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AD6641 Datasheet 250 MHz Bandwidth DPD Observation Receiver

Manufacturer: Analog Devices

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General Description

The AD6641 is a 250 MHz bandwidth digital predistortion (DPD) observation receiver that integrates a 12-bit 500 MSPS ADC, a 16k × 12 FIFO, and a multimode back end that allows users to retrieve the data through a serial port (SPORT), the SPI interface, a 12-bit parallel CMOS port, or a 6-bit DDR LVDS port after being stored in the integrated FIFO memory.

It is optimized for outstanding dynamic performance and low power consumption and is suitable for use in telecommunications applications such as a digital predistortion observation path where wider bandwidths are desired.

All necessary functions, including the sample-and-hold and voltage reference, are included on the chip to provide a complete signal conversion solution.

Overview

250 MHz Bandwidth DPD Observation Receiver AD6641.

Key Features

  • SNR = 65.8 dBFS at fIN up to 250 MHz at 500 MSPS ENOB of 10.5 bits at fIN up to 250 MHz at 500 MSPS (.
  • 1.0 dBFS) SFDR = 80 dBc at fIN up to 250 MHz at 500 MSPS (.
  • 1.0 dBFS) Excellent linearity DNL = ±0.5 LSB typical, INL = ±0.6 LSB typical Integrated 16k × 12 FIFO FIFO readback options 12-bit parallel CMOS at 62.5 MHz 6-bit DDR LVDS interface SPORT at 62.5 MHz SPI at 25 MHz High speed synchronization capability 1 GHz full power analog bandwidth Integrated input buffer On-chip refer.

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