RFDA4005
50 - 4000 MHz Serial Controlled Digital Variable Gain Amplifier, 6-Bit, 0.5 dB Steps
End of Life announced November 14, 2025 (PCN 25-0146).
Last Time Buy: May 25, 2026
Recommended replacement for new designs: RFSA3613, QPA9127
Contact your local sales representative for assistance.
Note: Any orders for Last Time Buy materials from Qorvo are considered non-cancellable, non-returnable.
Key Features
- Broadband 50MHz to 4000MHz Operation
- 6-Bit Digital Step Attenuator
- Serial Mode Programming
- Gain = -13.5 to +18dB (0.5dB Step Size)
- High OIP3/P1dB = +36dBm/20dBm
- Single +5V Supply
- Small 32-Pin, 5.2mm x 5.2mm, MCM (Footprint Compatible with 5mm x 5mm, 32-Pin QFN)
Qorvo's RFDA4005 is a digitally controlled variable gain amplifier featuring high linearity over the entire gain control range with noise figure less than 6dB in its maximum gain state. The gain of the 6-bit digital step attenuator is programmed with a serial mode control interface. The RFDA4005 is packaged in a small 5.2mm x 5.2mm leadless laminate MCM which contains plated through thermal vias for ultra-low thermal resistance. The footprint for this module is directly compatible with a 5mm x 5mm QFN. This module is easy to use with no external matching components required.
Product Categories
Application Categories
| Frequency Min(MHz) | 50 |
| Frequency Max(MHz) | 4,000 |
| Gain @ 0 dB Atten(dB) | 18 |
| OP1dB(dBm) | 20 |
| OIP3(dBm) | 36 |
| Bits | 6 |
| Voltage(V) | 5 |
| Current(mA) | 82 |
| Package Type | MCM |
| Package(mm) | 5.2 x 5.2 |
| ECCN | 5A991.G |