1. Products
  2. RF and Microwave
  3. RF Mixers
  4. Single, Double, and Triple Balanced Mixers
  5. LTC5549

Alternative Parts


Features and Benefits

  • Upconversion or Downconversion
  • High IIP3:
    • +28.2dBm at 5.8GHz
    • +22.8dBm at 12GHz
  • 8.0dB Conversion Loss at 5.8GHz
  • +14.3dBm Input P1dB at 5.8GHz
  • Integrated LO Buffer: 0dBm LO Drive
  • Bypassable Integrated LO Frequency Doubler
  • Low LO-RF Leakage: <–30dBm
  • 50Ω Single-Ended RF, LO and IF Ports
  • 3.3V/115mA Supply
  • Fast Turn ON/OFF for TDD Operation
  • 2mm × 3mm, 12-Lead QFN Package

Product Details

The LTC5549 is a general purpose passive doublebalanced mixer that can be used for upconversion or downconversion. The RF port is designed for the 2GHz to 14GHz band and the IF port is optimized for 500MHz to 6GHz operation. An integrated LO buffer amplifier supports LO frequencies from 1GHz to 12GHz, requiring only 0dBm LO power. The LTC5549 delivers high IIP3 and input P1dB with low power consumption.

An internal LO frequency doubler can be enabled by a CMOS-compatible digital control pin, allowing operation with a lower, one-half LO input frequency. This allows the mixer’s LO port to be used with existing synthesizers, such as the LTC6946 and LTC6948 family.

The LTC5549’s high level of integration minimizes the total solution cost, board space and system level variation with its 2mm × 3mm package size.


  • Microwave Transceivers
  • Wireless Backhaul
  • Point-to-Point Microwave
  • Phased-Array Antennas
  • C, X and Ku Band RADAR
  • Test Equipment
  • Satellite MODEMs

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Tools & Simulations


Design Tools


ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

Product Recommendations

LTC5549 Companion Parts

Recommended D/A Converters

Recommended Output Amplifiers

Recommended Related Parts

Recommended Suggested Oscillator

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.

Part Number Material Declaration Reliability Data Pin/Package Drawing CAD Symbols, Footprints & 3D Models
LTC5549IUDB#TRMPBF Material Declaration Reliability Data 12-Lead QFN (3mm x 2mm x 0.75mm)
LTC5549IUDB#TRPBF Material Declaration Reliability Data 12-Lead QFN (3mm x 2mm x 0.75mm)
Wafer Fabrication Data LTC5549 Reliability Data

Sample & Buy

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Buy Now Pricing

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List Pricing

(*)The 1Ku list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


Lead Times

Please see the latest communication from our CCO regarding lead times.



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Price Table Help


Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.