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AFE7222 - Analog Front End Wideband Mixed-Signal Transceiver

Description

The AFE7225/7222 is an analog front end designed for full- or half-duplex radios.

Over-sampling transmit 12-bit DACs provide output frequencies from baseband to Nyquist.

Under-sampling receive 12-bit ADCs allow analog inputs from baseband to ~230MHz.

Features

  • 1.
  • AFE7225.
  • Dual 12-Bit 250MSPS TX DACs.
  • Dual 12-Bit 125MSPS RX ADCs.
  • AFE7222.
  • Dual 12-Bit 130MSPS TX DACs.
  • Dual 12-Bit 65MSPS RX ADCs.

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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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AFE7222 AFE7225 www.ti.com SLOS711B – NOVEMBER 2011 – REVISED MARCH 2012 Analog Front End Wideband Mixed-Signal Transceiver Check for Samples: AFE7222, AFE7225 1 INTRODUCTION 1.1 FEATURES 1 • AFE7225 – Dual 12-Bit 250MSPS TX DACs – Dual 12-Bit 125MSPS RX ADCs • AFE7222 – Dual 12-Bit 130MSPS TX DACs – Dual 12-Bit 65MSPS RX ADCs • OPTIONS – Dual 12-Bit Auxiliary DACs – Dual Input 12-Bit Auxiliary ADC – TX Path Interpolation by 2 or 4 – RX Path Decimation by 2 – 3.0V/1.8V Supplies, Low Power – Fast Wakeup Modes for Half-Duplex – Coarse or Fine Digital Mixer – Quadrature Modulation Corrections – Clock Input Divide/Multiply – Serial LVDS or Interleaved Parallel CMOS Interface – 64-Pin QFN Package (9mm × 9mm) 1.
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