LMV331IDBVRE4

Current - Output (Typ):	84mA @ 5V
Base Part Number:	LMV331
Supplier Device Package:	SOT-23-5
Mounting Type:	Surface Mount
Package / Case:	SC-74A, SOT-753
Operating Temperature:	-40°C ~ 85°C
Hysteresis:	--
Propagation Delay (Max):	600ns
CMRR, PSRR (Typ):	--
Current - Quiescent (Max):	150µA
Series:	--
Current - Input Bias (Max):	0.25µA @ 5V
Voltage - Input Offset (Max):	7mV @ 5V
Voltage - Supply, Single/Dual (±):	2.7 V ~ 5.5 V
Output Type:	Open Collector
Number of Elements:	1
Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Introduction

The LMV331IDBVRE4 is a linear, single-channel, digital comparator which finds a wide range of applications in circuits where an analog signal needs to be compared with a predetermined reference level. It is powered by 5 V supply and features input voltage range between -0.3V and Vcc+ 0.3V. It also features TTL compatible output and has an open-collector output configuration. The LMV331IDBVRE4 comparator can be used in a number of analog applications due to its single-channel multiplexing configuration, low power consumption and accurate comparison abilities.

Inputs and Outputs

The LMV331IDBVRE4 comparator comes with three inputs and an output. The three inputs are the Potentiometer Input (Vin –), Digital Input (Vin +) and Reference Voltage (Vref). The digital input (Vin +) is an open collector structure and requires an external pull-up resistor connected to Vcc in order to generate the proper logic levels. The input voltage range for Vin – and Vin + is -0.3V to Vcc+ 0.3V. The maximum reference voltage (Vref) is 0.5V. When the input signals exceed the reference voltage, the output voltage is low otherwise, it is high. The output of the LMV331IDBVRE4 is a TTL compatible open-collector structure with a maximum saturation voltage of 0.5v.

Application Field

The LMV331IDBVRE4 comparator can be used in a wide range of applications including signal detection, analog-to-digital converters (ADCs), current level detectors, light sensitivity measurements, frequency detectors, and power supply monitoring. The comparator also finds applications in building automation systems, automotive systems, infrared remote controls, and security systems.

Working Principle

The comparator works on the principle of linear comparison. It takes two analog inputs (Vin – and Vin +) and compares them with a reference voltage (Vref). If the value of one of the inputs exceed the reference voltage, the output goes low otherwise, it is high. This linear comparison process is performed continuously, resulting in an output signal that is either low or high, depending on the input signals.The LMV331IDBVRE4 comparator also features hysteretic window comparator functionalities, which eliminates any noise and spikes present in the signal by comparing two inputs with a preset range of voltages. This ensures that a stable signal is generated and the output remains in a steady state until the input values exceed the window range.

Conclusion

The LMV331IDBVRE4 is a linear single-channel digital comparator. It can be used in a wide range of analog applications due to its multiplexed single-channel configuration, low power consumption and accurate comparison abilities. The comparator finds a wide range of applications in areas such as signal detection, analog-to-digital converters (ADCs), current level detectors, light sensitivity measurements, frequency detectors, and power supply monitoring. The working principle of the comparator is based on linear comparison, and it features hysteretic window comparator functionalities which increases the signal stability.

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