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[FAQ] ADS1235: TI Weigh Scale ADC Comparisons

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Part Number: ADS1235

Hello,

Could you provide an overview and comparison of TI's Weigh Scale ADCs? 

Regards,
Collin Wells
Precision ADC Applications

  • Hello!

    Below is a comparison table of the most important specifications for our weigh scale ADCs. Please let me know if you have any additional questions about any of these products or specifications.

    Here's a link to other Precision ADC products from TI:

    http://www.ti.com/data-converters/adc-circuit/precision-adcs/products.html

    Parameter

    Units

    Conditions

    ADS1235

    ADS1234

    ADS1232

    ADS1231

    ADS1230

    ADS1261

    Resolution

    Bits

    24

    24

    24

    24

    20

    24

    Output Date Rate

    SPS

    (min / max)

    2.5 / 7200

    10 / 80

    10 / 80

    10 / 80

    10 / 80

    2.5 / 40,000

    Input Channels

    (Differential)

    3

    4

    2

    1

    1

    5

    External VREF Inputs

    2

    1

    1

    1

    1

    2

    Package Type

    VQFN-32

    TSSOP-28

    TSSOP-24

    SOIC-16

    TSSOP-16

    VQFN-32

    Package Size

    5 mm x 5 mm

    6.4 mm x 9.7 mm

    4.4 mm x 7.8 mm

    6 mm x 9.9 mm

    4.4 mm x 5 mm

    5 mm x 5 mm

    Analog Supply Range

    (Unipolar)

    (Bipolar)

    4.75 V to 5.25 V

    ±2.5 V

    2.7 V to 5.3 V

    -

    2.7 V to 5.3 V

    -

    3 V to 5.3 V

    -

    2.7 V to 5.3 V

    -

    4.75 V to 5.25 V

    ±2.5 V

    Offset Error Drift

    nV/°C

    (typ / max)

    (G = 128)

    10 / 50

    ±10 / -

    ±10 / -

    ±20 / -

    ±10 / -

    10 / 50

    Gain Error Drift

    ppm/°C

    (typ / max)

    0.5 / 4

    ±2.5 / -

    ±2.5 / -

    ±2 / -

    ±4 / -

    0.5 / 4

    INL

    ppm

    (typ / max)

    ±2 / ±10

    ±4 / -

    ±4 / -

    ±8 / -

    ±6 / -

    ±3 / ±12

    Input-Referred Noise

    nVRMS

    (10 SPS, G = 128)

    10

    17

    17

    40

    53

    12

    PGA Gains

    1, 64, 128

    1, 2, 64, 128

    1, 2, 64, 128

    128

    64, 128

    1 to 128

    AC Excitation

    Yes

    -

    -

    -

    -

    Yes

    Auto-Zero Mode

    Yes

    -

    -

    -

    -

    Yes

    Signal Monitors

    Yes

    -

    -

    -

    -

    Yes

    Low VREF Monitor

    Yes

    -

    -

    -

    -

    Yes

    Power Consumption

    mA

    (typ)

    4.7

    1.5

    1.5

    1

    1

    4.7

    Operating Temp. Range

    -40°C to +125°C

    -40°C to +105°C

    -40°C to +105°C

    -40°C to +85°C

    -40°C to +85°C

    -40°C to +125°C

    Regards,
    Collin Wells
    Precision ADC Applications

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