LT1720IS8#PBF

Series:	UltraFast™
Packaging:	Tube
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	General Purpose
Number of Elements:	2
Output Type:	CMOS, Rail-to-Rail, TTL
Voltage - Supply, Single/Dual (±):	2.7 V ~ 6 V
Voltage - Input Offset (Max):	3mV @ 5V
Current - Input Bias (Max):	6µA @ 5V
Current - Output (Typ):	20mA
Current - Quiescent (Max):	7mA
CMRR, PSRR (Typ):	70dB CMRR, 80dB PSRR
Propagation Delay (Max):	10ns
Hysteresis:	7mV
Operating Temperature:	-40°C ~ 85°C
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Supplier Device Package:	8-SOIC
Base Part Number:	LT1720

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LT1720IS8#PBF

Introduction

LT1720IS8#PBF is a linear-comparator with a wide range of applications. It is used mainly in applications such as data acquisition, automatic test equipment, digital communication systems, and industrial control. The LT1720IS8#PBF is manufactured by Linear Technologies, and is a high performance, low power linear-comparator.

Applications

The LT1720IS8#PBF offers a wide range of possible applications thanks to its high performance, low power and excellent accuracy. It is well suited for applications in the areas of data acquisition, digital communication systems, industrial control, and automatic test equipment.In data acquisition applications, the LT1720IS8#PBF can be used for accurate and fast conversions of analog signals to digital signals. This makes it especially useful for applications that require a high degree of accuracy, such as in sensor measurement and instrumentation.In digital communication systems, the LT1720IS8#PBF can be used for differential PUMP/PAH (power/precision analog-to-digital) conversions. This provides increased accuracy and eliminates the need for voltage biases, enabling lower power communications systems.In automatic test equipment, the LT1720IS8#PBF can be utilized for both analog and digital testing. This device requires very little power, making it ideal for use in portable test equipment.In industrial control applications, the LT1720IS8#PBF can be used for signal conversion, signal conditioning, and parameter measurement. It can be used for both the regulation and the monitoring of process parameters such as temperature, pressure, flow, and level. Its high performance and low power make it ideally suited for use in industrial systems where cost and space are at a premium.

Working Principle

The LT1720IS8#PBF is a linear-comparator, which is used to compare two input signals and find the difference between them. It is based on the principle of differential amplifying, which is a form of amplifying that uses two input signals that are similar but slightly different.The LT1720IS8#PBF uses a differential input stage, which amplifies the difference between the two input signals. The amplified signal then passes through an output stage, which incorporates an offset adjustment mechanism. This allows the output voltage to be adjusted to compensate for any imperfections in the input signals.The LT1720IS8#PBF operates with a voltage range of -4V to +4V at a supply voltage of up to 15V. It has a low input voltage offset of only 0.5μV, and low output voltage offset of only 0.1μV, making it highly accurate. The device also has a high input impedance of 0.3 ohms, and a low input current of 2μA.

Conclusion

The LT1720IS8#PBF is an excellent choice for a wide range of linear-comparator applications. It offers high performance, low power, and excellent accuracy, making it well suited for use in data acquisition, digital communication systems, industrial control, and automatic test equipment. It operates with a wide voltage range and can handle up to 15V supplies, while its low offsets and high input impedance make it highly accurate.

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