ADS1251 - ResolutionPlus 24 位 20kHz 低功耗模数转换器

ADS1251是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS1251是ResolutionPlus 24 位 20kHz 低功耗模数转换器，本站介绍了ADS1251的封装应用图解、特点和优点、功能等，并给出了与ADS1251相关的TI元器件型号供参考。

ADS1251 - ResolutionPlus 24 位 20kHz 低功耗模数转换器 - 精密ADC(<=10MSPS) - 模数转换器 - 德州仪器

产品描述

The ADS1251 is a precision, wide dynamic range, delta-sigma, Analog-to-Digital (A/D) converter with 24-bit resolution operating from a single +5V supply. The delta-sigma architecture is used for wide dynamic range and to guarantee 24 bits of no missing codes performance. Effective resolution of 19 bits (1.5ppm of rms noise) is achieved for conversion rates up to 20kHz.

The ADS1251 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, 2-wire synchronous serial interface for low-cost isolation.

The ADS1251 is a single-channel converter and is offered in an SO-8 package. It is pin-compatible with the faster ADS1252 (41.7kHz data rate).

产品特性

24 BITS—NO MISSING CODES
19 BITS EFFECTIVE RESOLUTION UP TO 20kHz DATA RATE
LOW NOISE: 1.5ppm
DIFFERENTIAL INPUTS
INL: 15ppm (max)
EXTERNAL REFERENCE (0.5V to 5V)
POWER-DOWN MODE
SYNC MODE
LOW POWER: 8mW at 20kHz5mW at 10kHz
APPLICATIONS
- CARDIAC DIAGNOSTICS
- DIRECT THERMOCOUPLE INTERFACES
- BLOOD ANALYSIS
- INFRARED PYROMETERS
- LIQUID/GAS CHROMATOGRAPHY
- PRECISION PROCESS CONTROL

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