Overview
Description
The F1953 digital step attenuator featuring Glitch-Free™ technology improves system reliability and settling time. It has an attenuation range of 31.5dB with excellent accuracy and very low distortion. In addition, it features internal DC-blocking capacitors to reduce the system's bill of materials (BOM).
Features
- Glitch-Free, < 0.6dB transient overshoot
- Spurious free design
- 2.7V to 3.3V supply
- Attenuation error < 0.5dB at 2GHz
- Low insertion loss < 1.4dB at 2GHz
- Excellent linearity > +63dBm IP3I
- Fast settling time, < 400nsec
- Class 2 JEDEC ESD (> 2kV HBM)
- Serial or parallel interface 31.5dB range
- Stable integral non-linearity over temperature
- Low power consumption < 200µA
- Integrated DC-blocking capacitors
- Drop-in replacement
- 4mm x 4mm thin VFQFPN 20-pin package
Comparison
Applications
Documentation
Featured Documentation
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| Type | Title | Date |
| Datasheet | PDF 1.51 MB | |
| Guide | PDF 2.24 MB | |
| Guide | PDF 2.83 MB | |
| Report | PDF 517 KB | |
| Product Brief | PDF 1.07 MB | |
| Product Change Notice | PDF 45 KB | |
6 items
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Design & Development
Software & Tools
Boards & Kits
Evaluation
F1953EVBI
Active
Evaluation Board for F1953 6-bit Digital Step Attenuator
The F1953EVBI is a fully populated evaluation board which allows the customer to easily evaluate the F1953 digital step attenuator. Attenuation may be set using either the F1953’s parallel control input or its serial control input. A dip switch on the evaluation board allows one to set the...
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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.
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