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  • ADS8689: ads8689 spi_write range setting not applied

    Part Number: ADS8689 Tool/software: Hello, I am currently working on a project using a PIC16F15356 microcontroller and the ADS8689 ADC to read 8-channel 4–20 mA current signals through a MUX, and send the data to a PC via Modbus. The communication…
    • Answered

  • ADS8689: pic16f15356 ADS8689 SPI Issue

    Resolved
    Part Number: ADS8689 Other Parts Discussed in Thread: MUX36S08 , Tool/software: Hello, I am currently a student studying PIC microcontrollers. I'm working on a project and having difficulties with the SPI communication part, so I’m writing to kindly…
    • Resolved

  • ADS8689: ADS8689 Implementation

    Part Number: ADS8689 Tool/software: Hello, We are redesigning an existing design using ADS8689 retaining the existing module specifications. Following are the specification and Implementation details. Input signal range: 1 to 5V, 0 to 5V, 0 to…

  • ADS8689:Io max for VOH/VOL of SDO

    TI Thinks Resolved
    Part Number: ADS8689 Dear Technical Support Team, Q1. Could you tell me the maximum Io values for the “SDO pin” and “GPO pin.”? Since the datasheet only listed the conditions mentioned below. I could not find any information in the datasheet…

  • ADS8689: The Effects of DVDD Voltage

    TI Thinks Resolved
    Part Number: ADS8689 Other Parts Discussed in Thread: ADS8681WEVM-PDK Dear Technical Support Team, I have questions about ADS8689. Q1 In sections 6.5 through 6.10, the specifications are listed under the condition that DVDD = 3.3 V. If the conditions…
    • Answered

  • ADS8689: +/-256 points errors in converted values at certain input levels

    Resolved
    Part Number: ADS8689 In a new analog input board we use ADS8689IPW A/D converter. During debugging we noticed a strange behaviour of converted values: (only) at certain levels of input voltage the converted points have an everage value (the expected…
    • Resolved

  • ADS8689: About SBAA551 - Cost-Optimized, High-Performance Front-End Design for Analog Input Modules

    TI Thinks Resolved
    Part Number: ADS8689 Hi everyone, Refering to: www.ti.com/.../sbaa551.pdf I'm designing an analog input module following this document, in my implementation I only need the single ended solution, can I just bypass the amplifier connecting directly…

  • ADS8689: AVDD and DVDD Power-Up Sequence

    TI Thinks Resolved
    Part Number: ADS8689 Tool/software: Dear , Data converters Support team. According to the datasheet, the Absolute Maximum Ratings of the ADS8689 are +7V for both AVDD and DVDD. The Recommended Operating Conditions for DVDD are up to AVDD. Are there…
    • Answered

  • ADS8689: Not reading negative voltage above -4V

    Resolved
    Part Number: ADS8689 Tool/software: While used in any range its not reading -ve voltages above -4V even in +/-12V range, right now I'm using +/-6.144 range positive range is fine but in negative range it's not reading above -4V i have 4 IC's but in every…
    • Resolved
    • Answered

  • ADS8689: 800Vdc measurement

    Resolved
    Part Number: ADS8689 Other Parts Discussed in Thread: OPA320 , ADS8509 Tool/software: Hi, I have a ADC design, based on the ADS8689IPW to measure a +/-800Vdc voltage connected to a 200:1 voltage divider. (We need to measure negative voltages to detect…
    • Resolved

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