and portable instrumentation. The

converter includes a flexible, two-wire synchronous serial interface for low-cost isolation.

The ADS1254 is a multi-channel converter and is offered in an SSOP-20 package.

ADS1254

V_REF

CLK

CH1+

CH1–

CH2+

CH2–

4th-Order

∆Σ

SCLK

Digital

Filter

Serial

Mux

Interface

DOUT/DRDY

CH3+

CH3–

CH4+

CH4–

Modulator

AV_DD

AGND

DV_DD

Control

DGND

CHSEL0 CHSEL1

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.

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...26

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与ADS1254-EP相关器件

型号	品牌	获取价格	描述	数据表
ADS1254WDBQEP	TI	获取价格	24-Bit, 20-kHz, LOW POWER ANALOG-TO-DIGITAL CONVERTER
ADS1255	BB	获取价格	Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255	TI	获取价格	Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255IDB	BB	获取价格	Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255IDBR	BB	获取价格	Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255IDBR	TI	获取价格	Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255IDBRG4	TI	获取价格	24-Bit, 30kSPS, Very-Low-Noise Delta-Sigma ADC 20-SSOP -40 to 85
ADS1255IDBT	BB	获取价格	Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255IDBT	TI	获取价格	Very Low Noise, 24-Bit Analog-to-Digital Converter
ADS1255IDBTG4	TI	获取价格	24 位 30kSPS 超低噪声 Δ-Σ ADC \| DB \| 20 \| -40 to 8

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