ADC
CS1232
MAIN PARAMETERS

2-channel 24-bit differential input ADC without missing code, ENOB is 20.8 bits

2-line SPI interface

Introduction

CS1232 is a high-precision and low power consumption analog-to-digital conversion chip. Its resolution is 24 bits and the effective resolution reaches 20.8 bits. The chip can be widely used in the fields such as technology control, weighing, liquid/gas chemical analysis, blood analysis, intelligent transmitter, and portable measurement instrument.

Features

Integrating low-noise PGA, with the amplification times of 1, 2, 64, and 128

Integrating a 2-channel 24-bit differential input ADC without missing code. When the gain of PGA is 128, ENOB is 20.8 bits.

P-P noise: 10 Hz: 139 nV; 80Hz: 298 nV

Integrating the RC oscillator (±8%), input of external oscillator or clock is allowed

Output rate: 10 Hz/80 Hz

Integrating a 2-cable SPI communication interface

Integrating a temperature sensor

INL smaller than 0.001%

Applications

Industrial process control

Poidometer

Liquid/gas chemical analysis

Blood meter

Intelligent converter

Portable device

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