ADS1254 - 24 位 20kHz 低功耗模数转换器

ADS1254是TI德州仪器公司的一款精密ADC(<=10MSPS)产品，ADS1254是24 位 20kHz 低功耗模数转换器，本站介绍了ADS1254的封装应用图解、特点和优点、功能等，并给出了与ADS1254相关的TI元器件型号供参考。

ADS1254 - 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 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.

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

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