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LMH6515SQX
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LMH6515SQX

  • Category:Operational amplifiers
  • Product Name:600 MHz, digitally controlled, variable gain amplifier
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:LLP
  • Stock Status:There is stock
  • Stock Quantity:10000
  • Minimum order quantity: 1
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  • Product introduction

peculiarity

  • 可调增益为31 dB的范围内
  • 精确的1 dB增益步骤
  • 并行的5位增益控制
  • The gain setting is stored in the chip register
  • 全差分信号通道
  • 单端至差分能力
  • 200Ω输入阻抗
  • 占地面积小(4毫米x 4毫米)的LLP封装

illustrate

LMH6515是一款高性能,数字控制可变增益放大器(DVGA)。 它结合了一个低噪声的精密,超线性差分放大器增益控制。 通常情况下,LMH6515一个高性能的ADC驱动器在一个广泛的混合信号和数字通信应用,如移动无线电和蜂窝基站站需要增加系统的动态范围自动增益控制(AGC)。 高速ADC配合使用时,系统的动态范围可以延长至32分贝。

LMH6515具有差分输入和输出允许在5V单电源供电的大信号摆幅。 它的目的是接受来自RF元件的信号,并保持终止的阻抗环境。 输入阻抗是200Ω电阻。 输出阻抗为200Ω或400Ω,是用户可选择的。 独特的内部结构,允许使用两个单端和差分输入信号。

31准确的1 dB的步长高线性度,数字控制衰减器的LMH6515的输入信号放大。 衰减器的输出提供了输入信号的高增益,超线性差分跨导。 跨导差分输出电流可以被转换成电压,通过使用片上200Ω或400Ω负载。 跨导增益为0.1安培/伏在最大电压增益+26 dB的驱动400Ω负载时,开车时一个200Ω的负载,或32分贝。 The gain settings provided by the on-chip digital latch are stored locally. 增益步长的稳定时间为5ns,并已经采取谨慎措施,以减少带宽和相位灵敏度增益设置。

LMH6515运行在工业温度范围为-40 ° C至+85 ° C LMH6515是采用16引脚,热增强型,LLP封装。

Main specifications

  • 600兆赫带宽@100Ω负载
  • @ 75兆赫,40 dBm的OIP3200Ω负载
  • 20 dB至30 dB最大增益
  • 可选择的输出阻抗200Ω或400Ω
  • 8.3 dB的噪声系数
  • 5 ns的增益步进开关时间
  • 供应电流为100毫安


apply

  • Cellular base stations
  • IF sampling receiver
  • Instrumentation
  • modem
  • imaging
  • 差分线路接收器

andLMH6515SQXRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LMH6515SQX NSC 10+ LLP 600 MHz, digitally controlled, variable gain amplifier

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