MAX2681 - 400MHz至2.5GHz、低噪声、SiGe下变频混频器

MAX2681是Maxim美信半导体公司的一款无线与RF产品，MAX2681是400MHz至2.5GHz、低噪声、SiGe下变频混频器，本站介绍了MAX2681的封装应用图解、特点和优点、功能等，并给出了与MAX2681相关的Maxim元器件型号供参考。

MAX2681 - 400MHz至2.5GHz、低噪声、SiGe下变频混频器 - 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 MAX2680/MAX2681/MAX2682 miniature, low-cost, low-noise downconverter mixers are designed for low-voltage operation and are ideal for use in portable communications equipment. Signals at the RF input port are mixed with signals at the local oscillator (LO) port using a double-balanced mixer. These downconverter mixers operate with RF input frequencies between 400MHz and 2500MHz, and downconvert to IF output frequencies between 10MHz and 500MHz.

The MAX2680/MAX2681/MAX2682 operate from a single +2.7V to +5.5V supply, allowing them to be powered directly from a 3-cell NiCd or a 1-cell Lithium battery. These devices offer a wide range of supply currents and input intercept (IIP3) levels to optimize system performance. Additionally, each device features a low-power shutdown mode in which it typically draws less than 0.1µA of supply current. Consult the Selector Guide for various combinations of IIP3 and supply current.

The MAX2680/MAX2681/MAX2682 are manufactured on a high-frequency, low-noise, advanced silicon-germanium process and are offered in the space-saving 6-pin SOT23 package.

关键特性

以下关键特性由Maxim美信半导体提供：

400MHz to 2.5GHz Operation

+2.7V to +5.5V Single-Supply Operation

Low Noise Figure: 6.3dB at 900MHz (MAX2680)

High Input Third-Order Intercept Point (IIP3 at 2450MHz)

-6.9dBm at 5.0mA (MAX2680)

+1.0dBm at 8.7mA (MAX2681)

+3.2dBm at 15.0mA (MAX2682)

<0.1µA Low-Power Shutdown Mode

Ultra-Small Surface-Mount Packaging

热门应用

400MHz/900MHz/2.4GHz ISM波段无线装置

蜂窝电话/无绳电话

IEEE 802.11与无线数据

个人通信系统(PCS)

无线本地环路(WLL)

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