MAX2643 - 900MHz、SiGe、可变的高IP3、低噪声放大器

MAX2643是Maxim美信半导体公司的一款无线与RF产品，MAX2643是900MHz、SiGe、可变的高IP3、低噪声放大器，本站介绍了MAX2643的封装应用图解、特点和优点、功能等，并给出了与MAX2643相关的Maxim元器件型号供参考。

MAX2643 - 900MHz、SiGe、可变的高IP3、低噪声放大器 - 无线与RF - 业内尺寸最小的SiGe LNA，提供可调节IP3和增益步进控制 - 美信半导体

产品概述

The MAX2642/MAX2643 low-cost, high third-order intercept point (IP3), low-noise amplifiers (LNAs) are designed for applications in cellular, ISM, SMR, and PMR systems. They feature a programmable bias, allowing the IP3 and supply current to be optimized for specific applications. These LNAs provide up to 0dBm input IP3 while maintaining a low noise figure of 1.3dB.

The gain for these devices is typically 17dB. The MAX2642 also features a 13dB attenuation step, which extends the LNA's dynamic range. Both devices feature a shutdown mode that minimizes power consumption. On-chip output matching saves board space by reducing the number of external components.

The MAX2642/MAX2643 are designed on a low-noise, advanced silicon-germanium (SiGe) process technology. They operate from a +2.7V to +5.5V single supply and are available in the ultra-small 6-pin SC70 package.

关键特性

以下关键特性由Maxim美信半导体提供：

Wide Frequency Range: 800MHz to 1000MHz

High Output IP3 and Adjustable

+17dBm at 5.3mA

+7dBm at 2.8mA

Low Noise Figure: 1.3dB at 900MHz

13dB Attenuation Step (MAX2642)

On-Chip Output Matching

Low-Power Shutdown Mode

+2.7V to +5.5V Single-Supply Operation

Ultra-Small SC70-6 Package

热门应用

800MHz/900MHz蜂窝电话

868MHz/900MHz ISM波段无线数据

900MHz无绳电话

PMR/SMR/LMR

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