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ADS1231: AD7780 Cost down solution

Chen Alex1
Genius 4345 points

Part Number: ADS1231

Tool/software:

hi sir

we would like to cost down the AD7780,

Did the ADS1231 is the best solution to replace ADI/AD7780?

If yes, did you have compare table?

Thanks

  • 0
    TI__Intellectual 820 points

    Hello Alex,

    The ADS1231 is the best alterative device to the AD7780. Please find the comparison of the two devices below. 

    Competitor

    TI

    Parameter

    AD7780

    ADS1231

    Description

    24-Bit Pin-Programmable Low Power Σ−Δ ADC

    24-Bit, 80SPS, 1-Ch Delta-Sigma ADC for Resistive Bridge Sensors & Weigh Scales

    Resolution (Bits)

    24

    24

    Sample rate (max) (ksps)

    0.0167

    0.08

    Number of input channels

    1

    1

    Interface type

    SPI

    SPI

    Architecture

    Delta-Sigma

    Delta-Sigma

    Input type

    Differential

    Differential/Single-ended

    INL (ppm of FSR)

    ±6

    ±8

    Offset Error (μV)

    ±10

    10

    Gain Drift (ppm/°C)

    ±2

    ±2

    Multichannel configuration

    Integrated PGA

    N/A

    Rating

    Catalog

    Catalog

    Reference mode

    External

    External

    Features

    ADC Integrated PGA

    50/60 Hz Rejection/Oscillator/PGA

    Operating temperature range (°C)

    -40 ~ 105

    -40 to 85

    Price|Quantity (USD)

    4.79

    1.997

    Package type

    14-Lead SOIC 16-Lead TSSOP

    SOIC

    Pin count

    16

    16

    Package area (mm^2)

    32.6

    59.4

    Package size (L x W) (mm)

    5.1 x 6.4

    9.9 x 6

    Power consumption (typ) (mW)

    115.0

    5.0

    Regards,

    Jiyah Starks