概览
描述
The F4481 is a 400MHz to 1100MHz quad path TX Digital Variable Gain Amplifier (DVGA) outfitted with 100Ω differential inputs and 50Ω single-ended outputs. The device is part of a complete family of VGAs targeting Frequency Division Duplex (FDD) or Time Division Duplex (TDD) applications within the 400MHz to 4200MHz frequency range. Using a single 3.3V power supply and only 520mA of ICC, the F4481 provides four independent transmit paths, each with 28dB typical maximum gain, +35dBm OIP3, +17dBm output P1dB, and 5.7dB NF. Each channel includes a Glitch-Free™ digital step attenuator that reduces gain by up to 31.5dB in precise 0.5dB steps.
The F4481 is packaged in an 8mm × 8mm 56-LGA, with matched 100Ω differential input and 50Ω single-ended output impedances for ease of integration into the signal path.
特性
- Independent quad channels for FDD TX applications
- 400MHz to 1100MHz
- 28dB typical max gain at 900MHz
- Precise SPI-controlled Glitch-Free™ gain adjustment
- 31.5dB gain range with 0.5dB step size
- 5.7dB NF at 900MHz
- +35dBm OIP3 at 900MHz
- +17dBm output P1dB at 900MHz
- 3.3V supply voltage
- ICC = 524mA
- 100Ω differential input impedances
- 50Ω single-ended output impedances
- 1.8V and 3.3V logic support
- Independent channel standby modes for power savings
- Operating temperature (TEP) range: -40 °C to +115 °C
- 8mm × 8mm, 56-LGA package
产品对比
应用
设计和开发
软件与工具
开发板与套件
评估
F4481EVS
有效
Evaluation System for the F4481 DIFF-In / SE-Out Quad Path TX DVGA
The F4481EVS is the evaluation system that enables customers to evaluate the F4481 DIFF-In/SE-Out Quad Path TX DVGA 400MHz to 1100MHz.
For more information, please see the Evaluation Kit section of the datasheet.
推荐文档：
模型
ECAD 模块
点击产品选项表中的 CAD 模型链接，查找 SamacSys 中的原理图符号、PCB 焊盘布局和 3D CAD 模型。如果符号和模型不可用，可直接在 SamacSys 请求该符号或模型。
产品选项
当前筛选条件