LT1721CGN#TRPBF

Current - Output (Typ):	20mA
Base Part Number:	LT1721
Supplier Device Package:	16-SSOP
Mounting Type:	Surface Mount
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Hysteresis:	7mV
Propagation Delay (Max):	10ns
CMRR, PSRR (Typ):	70dB CMRR, 80dB PSRR
Current - Quiescent (Max):	7mA
Series:	UltraFast™
Current - Input Bias (Max):	6µA @ 5V
Voltage - Input Offset (Max):	3mV @ 5V
Voltage - Supply, Single/Dual (±):	2.7 V ~ 6 V
Output Type:	CMOS, Rail-to-Rail, TTL
Number of Elements:	4
Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LT1721CGN#TRPBF: Linear-Comparators

The LT1721CGN#TRPBF device is a linear-comparator. Comparators are electronic components that compare two input voltages and output a digital signal. The analog, voltage-input comparators have a single input and provide an output that goes from a high to a low, depending on the inputs. The LT1721CGN#TRPBF is a specialized version of a linear-comparator, with specifications specifically tailored to certain application fields.

Application Fields

The LT1721CGN#TRPBF is a low voltage, minimum component count, low power linear-comparator. This linear-comparator is tailored towards applications that require low noise, high precision, and high linearity with minimal power consumption. This device is well suited for high-accuracy, low-power applications in battery-powered systems and systems with pure digital outputs. This device is also suitable for precision components within data converters, especially where power-supply noise is a concern.

Working Principle

The LT1721CGN#TRPBF is a single supply, low power linear-comparator. This device is designed to operate from a single supply, from 2.7V to 18V. The input stage features a high impedance CMOS buffer for handling signals with low input impedance. The output stage of the device is a CMOS inverter that delivers a low noise, high impedance output with excellent linearity.The device has two main inputs, the positive (1) and negative (2). When the positive input is greater than the negative input, the output is a logic high, otherwise the output is a logic low. The device is designed to operate over a wide range of supply voltages, and to maintain its accuracy over temperature, with a maximum offset of 10mV and a maximum offset drift of 8nV/°C.

Conclusion

The LT1721CGN#TRPBF device is a linear-comparator specifically suited towards high precision, low power applications. It features excellent linearity, low noise, and a wide operating temperature range. This device is ideal for applications in data converters and battery powered systems, as well as other low power applications that require precision and accuracy.

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