RFSA3523
5 - 6000 MHz Serial Controlled Digital Step Attenuator, 5-Bit, 0.5 dB Steps
Discontinued >
End of Life announced May 29, 2020 (PCN 20-0070).
Last Time Buy: December 9, 2020
Contact your local sales representative for assistance.
Key Features
- 5-Bit, 15.5dB Range, 0.5dB 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 RFSA3523 is a 5-bit digital step attenuator (DSA) that features high linearity over the entire 15.5dB gain control range with 0.5dB steps. The RFSA3523 uses serial control interface. The RFSA3523 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 RFSA3523 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) | 15.5 |
| IP0.1dB(dBm) | 30 |
| IIP3(dBm) | 55 |
| Interface | Serial |
| Bits | 5 |
| Step Size(dB) | 0.5 |
| 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: