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Product description

Product model

Design & development

  • CMS24AD2001

    CMS24AD2001 is a high-precision, low-power analog-to-digital conversion chip. It can support two differential input channels, with a built-in linear regulator (LDO), temperature sensor and high-precision oscillator. LDO can drive 20mA load. The PGA magnification of CMS24AD2001 is optional: 1, 2, 4, 8, 16, 32, 64, 128, 256. The ADC data output rate of CMS24AD2001 in normal mode is optional: 2.5Hz-2.56KHz, the default is 5Hz.


    Datasheet >

    CMS24AD2001 adopts Sigma-Delta modulator and realizes PGA amplification through low-noise instrument amplifier structure. When PGA=128, ODR=10Hz, VREF=3.3V, the effective resolution can reach 20.6 bits. CMS24AD2001 has a built-in RC oscillator, which can be used to configure multiple functional modes through DRDYB/DOUT and SCLK, such as temperature detection, PGA gain selection, ADC data output rate selection, and so on.


    Features

    > Built-in LDO

    > Built-in oscillator

    > Integrated temperature sensor

    > With sleep function

    > 2-wire SPI interface, the fastest rate is 1.1MHz

    > ADC features:-24 bits without missing codes;

    -PGA magnification is optional: 1, 2, 4, 8, 16, 32, 64, 128, 256;

    -Optional output rate (ODR): 2.5Hz-2.56KHz;

    -When PGA=128, ODR=10Hz, SET_LDO=00, the effective resolution is 20.6 bits;

    -When PGA=128, ODR=10Hz, SET_LDO=00, the equivalent input noise is 30nVrms.

    > Package type: SOP8


  • Product model

    Part Number Package Temp Voltage SPI PGA OSC Resolution(Bits) Sigma-Delta ADC Effective Resolution (Bits) Built-in LDO
    CMS24AD2001 SOP8 -40~85 2.5~4.4 2线 1 INTRC 24 2.5~2560 20.6 Y

  • Design & development

    Documentation
    Name Version Describe Download
    CMS24AD2001 user manual V1.12

    CMS24AD2001 modules, chip registers, clocks, storage, performance indicators,etc.

    Download >
    CMS24AD2001_DemoCode V1.0

    Contains the driver and sample program of the CMS8S589x_Demo chip module

    Download >

    More

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