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MAX19692

Part Number	MAX19692
Manufacturer	Maxim Integrated
Description	Multi-Nyquist DAC
Published	Mar 27, 2020
Detailed Description	19-0517; Rev 0; 6/06 EVAALVUAAILTAIOBNLEKIT 12-Bit, 2.3Gsps, Multi-Nyquist DAC with Selectable Frequency Response MAX19...
Datasheet	MAX19692 PDF File

Overview

19-0517; Rev 0; 6/06 EVAALVUAAILTAIOBNLEKIT 12-Bit, 2.
3Gsps, Multi-Nyquist DAC with Selectable Frequency Response MAX19692 General Description The MAX19692 12-bit, 2.
3Gsps digital-to-analog converter (DAC) enables direct digital synthesis of high-frequency and wideband signals in baseband and higher Nyquist zones.
It has been optimized for wideband communications and radar applications.
It has excellent spurious and noise performance and can be used for synthesis of wideband signals in the frequency range from DC to more than 2GHz.
The 2.
3Gsps update rate allows digital generation of signals with more than 1GHz bandwidth.
The selectable frequency response enables signal output with high SNR and excellent gain flatness in the first three Nyquist zones, reducing the number of upconversion stages needed in a radio transmitter.
With its unique ability to generate broadband signals over a wide frequency range, the MAX19692 enables ultra-high data rate wireless modems and multistandard software radio transmitters.
The MAX19692 features an update rate up to 2.
3Gsps, and has four 12-bit multiplexed low-voltage differential signaling (LVDS) input ports that each operate up to 575MHz.
The device accepts a clock at the DAC update rate that can be either a sine wave or a square wave.
The input data rate is 1/4 the DAC update rate.
The MAX19692 provides an LVDS data clock output to simplify interfacing to FPGA or ASIC devices.
The MAX19692 has three frequency response output modes: • Non-Return-to-Zero (NRZ) mode is the most common in the industry and provides highest dynamic range and output power in the 1st Nyquist zone.
• Return-to-Zero (RZ) mode trades off SNR for improved gain flatness in the 1st, 2nd, and 3rd Nyquist zones.
• Radio Frequency (RF) mode provides higher SNR and excellent dynamic performance in the 2nd and 3rd Nyquist zones.
The MAX19692 is a current-steering DAC with an integrated, self-calibrated 50Ω differential output termination to ensure optimum dynami...

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