LMH6723MA

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LMH6723MA is an instrumentation amplifier that is part of Texas Instruments’ high performance amplifier line. It is designed for a wide range of applications, including signal conditioning (noise reduction, high speed, and high voltage applications), sensor signal conditioning, medical instrumentation, analog-to-digital converters (ADCs), and data acquisition systems. It is well-suited for data acquisition and signal conditioning applications operating in the frequency range of DC to several hundred megahertz.

The LMH6723MA amplifier is based on a high speed operational transconductance amplifier (OTA) chip. The amplifier has built-in gain setting resistor banks and provide an adjustable output swing in the range of 0 to 5V, 0 to 10V, ±5V, and ±10V. It is provided in an eight-pin dual-in-line package and can be powered by a single supply of 5V to 15V.

The main feature that distinguishes the LMH6723MA from other amplifiers is its wide bandwidth. Its gain-bandwidth product is up to 2GHz, and also it provides low distortion and noise. The wide bandwidth makes it well-suited for many signal conditioning applications in industrial, medical, military, and aerospace markets.

The LMH6723MA instrumentation amplifier works through a three-stage amplifier circuit composed of a differential input stage, a differential intermediate stage, and a common mode output stage. The differential input stage is composed of two independent input stages and two voltage feedback loops. It is connected to the differential intermediate stage and the common output stage to form the complete amplifier circuit. The two input stages convert the differential voltage inputs into current signals, which are directly reflected as the output voltage of the amplifier. The differential intermediate stage is also composed of two independent op-amp stages and two gain setting resistor banks that control the differential gain of the amplifier. The gain can be adjusted from 0 to over 20. The common output stage converts the differential output signals from the differential intermediate stage, into common mode voltage signals. This common mode voltage signals can be passed through isolation circuits for further isolation of the differential signals.

The LMH6723MA provides many advantages over other amplifiers in its class. It has a wide bandwidth of up to 2GHz and provides low distortion and low noise in comparison to other amplifiers. It also has adjustable output swing, high voltage swing and high speed. Furthermore, it is provided in a compact 8-pin dual-in-line package and is powered by a single supply of 5V to 15V.

The LMH6723MA is suitable for a wide range of applications, such as signal conditioning, sensor signal conditioning, medical instrumentation, ADC, and data acquisition systems. Its wide bandwidth and low noise make it especially useful for high speed, high voltage, and noise reduction applications. Furthermore, its adjustable gain setting resistor banks make it adjustable for a wide range of gain settings, from 0 to over 20.

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