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 Max Throughput Rates:
        5.4 mW Max at 870 kSPS with 3 V Supplies
        12.5 mW Max 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
A Max
    28-Lead TSSOP and 32-Lead LFCSP Packages