RFSA2644
50 - 4000 MHz Serial Controlled Digital Step Attenuator, 6-Bit, 0.5 dB Steps
Discontinued >
End of Life announced May 23, 2019 (PCN 19-0094).
Last Time Buy: June 3, 2020
Recommended replacement for new designs: RFSA3714
Contact your local sales representative for assistance.
Key Features
- Frequency Range 50MHz to 4000MHz
- 6-Bits, 31.5dB Range, 0.5dB Step
- High Linearity, IP3 >48dBm
- 3V and 5V Logic Compatible
- Serial-to-Parallel Controller
- Serial Programming Interface
- Power-up Programming Modes
- On-Chip ESD Protection Class 1C HBM
- Single Supply, 3V to 5V Operation
- Footprint Compatible with Most 24-Pin, 4mm x 4mm, QFNs
Qorvo's RFSA2644 is a 6-bit digital step attenuator (DSA) that features high linearity over the entire 31.5dB gain control range with excellent step accuracy in 0.5dB steps. The RFSA2644 is programmed via a serial mode control interface that is both 3V and 5V compatible. The RFSA2644 also offers a rugged Class 1C HBM ESD rating via on-chip ESD circuitry. The MCM package is footprint compatible with most 24-Pin, 4mm x 4mm, QFN packages.
Product Categories
| Frequency Min(MHz) | 50 |
| Frequency Max(MHz) | 4,000 |
| Insertion Loss(dB) | 1.2 |
| Attenuation Range(dB) | 31.5 |
| IP1dB(dBm) | 30 |
| IIP3(dBm) | 55 |
| Interface | Serial |
| Bits | 6 |
| Step Size(dB) | 0.5 |
| Voltage(V) | 5 |
| Package Type | Laminate MCM |
| Package(mm) | 4.2 x 4.2 |
| ECCN | 5A991.G |