GENERAL DESCRIPTION
The AD7490 is a 12-bit high speed, low power, 16-channel, successive approximation ADC. The part operates from a single 2.7 V to 5.25 V power supply and features throughput rates up to 1 MSPS. The part contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 1 MHz.

FEATURES
    Fast throughput rate: 1 MSPS
    Specified for VDD of 2.7 V to 5.25 V
    Low power at maximum throughput rates
        5.4 mW maximum at 870 kSPS with 3 V supplies
        12.5 mW maximum at 1 MSPS with 5 V supplies
    16 (single-ended) inputs with sequencer
    Wide input bandwidth 69.5 dB SNR at 50 kHz input frequency
    Flexible power/serial clock speed management
    No pipeline delays
    High speed serial interface, SPI/QSPI™/MICROWIRE™/DSP compatible
    Full shutdown mode: 0.5 µA maximum
    28-lead TSSOP and 32-lead LFCSP packages