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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fgpn%2Ftrf1208″>View Datasheet

Texas Instruments TRF1208 ADC Driver Amplifier

Texas Instruments TRF1208 ADC Driver Amplifier is a high-performance RF Amplifier optimized for radio frequency (RF) applications. This device is ideal for ac-coupled applications that require a single-ended to differential conversion when driving an analog-to-digital converter (ADC), such as the high-performance ADC12DJ5200RF. The on-chip matching components simplify printed circuit board (PCB) implementation and provide the highest performance over the usable bandwidth. The device is fabricated in Texas Instruments’ advanced complementary BiCMOS process and is available in a space-saving WQFN-FCRLF package. It operates on a single-rail supply and consumes about 138mA of active current. A power-down feature is also available for power savings.

Features

  • Superior single-ended to differential conversion performance as ADC driver
  • It also works in differential to single-ended mode to work as a DAC buffer
  • 11GHz, 3dB bandwidth
  • 8GHz, 1dB gain flatness
  • Fixed SE to Diff power gain of 16dB
  • OIP3 performance
    • 37dBm at 2GHz
    • 32dBm at 6GHz
  • P1dB performance
    • 15dBm at 2GHz
    • 12.5dBm at 6GHz
  • Noise figure
    • 7dB at 2GHz
    • 7dB at 8GHz
  • ±0.3dB / ±3 degrees gain and phase imbalance
  • Power-down feature
  • 3.3V single-supply operation
  • 138mA active current

Applications

  • Directly drives RF sampling or Gsps ADCs
  • Suitable for aerospace and defense applications with up to X-band support
  • High linearity to support next-generation 5G systems
  • Low noise figure for better signal integrity
  • Reduced system size with a small footprint and elimination of passive RF balun
  • Phased array radar
  • Low power, power-down mode with digital PD control for optimized system design
  • Military radios
  • High-speed digitizer
  • 4G/5G wireless BTS
  • RF active balun
  • Test and measurement

Functional Block Diagram

Block Diagram - Texas Instruments TRF1208 ADC Driver Amplifier

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Texas Instruments TRF1208 ADC Driver Amplifier