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更新日期:2024-04-01 00:04:00

产品简介:具有独立 AVDD 和 DVDD 的 24 位、20kSPS、4 通道 Δ-Σ ADC

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  • 参考价格:¥51.96

ADS1254E/2K5 供应商

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ADS1254E/2K5 中文资料属性参数

  • 制造商:Texas Instruments
  • 产品种类:ADC(模数转换器)
  • 转换器数量:1
  • ADC 输入端数量:4
  • 结构:Delta-Sigma
  • 转换速率:20 KSPs
  • 分辨率:24 bit
  • 输入类型:Voltage
  • 接口类型:2-Wire, Serial
  • 信噪比:No
  • 电压参考:External
  • Supply Voltage - Max:5.25 V
  • Supply Voltage - Min:4.75 V
  • 最大功率耗散:500 mW
  • 最大工作温度:+ 85 C
  • 安装风格:SMD/SMT
  • 封装 / 箱体:SSOP-20
  • 封装:Reel
  • 最小工作温度:- 40 C
  • 工作电源电压:5 V
  • 工厂包装数量:2500

产品特性

  • 24 BITS—NO MISSING CODES
  • 19 BITS EFFECTIVE RESOLUTION UP TO 20kHz DATA RATE
  • LOW NOISE: 1.8ppm
  • FOUR DIFFERENTIAL INPUTS
  • INL: 15ppm (max)
  • EXTERNAL REFERENCE (0.5V to 5V)
  • POWER-DOWN MODE
  • SYNC MODE
  • LOW POWER: 4mW at 20kHz
  • SEPARATE DIGITAL SUPPLY 1.8V to 3.6V
  • APPLICATIONS CARDIAC DIAGNOSTICS DIRECT THERMOCOUPLE INTERFACES BLOOD ANALYSIS INFRARED PYROMETERS LIQUID/GAS CHROMATOGRAPHY PRECISION PROCESS CONTROL
  • CARDIAC DIAGNOSTICS
  • DIRECT THERMOCOUPLE INTERFACES
  • BLOOD ANALYSIS
  • INFRARED PYROMETERS
  • LIQUID/GAS CHROMATOGRAPHY
  • PRECISION PROCESS CONTROL

产品概述

The ADS1254 is a precision, wide dynamic range, delta-sigma, Analog-to-Digital (A/D) converter 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 (1.8ppm of rms noise) is achieved for conversion rates up to 20kHz.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.

ADS1254E/2K5 数据手册

数据手册 说明 数量 操作
ADS1254E/2K5

24-Bit, 20kHz, Low Power ANALOG-TO-DIGITAL CONVERTER

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ADS1254E/2K5 电路图

ADS1254E/2K5 电路图

ADS1254E/2K5 电路图

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