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MAX19708 - Ultra-Low-Power Analog Front-End

General Description

The MAX19708 is an ultra-low-power, mixed-signal analog front-end (AFE) designed for TD-SCDMA handsets and data cards.

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 Modes.
  • Integrated TD-SCDMA Filters with > 55dB Stopband Rejection.
  • Programmable Tx DAC Common-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.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
19-3764; Rev 0; 8/05 KIT ATION EVALU LE B A IL A AV 10-Bit, 11Msps, Ultra-Low-Power Analog Front-End 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 Modes ♦ Integrated TD-SCDMA Filters with > 55dB Stopband Rejection ♦ Programmable Tx DAC Common-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.