Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance

GENERAL DESCRIPTION The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching. Each channel has a single-ended input, differential output, and integrated input clamps. By pin strapping the gain setting pins, four accurate gains of G = 12.

双通道超低噪声放大器，提供可选增益和输入阻抗

AD8432是一款双通道、低功耗、超低噪声放大器，集成可选增益和有源阻抗匹配。每通道均有单端输入、差分输出和集成输入箝位。通过绑定增益设置引脚，可实现的4个精确增益为12.04 dB、18.06 dB、21.58 dB和24.08 dB（分别对应×4、×8、×12和×16）。当G = 12.04 dB时的200 MHz带宽使得该放大器非常适合许多高速应用。\n\n AD8432的有源阻抗匹配造就了它出色的噪声性能。放大器的输入阻抗可以利用一个反馈网络来调节，以便与信号源阻抗相匹配，且不影响噪声性能。该器件的阻抗匹配和低噪声特性可让设计人员构建能检测极微弱信号、动态范围更宽的系统。\n • 低噪声\n输入电压噪声= 0.85nV/√Hz\n电流噪声 = 2.0 pA/√Hz\n\n• 高速\n带宽：200 MHz (G = 12.04 dB)\n压摆率：295 V/µs\n\n• 可选增益：\nG = 12.04 dB (×4)\nG = 18.06 dB (×8)\nG = 21.58 dB (×12)\n\n• 有源输入阻抗匹配\n\n• 集成输入箝位二极管\n\n• 单端输入，差分输出\n\n• 电源电压范围：4.5 V至5.5 V\n\n• 低功耗：每通道60 mW;

Dual-Channel Ultralow Noise Amplifier Selectable Gain and Input Impedance

文件：877.81 Kbytes Page：32 Pages

Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance

GENERAL DESCRIPTION The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching. Each channel has a single-ended input, differential output, and integrated input clamps. By pin strapping the gain setting pins, four accurate gains of G = 12.

Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance

GENERAL DESCRIPTION The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching. Each channel has a single-ended input, differential output, and integrated input clamps. By pin strapping the gain setting pins, four accurate gains of G = 12.

Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance

GENERAL DESCRIPTION The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching. Each channel has a single-ended input, differential output, and integrated input clamps. By pin strapping the gain setting pins, four accurate gains of G = 12.

Dual-Channel Ultralow Noise Amplifier with Selectable Gain and Input Impedance

GENERAL DESCRIPTION The AD8432 is a dual-channel, low power, ultralow noise amplifier with selectable gain and active impedance matching. Each channel has a single-ended input, differential output, and integrated input clamps. By pin strapping the gain setting pins, four accurate gains of G = 12.

Dual-Channel Ultralow Noise Amplifier Selectable Gain and Input Impedance

文件：877.81 Kbytes Page：32 Pages

Dual-Channel Ultralow Noise Amplifier Selectable Gain and Input Impedance

文件：877.81 Kbytes Page：32 Pages

Dual-Channel Ultralow Noise Amplifier Selectable Gain and Input Impedance

文件：877.81 Kbytes Page：32 Pages

封装/外壳：24-WFQFN 裸露焊盘，CSP 包装：卷带（TR）剪切带（CT） 描述：IC OPAMP VFB 2 CIRCUIT 24LFCSP RF/IF，射频/中频和 RFID 射频放大器

封装/外壳：24-WFQFN 裸露焊盘，CSP 包装：托盘 描述：IC OPAMP VFB 2 CIRCUIT 24LFCSP RF/IF，射频/中频和 RFID 射频放大器

Dual-Channel Ultralow Noise Amplifier Selectable Gain and Input Impedance

文件：877.81 Kbytes Page：32 Pages

Dual-Channel Ultralow Noise Amplifier Selectable Gain and Input Impedance

文件：877.81 Kbytes Page：32 Pages

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[Signetics]

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