MAX19708 Overview
The MAX19708 is an ultra-low-power, mixed-signal analog front-end (AFE) designed for TD-SCDMA handsets and data cards. Optimized for high dynamic performance at ultra-low power, the device integrates a dual 10-bit, 11Msps receive (Rx) ADC; dual 10-bit, 11Msps transmit (Tx) DAC with TD-SCDMA baseband filters;.
MAX19708 Key Features
- Dual 10-Bit, 11Msps Rx ADC and Dual 10-Bit, 11Msps Tx DAC
- Ultra-Low Power 36.9mW at fCLK = 5.12MHz, Fast Mode 19.8mW at fCLK = 5.12MHz, Slow Mode Low-Current Standby and Shutdown
- Integrated TD-SCDMA Filters with > 55dB Stopband Rejection
- Programmable Tx DAC mon-Mode DC Level and I/Q Offset Trim
- Excellent Dynamic Performance SNR = 55dB at fIN = 1.87MHz (Rx ADC) SFDR = 73dBc at fOUT = 620kHz (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 ±0.08° Phase, ±0.02dB Gain (Rx ADC) at fIN = 1.87MHz
- Multiplexed Parallel Digital I/O
- Serial-Interface Control