Overview
Description
The F1975 Digital-Step-Attenuator (DSA) featuring Glitch-Free™ technology improves system reliability and settling time. The device has an attenuation range of 31.5 dB with excellent accuracy and very low distortion and insertion loss.
Features
- 5MHz to 3000MHz frequency range
- Glitch-Free™ low transient overshoot
- Low insertion loss < 1.2dB at 1GHz
- Excellent linearity +64 dBm IIP3
- Attenuation step error 0.1dB at 1GHz
- Serial and Parallel interface 31.5dB range
- Low spurious design
- 3V/5V supply, 1.8V/3.3V control logic
- Fast settling time
- Class 2 JEDEC ESD (2kV HBM)
- 4mm x 4mm 20-VFQFPN package
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 3.79 MB | |
| Guide | PDF 2.24 MB | |
| Guide | PDF 2.83 MB | |
| Report | PDF 517 KB | |
| Product Brief | PDF 1.07 MB | |
| Application Brief | PDF 686 KB | |
| Application Note | PDF 193 KB | |
7 items
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Design & Development
Software & Tools
Boards & Kits
Evaluation
F1975EVBI
Active
Evaluation Board for F1975, 6-bit, 75Ω, Digital Step Attenuator
The F1975EVBI is a fully populated evaluation board which allows the customer to easily evaluate the device. Attenuation may be set using either the parallel control input or its serial control input (through external connection and control). A dip switch on the evaluation board allows one to...
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Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.
Product Options
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