GENERAL DESCRIPTION
The AD9251 is a monolithic, dual-channel, 1.8 V supply, 14-bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS analog-to-digital converter (ADC). It features a high performance sample-andhold circuit and on-chip voltage reference.

FEATURES
    1.8 V analog supply operation
    1.8 V to 3.3 V output supply
    SNR
        74.3 dBFS at 9.7 MHz input
        71.5 dBFS at 200 MHz input
    SFDR
        93 dBc at 9.7 MHz input
        80 dBc at 200 MHz input
    Low power
        33 mW per channel at 20 MSPS
        73 mW per channel at 80 MSPS
    Differential input with 700 MHz bandwidth
    On-chip voltage reference and sample-and-hold circuit
    2 V p-p differential analog input
    DNL = ±0.45 LSB
    Serial port control options
        Offset binary, gray code, or twos complement data format
        Optional clock duty cycle stabilizer
        Integer 1-to-8 input clock divider
        Data output multiplex option
        Built-in selectable digital test pattern generation
        Energy-saving power-down modes
        Data clock out with programmable clock and data alignment

APPLICATIONS
    Communications
    Diversity radio systems
    Multimode digital receivers GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA
    I/Q demodulation systems
    Smart antenna systems
    Battery-powered instruments
    Hand held scope meters
    Portable medical imaging
    Ultrasound
    Radar/LIDAR