RFSA3623
5 - 6000 MHz Serial Controlled Digital Step Attenuator, 6-Bit, 0.25 dB Steps
Discontinued >
End of Life announced October 23, 2018 (PCN 18-0109).
Last Time Buy May 19, 2019.
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Key Features
- 6-Bit, 15.75dB Range, 0.25dB Step
- Patented Circuit Architecture
- Overshoot-free Transient Switching Performance
- Frequency Range 5MHz to 6000MHz
- High Linearity, IIP3 >55dBm
- Serial Control Interface
- Fast Switching Speed, <120nsec Typical
- Serial Addressable Supports Up to Eight Addresses
- Single Supply 3V to 5V Operation
- RF Pins Have No DC Voltage, Can be DC Grounded Externally
- Power-up Default Setting Is Maximum Attenuation
Qorvo's RFSA3623 is a 6-bit digital step attenuator (DSA) that features high linearity over the entire 15.75dB gain control range with 0.25dB steps. The RFSA3623 uses serial control interface. The RFSA3623 has a low insertion loss of 1.4dB at 2GHz. Patent pending circuit architecture provides overshoot-free transient switching performance. External address pins allow up to eight DSAs to be controlled on a single bus. The RFSA3623 is available in a 3mm x 3mm QFN package.
Product Categories
| Frequency Min(MHz) | 5 |
| Frequency Max(MHz) | 6,000 |
| Insertion Loss(dB) | 1.4 |
| Attenuation Range(dB) | 15.75 |
| IP0.1dB(dBm) | 30 |
| IIP3(dBm) | 55 |
| Interface | Serial |
| Bits | 6 |
| Step Size(dB) | 0.25 |
| Voltage(V) | 5 |
| Package Type | QFN |
| Package(mm) | 3.0 x 3.0 x 0.85 |
| ECCN | 5A991.G |
This product appears in the following application block diagrams: