Voltage - Input Offset:	30µV
Base Part Number:	LT1468
Supplier Device Package:	8-DFN (3x3)
Package / Case:	8-WFDFN Exposed Pad
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	±4.5 V ~ 15 V
Current - Output / Channel:	22mA
Current - Supply:	3.9mA
Series:	--
Current - Input Bias:	10nA
Gain Bandwidth Product:	90MHz
Slew Rate:	22 V/µs
Output Type:	--
Number of Circuits:	1
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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LT1468AIDD#PBF Application Field and Working Principle

Introduction

The LT1468AIDD#PBF is a versatile high performance instrumentation amplifier based on a full differential input, wideband feedback current feedback topology. It is a low power amplifierwith excellent dc characteristics that can be used for a variety of applications, such as signal processing and measurement uses. This white paper will explore the application field and working principle of the LT1468AIDD#PBF.

Application Field

The LT1468AIDD#PBF can be used in a wide variety of signal processing and measurement applications. It is ideal for use as a differential gain stage in instrumentation amplifiers, transimpedance amplifiers, and data acquisition systems. It can also be used as a single gain stage for low voltage gains up to 30V/V and video isolation applications. In addition, it can be used as an amplifier in audio, medical and automotive applications. In audio applications, the LT1468AIDD#PBF provides an excellent solution for a wide range of audio processing applications. The low distortion and low noise make it ideal for use in equalization, mixing and mixing networks. It can also be used as part of a subwoofer crossover network. The LT1468AIDD#PBF can also be used in medical applications, such as ECG systems, because of its low power consumption and wide range of gain capabilities. It can be used as part of an analog front end or to provide signal amplification at the patient interface. It is also suitable for use in other medical devices, such as glucose monitoring systems. In automotive applications the LT1468AIDD#PBF can be used for signal conditioning, voltage regulation, and as part of a transducer signal interface. It is also suitable for use in control applications, such as in engine control systems.

Working Principle

The LT1468AIDD#PBF is based on a full differential input, wideband feedback current feedback topology. The device features a wide bandwidth of 10MHz and a low distortion of 0.01%. It has a high common-mode rejection ratio (CMRR) of up to 60dB and a wide gain range of 0.1 to 1000V/V. The device operates on a single +5V supply and is designed to provide excellent performance when used in a low voltage environment. It features a low input offset voltage of 0.6mV, low noise of 8µVrms, and a high slew rate of 30V/µs. The device also features a high output voltage swing of up to 2.6V and a low output impedance of 6Ω. These features make the LT1468AIDD#PBF well suited for a variety of signal processing, measurement and control applications.

Conclusion

The LT1468AIDD#PBF is a versatile high performance instrumentation amplifier based on a full differential input, wideband feedback current feedback topology. It is a low power amplifier with excellent dc characteristics that can be used for a variety of applications, such as signal processing and measurement uses. The device features a wide bandwidth, low distortion, high common-mode rejection ratio, wide gain range, and low input offset voltage, making it an ideal choice for audio, medical and automotive applications.

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