MAX2654

1575MHz/1900MHz、可变IP3、低噪声放大器


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说明

The MAX2654/MAX2655/MAX2656 high third-order intercept point (IP3), low-noise amplifiers (LNAs) are designed for applications in GPS, PCS, WLL, and satellite phone systems. The MAX2654/MAX2655/MAX2656 incorporate on-chip internal output matching to 50Ω, eliminating the need for external matching components. A shutdown feature in the MAX2654/MAX2655 reduces the operating current to 0.1µA, eliminating the need for an external supply switch.

The MAX2654 operates in the GPS frequency of 1575MHz with 15.1dB of gain, 1.5dB noise figure, and only consumes 5.8mA. The MAX2655 is designed with high-input IP3 to improve operation in cellular applications where the cellular power amplifier leaks into the GPS receiver. The MAX2656 is designed for PCS phone applications with 13.5dB of gain in high-gain mode and 0.8dB of gain in low-gain mode (selected by a logic control) and 1.9dB noise figure.

The IP3 of MAX2655/MAX2656 is adjustable by a single external bias resistor (RBIAS), allowing supply current to be optimized for a specific application.

The MAX2654/MAX2655/MAX2656 operate from a +2.7V to +5.5V single supply and are available in the miniature 6-pin SC70 package.
MAX2654、MAX2655、MAX2656:典型工作电路 MAX2654、MAX2655、MAX2656:典型工作电路 放大+

关键特性

  • Low Noise Figure
    • MAX2654: 1.5dB at 1575MHz
    • MAX2655: 1.45dB at 1575MHz
    • MAX2656: 1.9dB at 1960MHz
  • High Gain
    • MAX2654: 15.1dB at 1575MHz
    • MAX2655: 14.1dB at 1575MHz
    • MAX2656: 13.5dB at 1960MHz
  • 12.7dB Gain Step (MAX2656 only)
  • Integrated 50Ω Output Matching
  • Variable IP3 Set by One Bias Resistor (MAX2655/MAX2656 only)
  • 0.1µA Shutdown Mode (MAX2654/MAX2655 only)
  • +2.7V to +5.5V Single-Supply Operation
  • Ultra-Small 6-Pin SC70 Package

应用

  • DCS/PCS蜂窝电话
  • 蜂窝电话中的GPS接收机
  • 卫星电话
  • 无线本地环路(WLL)

Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

MAX2654EVKIT: MAX2654、MAX2655、MAX2656评估板
MAX2655EVKIT: MAX2654、MAX2655、MAX2656评估板
MAX2656EVKIT: MAX2654、MAX2655、MAX2656评估板

技术资料

设计指南 5100 RF和混合信号PCB的一般布局指南
应用笔记 3447 用MAX2742构建GPS接收机
设计指南 2875 噪声系数测量的三种方法
应用笔记 697 SiGe技术提高无线前端性能
应用笔记 602 GPS接收机射频芯片
产品可靠性报告: MAX2654.pdf 
型号   生产流程   工艺   样本量   不合格   FIT @ 25°C   FIT @ 55°C   Material Composition  

备注: 通过技术手段对故障率进行汇总,并映射到相关的材料部件号。 故障率与被测件的数量密切相关。

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类型 编号 标题
设计指南 5100 RF和混合信号PCB的一般布局指南
应用笔记 3447 用MAX2742构建GPS接收机
设计指南 2875 噪声系数测量的三种方法
应用笔记 697 SiGe技术提高无线前端性能
应用笔记 602 GPS接收机射频芯片