RFDA0057
400 - 2700 MHz Dual Channel Serial Controlled Digital Variable Gain Amplifier, 6-Bit, 0.5 dB Steps
Qorvo's RFDA0057 is a dual-channel, digital controlled variable gain amplifier featuring high linearity over the entire gain control range with noise figure less than 7dB in its maximum gain state. The gains of two 6-bit digital step attenuators are programmed with a serial mode control interface (SPI). The RFDA0057 is packaged in a small 7mm x 7mm 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.
Last Time Buy: September 5, 2020
Recommended replacement for new designs: RFDA0047
Contact your local sales representative for assistance.
Key Features
- Dual Channel VGA
- Frequency Range 400MHz to 2700MHz
- Full Internal Matching and No External Bias Inductors
- Two 6-Bit Digital Step Attenuators
- 12-Bit SPI Serial Control Programming
- High Channel Isolation = 50dBc Max Gain = 18.5dB at 900MHz
- Gain Control Range = 31.5dB (0.5dB Step Size)
- High OIP3/P1dB = +37/19dBm at 900MHz
- Single + 5V Supply
- Small 32-Pin, 7mm x 7mm, MCM
- Power-up Programming
Parameters
Technical Documents
Design Resources
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
Engage with the Qorvo community, ask technical questions and share insights.
Support
Get technical, application or customer support plus updates on supply chain and FAQs.
Sales
Connect with our sales team to gain tailored solutions, expert guidance and access to the latest technologies.
