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Home - Linghui Lixin high-precision Δ - ∑ ADC
Product Name
LH001-55
 
The main parameters
Compatible with TI's ADS1256, ADS1258, AD7124 for domestic substitution needs
  • LH001-55 is a low-noise 24 bit ∑△ ADC that provides a complete high-resolution measurement solution. Integrating multiple selection MUXes and gain adjustable PGAs, it can flexibly process differential or single ended signals. Programmable filters allow users to make optimal choices between resolution and output rate. The chip integrates a programmable excitation current source and a temperature sensor internally. Simultaneously integrated with a 12 bit voltage output DAC. 4-wire SPI interface, supporting daisy chain extended multi-channel ADC for simultaneous sampling.



    Product characteristics



    Low noise programmable gain amplifier (PGA) and high-resolution 24 bit analog-to-digital converter (ADC)



    Programmable gain: 1/2/4/6/8/12/24/48



    -4 differential inputs or 8 single ended inputs



    Support self calibration of gain error and offset error



    Maximum integral nonlinearity: 13 PPM/FS



    Programmable output rate: 2.5SPS-30kSPS



    Continuous sampling mode: 525 µ A



    Standby current: 0.2 μ A



    12 bit voltage output type digital to analog converter (DAC)



    Output range: 0~2.5V



    Supports a maximum resistance load of 1k Ω and a capacitance load of 200pF



    Integrated Temperature Sensor



    TIA transimpedance amplifier



    Integrate two programmable excitation current sources:



    100nA/50μA/100μA/250μA/500μA/750μA/1mA



    Built in low-temperature drift reference source: 25ppm/℃



    Built-in oscillator



    power supply



    Simulation: 2.4V to 3.6V



    - Number: 1.7V to 3.6V



    4-wire SPI interface



    Working temperature range: -40 ° C~+125 ° C



    Package: 5mm x5mm QFN40



    Application scenarios



    Bridge transmitter



    Portable devices



    battery monitor



    Industrial temperature measurement



    Factory automation process control



    Compatible with TI's ADS1256, ADS1258, AD7124 for domestic substitution needs
  • IDE
    烧录器安装程序
    FAQ
  • Series：Linghui Lixin high-precision Δ - ∑ ADC
    Model：-LH001-55
    Price：免费
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