概览
描述
The F1956 Glitch-Free™ Digital Step Attenuator (DSA) offers very high reliability due to its monolithic silicon die construction in a compact 5mm x 5mm 32-pin TQFN package. It has very low insertion loss with minimal distortion and is designed with a 50Ω input and output impedance. Additionally, the device is designed to have high accuracy which improves SNR and/or ACLR by ensuring the system gain is achieved as close to targeted as possible.
特性
- Serial and 7-bit parallel interface
- 31.75dB range
- 0.25dB steps
- Glitch-Free™: < 2dB transient ringing
- 500ns settling time
- Ultra linear +64dBm IP3
- Low insertion loss < 1.3dB at 4GHz
- Attenuation error < 0.6dB at 4GHz
- 3.3V or 5V Supply
- 1.8V or 3.3V control logic
- -40 °C to +105 °C operating temperature
- 5mm x 5mm, 32-pin TQFN package
产品对比
应用
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| 类型 | 文档标题 | 日期 |
| 数据手册 | PDF 6.81 MB | |
| 指南 | PDF 2.24 MB | |
| 指南 | PDF 2.83 MB | |
| 产品变更通告 | PDF 105 KB | |
| 产品简述 | PDF 1.07 MB | |
| 产品变更通告 | PDF 45 KB | |
6 items
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设计和开发
软件与工具
开发板与套件
评估
F1956EVBI
有效
Evaluation Board for F1956 7-bit Digital Step Attenuator
The F1956EVBI is a fully populated evaluation board which allows the customer to easily evaluate the F1956 digital step attenuator. Attenuation may be set using either the F1956’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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