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ADC122S655: Channels are sampled simultaneously.

Naser S.
Genius 11605 points
Part Number: ADC122S655
Other Parts Discussed in Thread: ADS8353, ADS7853, ADS7253

The analog inputs on  ADC122S655 both channels are sampled simultaneously. Is it mean both channels a and channel B are sampled synchronously. Is there any device with dual channels, singled end, 12 to 16 bits, 1Msps which are sampled synchronously. Thanks.

  • 0
    TI__Mastermind 21685 points
    Naser,
    >>>Is it mean both channels a and channel B are sampled synchronously.
    Yes both channel A and channel B are sampled synchronously: ADC122S655 has builtin two ADCs to convert channel A and channel B signal simultaneously on the fourth falling edge of SCLK after CS\ is asserted. Note result is output first for channel A and then for channel B.

    >>>Is there any device with dual channels, singled end, 12 to 16 bits, 1Msps which are sampled synchronously.
    Yes. Please look at ADS7253/ADS7853/ADS8353 family
    www.ti.com/.../description

    This is 16-, 14-, and 12-bit pin compatible family of devices. Device has dedicate DOUT pin for each channel so data can also be read out simultaneously.

    Thanks,
    Vishy