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低噪声差分音频前置放大器THAT1583集成电路IC

低噪声差分音频前置放大器THAT1583集成电路IC

型号:THAT1583

报价:

产品介绍

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FEATURES
• Low Noise: -128.9dBu (1.9 nV/√Hz) EIN@60 dB gain
• Low THD+N:
   0.001% @ < 40 dB gain
   0.006% @ 60 dB gain
• Low Current: 7.0 mA typ
• Wide Bandwidth: 1.7 MHz @ 40dB gain
• High Slew Rate: 50 V/µs
• Wide Output Signal Swing: > +28 dBu
• Gain adjustable from 0 to > 60 dB
• Differential output
• Small 4x4mm QFN16 package
• Mates with 5171 and 5173 Digital Preamplifier Controllers

特征
•噪声低:-128.9dbu(1.9纳伏/√Hz)艾因@ 60分贝增益
•低THD:
0.001% @ 40分贝增益
0.006% @ 60分贝增益
•低电流:7毫安典型
•带宽:1.7 MHz @ 40dB的增益
•高转换率:50 V /µS
•宽输出信号摆幅:> + 28 dBu
•增益从0到60分贝可调
•差分输出
•4x4mm封装小qfn16
•配合5171和5173数字前置放大器控制器

APPLICATIONS
•Microphone Preamplifiers
•Digitally-Controlled Microphone Preamplifiers
•Differential Low-Noise Preamplifiers
• Differential Summing Amplifiers
• Differential Variable-Gain Amplifiers
• Moving-Coil Transducer Amplifiers
• Line Input Stages
• Audio
• Sonar
• Instrumentation

应用
•麦克风前置放大器
•数字控制的麦克风前置放大器
•微分Low Noise Preamplifiers
微分加法放大器
差动可变增益放大器
动圈式传感器放大器
线输入级
•音频
•声纳
•仪表

DESCRIPTION
The THAT 1583 is a versatile, high performance current-feedback amplifier suitable for differential microphone preamplifier and bus summing applications. It improves on previous, traditional current-feedback designs (viz. THAT's 1510 & 1512) by offering a more versatile configuration that can yield lower noise at low gains, lower distortion overall, and higher slew rate.

Amplifier gain is determined by three external resistors (RA, RB, and RG). This makes it possible to optimize noise and bandwidth over a wide range of gains, as well as optimize the taper of gain vs. rotation in variable-gain, pot-controlled applications.

In addition to analog-controlled applications, the 1583 is designed to mate perfectly with THAT's series of Digital Preamplifier Controller ICs to produce an optimized, digitally controlled preamplifier.

描述
该1583是一个多功能,高性能电流反馈放大器适用于差分麦克风前置放大器和总线求和应用。它改进了以前传统的电流反馈设计(即。这是1510和1512)通过提供一个更通用的配置,可以产生低噪声低增益,降低整体失真,更高的转换率。

放大器增益由三个外部电阻(RA、RB和RG)决定。这使得有可能在广泛的增益优化噪声和带宽,以及优化增益的锥度与旋转在可变增益,罐控制的应用程序。

除了模拟控制的应用,1583的目的是配合完美的数字前置放大器控制器系列,以产生一个优化的,数字控制前置放大器。

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