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  • DAC8734EVM: Low noise boost converter for operation of DAC8734 from a single 5V source

    Resolved
    Part Number: DAC8734EVM Other Parts Discussed in Thread: DAC8734 , TPS65131 Hi, We have a load that needs a variable low noise programmable voltage between ±5V with around 250mA (we are using an op-amp buffer to support the current draw) . We are…
    • Resolved

  • DAC8734: Bipolar Range Change

    Part Number: DAC8734 Hi Team, My customer was under the impression that they could use the gain register to control the FSR of the Output independent of the outside connection path. I am not sure I understand the datasheet. Is it capable of true Bipolar…
    • Answered

  • DAC8734EVM: DAC8734 EVM powerup problem

    Resolved
    Part Number: DAC8734EVM Other Parts Discussed in Thread: DAC8734 , DAC7734 Hi, I just bought a new DAC8734 EVM board. I try to powerup the DAC8734 considering the powerup sequence given in datasheet. At first I connect the DVDD (+5V) and IOVDD (+3.3V) power…
    • Resolved

  • DAC8734: Pin terminate

    TI Thinks Resolved
    Part Number: DAC8734 Hi, What should be the state of the NC pins? Can they be left floating? Thanks & Regards, Nanjunda M

  • DAC8734: Not Able to get the full scale reading and issue with Zero and Gain settings

    Part Number: DAC8734 Hi, We are using the DAC8734 DAC in our design. We have designed the Ref as 2.5V and for bipolar operation from +5V to -5V. When we set the output to the maximum extreme (7f ff or 80 00) the values observed are only +4.74 & -4.84…
    • Answered

  • DAC8734: DAC8734 noise is too good

    Resolved
    Part Number: DAC8734 Other Parts Discussed in Thread: TEST I have an DAC8734 set for a gain of 2 with output +/-15V. I have it set to 0V out (midscale). The DAC output is connected to a low-noise preamplifier that has a 100KHz low pass filter. When I…
    • Resolved
    • Answered

  • DAC8734: output fail

    Resolved
    Part Number: DAC8734 Hi, DAC8734 output is controlled by 1sec under stand-alone and LDAC actvie high. After about 10min, setting fail or 0V output is occured. Is there any advise for this issue? I'm checking SPI timing. Thanks.
    • Resolved
    • Answered

  • DAC8734: Pin terminate

    Resolved
    Part Number: DAC8734 Hi sir, Could you help me on this inquiry? Some pins like AIN and VMON how to terminate if we are not going to use them ? floating or connect to GND? Thank u. Regards,
    • Resolved
    • Answered

  • DAC8734: DAC product selection

    Resolved
    Part Number: DAC8734 Other Parts Discussed in Thread: OPA454 , OPA547 , OPA551 Hi sir, Greeting. Any opamp or Instrumentation amplifier from TI to serve requirements below. The outputs of DAC8734 are single ended voltage ouputs. We need Differential(-10V…
    • Resolved
    • Answered

  • DAC8734: read fail

    Resolved
    Part Number: DAC8734 Other Parts Discussed in Thread: TEST , ABS once I dereset the DAC8734, the value of the reg0 should be 0x003C, but the chip returns 0x0000, I'm sure the chip is dereset and Load pin is tied to GND. I have 45 DAC8734 chips on my…
    • Resolved

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