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Amplifiers
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Variable Gain Amplifiers
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RFDA0056

RFDA0056

300 - 1100 MHz Serial Controlled Digital Variable Gain Amplifier, 6-Bit, 0.5 dB Steps

Qorvo's RFDA0056 is a digital controlled variable gain amplifier featuring high linearity over the entire gain control range. The gain of the 6-bit digital step attenuator is programmed with a serial mode control interface (SPI). The RFDA0056 is packaged in a small 6mm x 6mm leadless laminate MCM, which contains plated through thermal vias for ultra-low thermal resistance. This module is easy to use with no external matching components required.

Discontinued
i
End of Life announced January 31, 2018 (PCN 18-0011).
Last Time Buy Aug 10, 2018.
Please use RFDA0026 for new designs.
Contact your local sales representative for assistance.
Product Data Sheet09/26/2012
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • Frequency Range 300MHz to 1100MHz
  • Full Internal Matching and No External Bias Inductors
  • 6-Bit Digital Step Attenuator
  • SPI Serial Control Programming
  • Gain Control Range = 31.5dB (0.5dB Step Size)
  • High OIP3/P1dB = +44/25dBm Typical at 450MHz
  • Single +5V Supply
  • Small 28-Pin, 6mm x 6mm, MCM
  • Power-up Programming

Parameters

Frequency Min (MHz)
300
Frequency Max (MHz)
1,100
Attenuation Range (dB)
31.5
Gain @ 0 dB Atten (dB)
36
OP1dB (dBm)
25
OIP3 (dBm)
44
Bits
6
NF (dB)
4.2
Voltage (V)
5
Current (mA)
215
Package Type
MCM
Package Size (mm)
6 x 6
ECCN
5A991.G

Technical Documents

Filters
4 results found
All (4)
  • Product Data Sheet

    09/26/2012
    Data Sheet
  • Reference Manual: Control Bit Generator Software

    Application Note
  • RFDA0056 Manufacturing Notes

    Application Note
  • RFDA0056 Qualification Report

    Qualification Report
Results per page
10

Design Resources

Filters
1 result found
All (1)
  • Software

    CBG software v1.9.3

    Software
Results per page
10

Need more support?

At Qorvo, our customers are a core part of what we do, and we want every experience you have with us to be as reliable as our products. If you have a question or if something isn't working the way you expect, please let us know.

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Qorvo products are at work connecting, protecting and powering the planet. We bring core radio frequency (RF) and power technologies and solutions to automotive, consumer, defense & aerospace, industrial & enterprise, infrastructure and mobile markets.

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© 2026 Qorvo US, Inc

|

+1-833-641-3810

/
Products
/
Amplifiers
/
Variable Gain Amplifiers
/
RFDA0056

RFDA0056

300 - 1100 MHz Serial Controlled Digital Variable Gain Amplifier, 6-Bit, 0.5 dB Steps

Qorvo's RFDA0056 is a digital controlled variable gain amplifier featuring high linearity over the entire gain control range. The gain of the 6-bit digital step attenuator is programmed with a serial mode control interface (SPI). The RFDA0056 is packaged in a small 6mm x 6mm leadless laminate MCM, which contains plated through thermal vias for ultra-low thermal resistance. This module is easy to use with no external matching components required.

Discontinued
i
End of Life announced January 31, 2018 (PCN 18-0011).
Last Time Buy Aug 10, 2018.
Please use RFDA0026 for new designs.
Contact your local sales representative for assistance.
Product Data Sheet09/26/2012
Buy OnlineRequest a SampleContact Sales
Buy OnlineRequest a SampleContact Sales

Key Features

  • Frequency Range 300MHz to 1100MHz
  • Full Internal Matching and No External Bias Inductors
  • 6-Bit Digital Step Attenuator
  • SPI Serial Control Programming
  • Gain Control Range = 31.5dB (0.5dB Step Size)
  • High OIP3/P1dB = +44/25dBm Typical at 450MHz
  • Single +5V Supply
  • Small 28-Pin, 6mm x 6mm, MCM
  • Power-up Programming

Parameters

Frequency Min (MHz)
300
Frequency Max (MHz)
1,100
Attenuation Range (dB)
31.5
Gain @ 0 dB Atten (dB)
36
OP1dB (dBm)
25
OIP3 (dBm)
44
Bits
6
NF (dB)
4.2
Voltage (V)
5
Current (mA)
215
Package Type
MCM
Package Size (mm)
6 x 6
ECCN
5A991.G

Technical Documents

Filters
4 results found
All (4)
  • Product Data Sheet

    09/26/2012
    Data Sheet
  • Reference Manual: Control Bit Generator Software

    Application Note
  • RFDA0056 Manufacturing Notes

    Application Note
  • RFDA0056 Qualification Report

    Qualification Report
Results per page
10

Design Resources

Filters
1 result found
All (1)
  • Software

    CBG software v1.9.3

    Software
Results per page
10

Need more support?

At Qorvo, our customers are a core part of what we do, and we want every experience you have with us to be as reliable as our products. If you have a question or if something isn't working the way you expect, please let us know.

Forum

Forum

Engage with the Qorvo community, ask technical questions and share insights.

Support

Support

Get technical, application or customer support plus updates on supply chain and FAQs.

Sales

Sales

Connect with our sales team to gain tailored solutions, expert guidance and access to the latest technologies.

Stay up to date with us.

Sign up for notification on new products, product/process change notifications (PCNs) and end of life (EOL) alerts.

Sign Up

Qorvo products are at work connecting, protecting and powering the planet. We bring core radio frequency (RF) and power technologies and solutions to automotive, consumer, defense & aerospace, industrial & enterprise, infrastructure and mobile markets.

Stay Connected

  • Facebook
  • X
  • LinkedIn
  • YouTube
  • Products
  • Solutions
  • Design Hub
  • New Products
  • Product Compliance
  • Blog Posts
  • Events & Trade Shows
  • News Releases
  • Success Stories
  • Technical Articles
  • About Us
  • Careers
  • Corporate Videos
  • Quality
  • Locations
  • Investors
  • How to Buy
  • Forums
  • Portals
  • Contact Us
  • Subscription Center
Site MapFeedbackLegalPrivacySupply Chain Transparency

© 2026 Qorvo US, Inc

|

+1-833-641-3810

Qorvo
  • Products
  • Solutions
  • Design Hub
  • Support
  • About Us
Qorvo
Qorvo
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