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  • ADS1220: fail AIN0 and AIN1 in ADS1220

    Part Number: ADS1220 Tool/software: We using ADS1220 for read Resistive Bridge Measurement at AIN0 and AIN1, and read proper data. In one case from customer site after work within one month we got fail AIN0 and AIN1 channel in ADS1220 even external back…
    • Answered

  • ADS1220: Search for analog power supply ADS1220

    Resolved
    Part Number: ADS1220 Tool/software: Hello, I am looking for a supply with a Vout of 3.3 V for the AVDD of the ADS1220 ADC. Currently, I have Vin = 24 V, from which I derive the 3.3 V for the entire PCB using a switching converter. The digital and analog…
    • Resolved
    • Answered

  • ADS1220: Request for Verification of ADS1220 SPI Communication Waveform

    Resolved
    Part Number: ADS1220 Tool/software: I am currently debugging the communication interface of the ADS1220 ADC chip. During the debugging process, I performed the following operations: Sent a reset command to initialize the device Wrote to register…
    • Resolved
    • Answered

  • ADS1220: Clarification on Effective Resolution of ADS1220 with Internal Reference and PGA Settings

    Resolved
    Part Number: ADS1220 Tool/software: Dear Texas Instruments Support Team, We are planning to use ADS1220IPWR ADC in our application. We want to use internal reference voltage (2.048V) and internal PGA (1 and 2 factor) Analog input side, we will be…
    • Resolved

  • ADS1220: ADS1220: What is full-scale input voltage in single-ended mode with internal reference?

    TI Thinks Resolved
    Part Number: ADS1220 Tool/software: Hello, We are using the ADS1220 with its internal 2.048 V reference and reading a single-ended signal (e.g., AIN0 to AVSS). I want to confirm the correct interpretation of full-scale input in this case. My question…

  • ADS1220: ADS1220 input impedance

    TI Thinks Resolved
    Part Number: ADS1220 Tool/software: Hi As for the input impedance of ADS1220, I did not find this parameter in the specification. Now I need to use ADS1220 to detect PT1000. I am going to add a follower in the input side, which I think is necessary…
    • Answered

  • ADS1220: Issue with Disabling PGA on ADS1220 – Unexpected Values at Higher Gain Settings

    Resolved
    Part Number: ADS1220 Tool/software: Hello, I am working with the ADS1220 in an application where it is necessary to disable the PGA, as the signal is not at the common mode voltage level. According to section "8.3.2.2 Bypassing the PGA" in the datasheet…
    • Resolved
    • Answered

  • ADS1220: Vref doesn't match the calculation

    Resolved
    Part Number: ADS1220 Tool/software: Here are my PCB document and register configuration: #define ADS1220_CONFIG_REG0_PT1000 0x60 // AINP=AIN0, AINN=AIN1, PGA=1, PGA ON #define ADS1220_CONFIG_REG1_PT1000 0x04 // DR=20SPS, NORMAL MODE, CONTINUOUS CONVERSION…
    • Resolved

  • ADS1220: ADS1220

    TI Thinks Resolved
    Part Number: ADS1220 Tool/software: Hi , I am try to make universal input device like ( 4-20 input ,Thermocouple K type ,J type ,RTD 2-wire , RTD 3-wire ,RTD-4 wire ) can any one suggest me circuit diagram for universal input .using ADS1220 or any…

  • ADS1220: Check the schmetic

    Part Number: ADS1220 Tool/software: Hi Sir pls help to check the schmetic ,many thanks!

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