Alternative Parts


Features and Benefits

  • Attenuation range: 1 dB LSB steps to 31 dB
  • Insertion loss: 1.7 dB typical at 3 GHz
  • Excellent attenuation accuracy: 0.3 dB typical
  • High Input linearity
    • 0.1dB compression (P0.1dB): 27 dBm typical
    • Third-order intercept (IP3): 48 dBm typical
  • High power handling: 27 dBm
  • Low phase shift: 27° at 3 GHz
  • Single-supply operation: 3 V to 5 V
  • CMOS-/TTL-compatible parallel control
  • 16-lead, 3 mm × 3 mm LFCSP package

HMC470A-EP supports defense and aerospace applications (AQEC standard)

  • Download the HMC470A-EP data sheet (pdf)
  • Military temperature range: −55°C to +125°C
  • Controlled manufacturing baseline
  • One assembly/test site
  • One fabrication site
  • Enhanced product change notification
  • Qualification data available on request
  • V62/17617 DSCC Drawing Number

Product Details

The HMC470A is a 5-bit digital attenuator with a 31 dB attenuation control range in 1 dB steps.

The HMC470A offers excellent attenuation accuracy and high input linearity over the specified frequency range from 100 MHz to 3 GHz. However, this digital attenuator features ACG pins for external ac grounding capacitors to extend the operation below 100 MHz.

The HMC470A operates with a single positive supply voltage from 3 V to 5 V and provides CMOS-/TTL-compatible parallel control interface by incorporating an on-chip driver. The HMC470A comes in a RoHS compliant, compact, 3 mm × 3 mm LFCSP package.


  • Cellular infrastructure
  • Microwave radios and very small aperture terminals (VSATs)
  • Test equipment and sensors
  • IF and RF designs

Product Lifecycle icon-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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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.