• LDC - AD7147 Eval-Board

    When we connected an AD7143-1 externally to AD7147-1 evaluation board (instead
    of AD7147-1), we noticed an automatic change in configuration/ID register of
    EEPROM. When we reconnected AD7147-1 (instead of AD7143-1) the configuration/ID
  • RE: 能读取AD7143的设备ID号,却无法正确读取其AD采集的数据。

    您可以直接用示波器测量到AD7143的输出吗?如果可以测量到AD7143的管脚输出,您后面的软件没有办法读到数据,有可能是您的板子虚焊。

  • Does the pad on the AD7143 CDAC chip have to be grounded?

    Hi,

    Does the pad on the underside of the AD7143 (QFN-like package) have to be grounded for the IC to work?

    I have connected everything up except this pad, and the chip won't respond over I2C (no acknowledge bit).

    Cheers, Geo

  • RE: Two capacitive input for AD7747

    Hello Idowu,

    The AD7746 cannot be used for single electrode sensing; shorting the Excitation pins to the CIN pins will saturate the readings of the sensor.

    The AD7747 is the only single ended device in this family, but you could look at the CapTouch…

  • RE: ADD7746 - Testing/Measuring Multiple CDCs Simultaneously?

    Hi Allan,

    Sorry for the delay in getting back to you.  If you need multiple sensor inputs then have you considered maybe the AD7142 or AD7143 parts?  These parts have multiple sensor inputs so they would reduce the need to use multiple AD7746 chips.

  • Mux for Cap-to-D converter

    Hi All,

     

    For a project, I want to differentially sense multiple capacitive channels (non-touch application), and I am thinking of using 6-7 units of the AD7143 chipset. I was wondering if anybody knew a good multiplexer to switch between these chips…

  • RE: Looking for a AD7152 replacement

    Hi

    there are couple of parts that provide more number of channels but they are limited to applications such as single electrode capacitance sensors or have touch sensor type of applications.

    http://www.analog.com/en/products/analog-to-digital-converters…

  • Driving AD7150 as a slave via I2C

    Hi All,

    I am trying to figure out how to control my AD7150 eval board using an external microcontroller (Cypress PSOC 4 Pioneer dev. kit). Does anyone have a step-by-step solution to do this, preferably with application code in the C programming language…

  • AD7148: Effect of water

    I would like to use some capacitive buttons (up to 8) in a shower control
    system. The buttons will be inside the shower box. The customer, wet because
    under shower, has to touch the buttons to interact with the system. Clearly is
    an hard…
  • TAGS LIST: Data Converters

    AD693
    AD5410
    AD5412
    AD5420
    AD5422
    AD5735
    AD5755
    AD5755-1
    AD5737
    AD5757
    AD5421
    AD421
    AD5758
    AD7569
    AD7669
    AD7868
    AD7869
    AD5593R
    AD5592R
    AD5940
    AD5941
    AD7293
    AD7294-2
    AD7292
    AD5590
    AD7294
    L…