SLOSED7 July   2026 TRF0108-SP

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Quality Conformance Inspection
    7. 5.7 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 AC-Coupled Configuration
    4. 6.4 Device Functional Modes
      1. 6.4.1 Power-Down Mode
  8. 7 Application and Implementation
    1. 7.1 Application Information
      1. 7.1.1 Thermal Considerations
    2. 7.2 Typical Application
      1. 7.2.1 RF DAC Buffer Amplifier
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Performance Plots
    3. 7.3 Power Supply Recommendations
      1. 7.3.1 Single-Supply Operation
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information
    1. 10.1 Mechanical Data

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7.2.1 RF DAC Buffer Amplifier

A common application of the TRF0108-SP is to function as a buffer amplifier for an RF DAC, such as the DAC39RF10-SP or AFE7950-SP, which have differential outputs. Conventionally, passive baluns are used to interface with RF DACs as a result of the low-availability of high-bandwidth, linear amplifiers. The TRF0108-SP is a differential-to-single-ended amplifier that has excellent gain and phase imbalance, input and output return loss, and exceeds the performance of bulky and expensive passive baluns for DAC buffer applications. The TRF0108-SP integrates the functionality of a wide-band passive balun and gain-block in a single 2mm x 2mm package, reducing PCB area for high channel count RF systems.

The following figure shows the schematic where the TRF0108-SP is used as a D2S RF amplifier converting the differential DAC output to single ended and providing RF gain.

TRF0108-SP Interfacing With an RF DAC Figure 7-1 Interfacing With an RF DAC