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Results on Analog.com

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  1. AD7818
    Production
    Product
    Single Channel A/D Converters
    Temperature Sensor (On-Chip) Single-Channel, 9 µs, 10-Bit ADC
    AD7818

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  2. AD7817
    Production
    Product
    Multiplexed A/D Converters
    Temperature Sensor (On Chip) 4-Channel, 9 µs, 10-Bit ADC
    AD7817

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    Sample & Buy

  3. AD7814
    Production
    Product
    Digital Temperature Sensors
    Temperature Sensor: 10-Bit Digital in 6-Lead SOT-23
    AD7814

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  4. AD7418
    Production
    Product
    Digital Temperature Sensors
    10-Bit Digital Temperature Sensor and Single Channel ADC
    AD7418

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  5. AD818
    Production
    Product
    Low Noise Op Amps (≤ 10nV/√Hz)
    Low Cost, Low Power Video Op Amp
    AD818

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  6. AD7858
    Production
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    Multiplexed A/D Converters
    3 V to 5 V Single Supply, 200 kSPS, 8-Channel, 12-Bit, Serial Sampling ADC
    AD7858

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  7. AD7888
    Production
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    Multiplexed A/D Converters
    2.7 V to 5.25 V, Micro Power, 8-Channel, 125 kSPS, 12-Bit ADC in 16-Pin TSSOP
    AD7888

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  8. AD7898
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    Single Channel A/D Converters
    5V, 12-Bit, Serial 220 kSPS ADC in a 8-Lead Package
    AD7898

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  9. AD818: Low Cost, Low Power Video Op Amp Data Sheet
    Data Sheet

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    1007 kB

  10. AD7868: CMOS, Complete 12-Bit Analog I/O System Data Sheet
    Data Sheet

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    1. IBIS or Spice model for AD7888ARUZ

      Forum Thread
      Answered
      Precision ADCs
      06 May, 2020
      Hi, We are using AD7888ARUZ in our Design. We need IBIS or Spice model for this. Please share if this is available. Thanks & regards Kranthi
      MAY20_SIMULATIONMAY20_AD7888

    2. AD7888ARUZ generating spikes on digital output

      Forum Thread
      Answered
      Precision ADCs
      04 August, 2014
      Hello Everyone We are having a problem with the AD7888ARUZ. This problem is that the results of the ADC sometimes jump approxemetly 64 bit while the input stays relatively constand, and no more than 1-4 value differences are expected. In the below graph we has set the input value …
      ad7888aruz

    3. RE: IBIS or Spice model for AD7888ARUZ

      Forum Reply
      Precision ADCs
      19 May, 2020
      Kranthi Follow this link to the model (also on product page) https://www.analog.com/media/en/simulation-models/ibis-models/ad7888_16tssop_abver.ibs Sean

    4. RE: IBIS or Spice model for AD7888ARUZ

      Forum Reply
      Precision ADCs
      19 May, 2020
      Kranthi, The model was just released to me and I will be putting up on the Product page ASAP. Unfortunately the system does not allow me to upload the file to the thread. Sean

    5. RE: IBIS or Spice model for AD7888ARUZ

      Forum Reply
      Precision ADCs
      06 May, 2020
      Kranthi, We do not have an IBIS or SPICE model available for this generic at the moment. I will submit a request for an IBIS model for you now and I will follow up when I have received a commitment for the model availability. Please note that due to COVID …

    6. RE: AD7888ARUZ generating spikes on digital output

      Forum Reply
      Precision ADCs
      17 August, 2014
      Hi Wouter, I can see that there is a 100nf capacitor on the ref pin. Can you try changing to larger capacitor value, like 10uf. From your reference circuit, the ADR3440 is the source for the 4.096V and 2.418V reference. right? so the 47k and 82k and 390k …

    7. RE: AD7888ARUZ generating spikes on digital output

      Forum Reply
      Precision ADCs
      11 August, 2014
      Hello Jonathan, I cannot share the full schematic with you but the 4,096V reference part should not be a problem. It is shown below. The 5V power supply is from a PC USB port. Regards, Wouter

    8. RE: AD7888ARUZ generating spikes on digital output

      Forum Reply
      Precision ADCs
      05 August, 2014
      Hi Wouter, There is a possibilty that the spikes usually occur near a major code transition or when ADC have heavier weighted most significant bit decision. From the data above, it looks like from code 575(dec) to 576(dec). I am just curious, what reference are you using for …

    9. RE: AD7888ARUZ generating spikes on digital output

      Forum Reply
      Precision ADCs
      05 August, 2014
      Hello Jonathan, The spikes also occure on other values than the range 500 to 800 but they are not shown in the graph as it did not occure during the test measurement of the graph. The reference voltage is 4,096V and is stable. The resistor is 1500 ohm. Below …

    10. RE: AD7888ARUZ generating spikes on digital output

      Forum Reply
      Precision ADCs
      04 August, 2014
      Hi Wouter, I can see that the spikes occur between ADC values from 500 to 800. Are you using external reference? If so please make sure that the reference source is stable. A not consistent reference will greatly affect ADC conversion. What is the value of the reference voltage? From …