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低噪声匹配晶体管阵列THAT300系列集成电路低电压麦克风前置放大器

低噪声匹配晶体管阵列THAT300系列集成电路低电压麦克风前置放大器

型号:THAT300 340

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FEATURES
• 4 Matched NPN Transistors
  – THAT 300 typical hfe of 100
  – THAT 300A minimum hfe of 150
  – THAT 300B minimum hfe of 300
• 4 Matched PNP Transistors
  – THAT 320 typical hfe of 75
• 2 Matched NPNs and PNPs
  – THAT 340 PNP typical hfe of 75
  – THAT 340 NPN typical hfe of 100
Low Voltage Noise
  – PNP 0.75 nV/√Hz
  – NPN 0.8 nV/√Hz
• High Speed
• 500 µV matching between devices
• Dielectrically isolated for low crosstalk and high DC isolation
• 36V VCEO

APPLICATIONS
•Low Noise Front Ends
•Microphone Preamplifiers
•Log/Antilog Amplifiers
•Current Sources
•Current Mirrors
•Multipliers

DESCRIPTION
The THAT 300, 320 and 340 are large geometry, 4-transistor, monolithic NPN and/or PNP arrays. They exhibit both high speed and low noise, with excellent parameter matching between transistors of the same gender. Typical base-spreading resistance is 25Ω for the PNP devices (30Ω for the low-gain NPNs), so their resulting voltage noise is under 1 nV/√Hz. This makes the 300 series ideally suited for low-noise amplifier input stages, log amplifiers, and many other applications. The four-NPN transistor array is available in versions selected for hfe with minimums of 150 (300A) or 300 (300B).
filler
An eight-transistor bare-die array with similar performance characteristics (THAT 380G) is also available. See the 380G Datasheet for more information. Military-grade temperature range packages are available. Go to harsh environment packaging for more information

特征
•4个匹配的NPN晶体管
–300典型HFE 100
–,300a最小HFE 150
–,300b最小HFE 300
•4匹配PNP晶体管
–320典型HFE 75
2配合•NPNS和PNPs
–的75个典型的HFE 340 PNP
–340 NPN典型HFE 100
低电压噪声
–PNP 0.75纳伏/√赫兹
–NPN 0.8纳伏/√赫兹
•高速
•500µV匹配装置
•介质隔离的低串扰和高直流隔离
•36v VCEO

应用
•噪音低的前端/低噪音前端控制器
•麦克风前置放大器
•日志/反对数放大器
•电流源
•电流镜
倍频器

描述
那300, 320和340大几何,个,单片NPN或PNP阵列。它们具有高速和低噪声,具有相同晶体管的优良参数匹配。典型的基极扩展电阻是25Ω为PNP器件(30Ω为低增益NPNS),所以产生的电压噪声在1纳伏/√赫兹。这使得300系列非常适合低噪声放大器输入级,对数放大器,以及许多其他应用。四的NPN晶体管阵列在选定为HFE与最低150的版本可用(300A)或300(300B)。
填料
八晶体管裸芯片阵列具有相似的性能特性(即380克)也可。看到380g数据表的更多信息。军用级温度范围包可用。去苛刻环境包装获取更多信息

 

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