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AD9142 - Digital-to-Analog Converter

General Description

The AD9142 is a dual, 16-bit, high dynamic range digital-toanalog converter (DAC) that provides a sample rate of 1600 MSPS, permitting a multicarrier generation up to the Nyquist frequency.

Key Features

  • Very small inherent latency variation: 85 dBc (bandwidth = 300 MHz) at ZIF Flexible 16-bit LVDS interface Supports word and byte load Multiple chip synchronization Fixed latency and data generator latency compensation Selectable 2×, 4×, 8× interpolation filter Low power architecture fS/4 power saving coarse mixer Input signal power detection Emergency stop for downstream analog cir.

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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.

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Data Sheet FEATURES Very small inherent latency variation: <2 DAC clock cycles Proprietary low spurious and distortion design 6-carrier GSM ACLR = 79 dBc at 200 MHz IF SFDR > 85 dBc (bandwidth = 300 MHz) at ZIF Flexible 16-bit LVDS interface Supports word and byte load Multiple chip synchronization Fixed latency and data generator latency compensation Selectable 2×, 4×, 8× interpolation filter Low power architecture fS/4 power saving coarse mixer Input signal power detection Emergency stop for downstream analog circuitry protection FIFO error detection On-chip numeric control oscillator allows carrier placement anywhere in the DAC Nyquist bandwidth Transmit enable function for extra power saving High performance, low noise PLL clock multiplier Digital gain and phase adjustment for sideband