GENERAL DESCRIPTION
This monolithic 3 V CMOS device is a low power, two-channel, input port with signal conditioning. The receive path is composed of two high performance sigma-delta ADCs with digital filtering. A common bandgap reference feeds the ADCs.
   
FEATURES
    +3 V Supply Voltage
    Baseband Serial Port (BSPORT)
    Differential IRx and QRx
    ADC Channels
        Two 15-Bit Sigma-Delta A/D Converters
        FIR Digital Filters
        64 dB SNR
        Output Word Rate 270.83 kHz
        Twos Complement Coding
        On-Chip Offset Calibration
        Power-Down Mode
    Auxiliary D/A Converter
    Auxiliary Serial Port (ASPORT)
    On-Chip Voltage Reference
    Low Power
    28-Lead TSSOP/28-Lead SOIC
   
APPLICATIONS
    GSM Basestations
    Pagers