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AD9957 - 1 GSPS Quadrature Digital Upconverter

Description

The AD9957 functions as a universal I/Q modulator and agile upconverter for communications systems where cost, size, power consumption, and dynamic performance are critical.

Features

  • 1 GSPS internal clock speed (up to 400 MHz analog output) Integrated 1 GSPS 14-bit DAC 250 MSPS input data rate Phase noise ≤.
  • 125 dBc/Hz (400 MHz carrier @ 1 kHz offset) Excellent dynamic performance >80 dB narrow-band SFDR 8 programmable profiles for shift keying Sin(x)/(x) correction (inverse sinc filter) Reference clock multiplier Internal oscillator for a single crystal operation Software and hardware controlled power-down Integrated RAM Phase modulation capability Multichip synchro.

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Datasheet Details

Part number AD9957
Manufacturer Analog Devices
File Size 1.51 MB
Description 1 GSPS Quadrature Digital Upconverter
Datasheet download datasheet AD9957 Datasheet
Additional preview pages of the AD9957 datasheet.

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Full PDF Text Transcription

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Data Sheet 1 GSPS Quadrature Digital Upconverter with 18-Bit I/Q Data Path and 14-Bit DAC AD9957 FEATURES 1 GSPS internal clock speed (up to 400 MHz analog output) Integrated 1 GSPS 14-bit DAC 250 MSPS input data rate Phase noise ≤ −125 dBc/Hz (400 MHz carrier @ 1 kHz offset) Excellent dynamic performance >80 dB narrow-band SFDR 8 programmable profiles for shift keying Sin(x)/(x) correction (inverse sinc filter) Reference clock multiplier Internal oscillator for a single crystal operation Software and hardware controlled power-down Integrated RAM Phase modulation capability Multichip synchronization Easy interface to Blackfin SPORT Interpolation factors from 4× to 252× Interpolation DAC mode Gain control DAC Internal divider allows references up to 2 GHz 1.8 V and 3.
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