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Maxim产品 - MAX2645介绍

MAX2645 - 3.4GHz至3.8GHz、SiGe低噪声放大器/PA前置驱动器

MAX2645是Maxim美信半导体公司的一款无线与RF产品，MAX2645是3.4GHz至3.8GHz、SiGe低噪声放大器/PA前置驱动器，本站介绍了MAX2645的封装应用图解、特点和优点、功能等，并给出了与MAX2645相关的Maxim元器件型号供参考。

MAX2645 - 3.4GHz至3.8GHz、SiGe低噪声放大器/PA前置驱动器 - 无线与RF - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX2645 is a versatile, high-linearity, low-noise amplifier designed for 3.4GHz to 3.8GHz wireless local loop (WLL), wireless broadband access, and digital microwave radio applications. The device features an externally adjustable bias control, set with a single resistor, that allows the user to meet minimum linearity requirements while minimizing current consumption. The amplifier's high-gain, low-noise performance and adjustable input third-order intercept (IP3) allow it to be used as a low-noise amplifier (LNA) in the receive path, a PA predriver in the transmit path, or as an LO buffer.

The MAX2645 features a logic-level gain control that provides a 25dB step reduction in gain, which improves IP3 performance for operation during high input signal level conditions. Supply current is reduced from 9mA in high-gain mode to 3mA in low-gain mode. The device also includes a logic-controlled shutdown mode, which reduces supply current to 0.1µA. The MAX2645 operates from a +3V to +5.5V supply and is offered in the miniature 10-pin µMAX® package (5mm x 3mm) with an exposed paddle. Its performance has been optimized for use with the MAX2683/MAX2684 3.5GHz SiGe mixers to provide a complete high-performance, front-end solution for 3.5GHz applications.

关键特性
  • 以下关键特性由Maxim美信半导体提供：
  • 3.4GHz to 3.8GHz Frequency Range
  • LNA Performance (High/Low-Gain Modes)
  • Gain: +14.4dB/-9.7dB
  • NF: 2.3dB/15.5dB
  • Input IP3: +4dBm/+13dBm
  • Supply Current: 9.2mA/2.7mA
  • Highly Versatile Application
  • Receive Path 1st and 2nd Stage LNA
  • Transmit PA Predriver
  • LO Buffer
  • Adjustable IP3 and Supply Current
  • 0.1µA Supply Current in Shutdown Mode
  • +3.0V to +5.5V Single-Supply Operation
  • 10-Pin µMAX-EP Package (5.0mm x 3.0mm)
    • 热门应用
  • 数字微波无线装置
  • 无线宽带接入
  • 无线本地环路(WLL)
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