MAX19707 Datasheet | Maxim Integrated

19-3826; Rev 1; 6/07 KIT ATION EVALU E L B AVAILA 10-Bit, 45Msps, Ultra-Low-Power Analog Front-End Features - Dual, 10-Bit, 45Msps Rx ADC and Dual, 10-Bit, 45Msps Tx DAC - Ultra-Low Power 84.6m W at f CLK = 45MHz, Fast Mode 77.1m W at f CLK = 45MHz, Slow Mode Low-Current Standby and Shutdown Modes - Programmable Tx DAC mon-Mode DC Level and I/Q Offset Trim - Excellent Dynamic Performance SNR = 54.2d B at f IN = 5.5MHz (Rx ADC) SFDR = 73.2d Bc at f OUT = 2.2MHz (Tx DAC) - Three 12-Bit, 1µs Aux-DACs - 10-Bit, 333ksps Aux-ADC with 4:1 Input Mux and Data Averaging - Excellent Gain/Phase Match ±0.03° Phase, ±0.01d B Gain (Rx ADC) at f IN = 5.5MHz - Multiplexed Parallel Digital I/O - Serial-Interface Control - Versatile Power-Control Circuits Shutdown, Standby, Idle, Tx/Rx Disable - Miniature 48-Pin Thin QFN Package (7mm x 7mm x 0.8mm) General Description The MAX19707 is an ultra-low-power, mixed-signal analog front-end (AFE) designed for power-sensitive munication equipment. Optimized for high dynamic performance at ultra-low power, the device integrates a dual, 10-bit, 45Msps receive (Rx) ADC; dual, 10-bit, 45Msps transmit (Tx) DAC; three fast-settling 12-bit aux-DAC channels for ancillary RF front-end control; and a 10-bit, 333ksps housekeeping aux-ADC. The typical operating power in Tx-Rx FAST mode is 84.6m W at a 45MHz clock frequency. The Rx ADCs feature 54.2d B SNR and 71.2d Bc SFDR at f IN = 5.5MHz and f CLK = 45MHz. The analog I/Q input amplifiers are fully differential and accept 1.024VP-P full-scale signals. Typical I/Q channel matching is ±0.03° phase and ±0.01d B gain. The Tx DACs feature 73.2d Bc SFDR at f OUT = 2.2MHz and f CLK = 45MHz. The analog I/Q full-scale output voltage is ±400m V differential. The Tx DAC mon-mode DC level is programmable from 0.71V to 1.05V. The I/Q channel offset is programmable to optimize radio lineup sideband/carrier suppresion. The typical I/Q channel matching is ±0.01d B gain and ±0.07° phase. The Rx ADC and Tx DAC share a single,...