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Home » NEWEST Products » New by Manufacturer » Texas Instruments » AFE7222 Analog Front End Wideband Transceiver - TI
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Texas Instruments AFE7222 Analog Front End Wideband Mixed-Signal Transceiver
Texas Instruments AFE7222 Analog Front End Wideband Mixed-Signal Transceiver

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Texas Instruments AFE7222 Analog Front End Wideband Mixed-Signal Transceiver

Texas Instruments AFE7222 Analog Front End Wideband Mixed-Signal Transceiver designed for full- or half-duplex radios. TI AFE7222 includes over-sampling transmit 12-bit DACs that provide output frequencies from baseband to Nyquist. This AFE transceiver also features under-sampling receive 12-bit ADCs that allow analog inputs from baseband to ~230MHz. Most blocks within the AFE7222 are independently controlled for optimization of power consumption versus utilization. Two auxiliary control 12-bit DACs and a dual input auxiliary monitoring 12-bit ADC are available via serial interface. Digital features include QMC (quadrature modulation correction), interpolation, decimation, RMS/peak power meter, and mixers with independent NCOs for RX and TX path.

Features
  • 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
Applications
  • Portable, Low Power Radio
  • Wireless Infrastructure
  • Point-to-Point Radio
  • Pico-Cell BTS

Performance Comparison: AFE7222 and AFE7225
Part Number ADC Sampling Rate (Max) (MSPS) ADC SNR (Typ (dB) ADC SFDR (Typ) (dB) DAC Sampling Rate (MSPS)
AFE7222 65 70.5 85 130
AFE7225 130 70.7 84 250

TI Video: Analog Front End For Femto Cell Basestations
  • Texas Instruments
  • Wireless
  • Semiconductors|Integrated Circuits|IC-Data Conversion