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模数转换器 SIG1232A 国产平替 ADS1232,替代 ADS1232
slot867| 2024-03-28 16:03:51 阅读:50 发布文章

信格勒微电子的芯片产品已通过行业头部大厂导入验证,深受百万终端客户好评。
而且因为 fully compatible. 板子拿来,换个芯片,性能更好。MCU 不用改 c code。

SIG1232A
10/80SPS24-bitADC with PGA

Compatible Parts
ADS1232fully compatible (10nV/℃and2.5ppm/℃).

Features
  • Programmable Gain: 1/2/64/128

  • Data Rates: 10/80SPS

  • RMS Noises:19nVat 10SPS (Gain = 128)

  • 23.0ENOB(20.9 noise-free bits) at 10SPS (Gain = 1)

  • Offset Drift:5nV/(Gain = 128)

  • Gain Drift:1ppm/℃

  • Integral Non-linearity:3ppm

  • Reference input current:30nA

  • Internal or External Clock

  • 2 Differential Inputs

  • Current: 1.5mA

  • Specified Temperature Range: -40℃ to 125℃

  • Package: 24-ld TSSOP

  • Power Supply


    AVDD:
    2.7V to 5.25V or ±2.5V


    DVDD:
    2.7V to 5.25V


Applications
  • Weight Scales and Strain Gauges

  • Flow/Pressure Measurement

  • Temperature Measurement

  • Industrial Process Control

  • Medical Instrumentation


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