LMH6552SD/NOPB

Voltage - Input Offset:	1.5mV
Base Part Number:	LMH6552
Supplier Device Package:	8-WSON (3x2.5)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	4.5 V ~ 12 V, ±2.25 V ~ 6 V
Current - Output / Channel:	80mA
Current - Supply:	22.5mA
Series:	LMH®, PowerWise®
Current - Input Bias:	60µA
-3db Bandwidth:	1.5GHz
Slew Rate:	3800 V/µs
Output Type:	Differential
Number of Circuits:	1
Amplifier Type:	Current Feedback
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The LMH6552SD/NOPB is an instrumentation amplifier that was specifically designed for use in audio applications. It is a two-stage, class A amplifier that combines low noise and high precision with a low input noise specification of 6.1nV/√Hz and a wide bandwidth of more than 10kHz. The amplifier is capable of accepting a wide range of supply voltages from ±2.7 to ±5.5V and outputting a maximum current of 100mA.The LMH6552SD/NOPB is an integrated circuit that can provide excellent performance in a variety of applications with its low noise, high precision, and wide bandwidth. Its application field includes but is not limited to very high-end audio amplifiers, electro-acoustic transducers, operational amplifiers, servo amplifiers, and instrumentation amplifiers. Additionally, it can be used in a variety of communication systems, such as digital- and analog-baseband communication systems, as well as in transducer systems for the measurement of acceleration, pressure, and temperature.When working with this instrumentation amplifier, it is important to understand its basic functionality and operating principles. The LMH6552SD/NOPB instrumentation amplifier consists of two gain stages, an output buffer amplifier, and an input buffer amplifier, as well as an inverting/non-inverting input stage. The gain stages serve to amplify the input signal and provide the overall gain of the amplifier. The output buffer amplifier provides a low impedance drive for the output signal, allowing for better control over the output waveform. The input buffer amplifier provides an impedance buffer between the input voltage source and the amplifier’s input stage. This helps to reduce the input impedance of the amplifier which is important for suppressing noise, thus making the amplifier more suitable for high-precision applications.This amplifier features a closed-loop gain accuracy of 0.05%, which is actually an improvement over many of the other amplifiers in its class. This improved gain accuracy ensures that the amplifier’s output will remain within the specified closed-loop gain range regardless of changes in the gain or other variables, such as temperature or power supply voltage. The amplifier is also capable of handling current overloads with very little degradation in performance.In addition to the excellent performance in precision and current overloads, the LMH6552SD/NOPB also offers a wide range of features that are designed to make it suitable for a variety of applications. These include over-current and thermal protection, common-mode rejection ratio, and slew rate control, as well as a bandwidth of greater than 10kHz. The amplifier also offers a low power consumption of <150μA, which makes it suitable for low-power designs.The LMH6552SD/NOPB is an excellent choice for any application that requires a high level of accuracy, precision, and wide bandwidth, such as audio applications. Its combination of low noise and high precision performance, coupled with its wide range of features, make it an ideal choice for any application that requires these qualities.

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