TLC339MD

Current - Output (Typ):	20mA
Base Part Number:	TLC339
Supplier Device Package:	14-SOIC
Mounting Type:	Surface Mount
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Operating Temperature:	-55°C ~ 125°C
Hysteresis:	--
Propagation Delay (Max):	4.5µs
CMRR, PSRR (Typ):	84dB CMRR
Current - Quiescent (Max):	175µA
Series:	LinCMOS™
Current - Input Bias (Max):	5pA @ 5V
Voltage - Input Offset (Max):	5mV @ 10V
Voltage - Supply, Single/Dual (±):	4 V ~ 16 V
Output Type:	CMOS, Open-Drain
Number of Elements:	4
Type:	General Purpose
Part Status:	Active
Packaging:	Tube

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Introduction:TLC339MD is an integrated linear-comparator developed by Texas Instruments to operate on a wide input voltage range, typically 2.5V to 18V. It operates by comparing two different input voltages and outputting the differential value of the two input signals. With both high and low input voltage protection and improved power-supply rejection, the device is ideal for use in various analog circuit designs. This article will discuss the application fields of the TLC339MD and its working principle.Application Fields: The TLC3339MD is suitable for use in a variety of applications, including cell phone electrical protection, over-current protection, over-voltage protection, under-voltage protection, surge protection, power supply voltage monitoring, etc. It can also be used for over-temperature control, current monitoring, voltage control, and other applications where an analog circuit is required. Furthermore, the device is suitable for industrial, automotive and avionic systems, as it has high temperature operation, high accuracy and immunity to noise.Working Principle:The TLC339MD integrates two linear-comparator channels and can detect when the differential voltage between two external inputs reaches a specified voltage level. The device includes a low-power comparator, two input voltage protection circuits, two adjustable reference current sources, two hold switches, and two open drain outputs. The internal 6V reference voltage is immobilized for optimized low-power operation. When the non-inverting input voltage is higher than the inverting input voltage, the comparator output goes low; conversely, when the non-inverting voltage is lower than the inverting voltage, the comparator output goes high.Conclusion:The TLC339MD is designed as an integrated linear-comparator which is suitable for various applications and can operate on a wide input voltage range. Its application fields include cell phone electrical protection, over-current protection, over-voltage protection, under-voltage protection, surge protection, power supply voltage monitoring, etc. Its working principle is based on comparing two different input voltages and outputting the differential voltage value. With its immunity to noise, low power consumption and other features, the device is ideal for use in various analog circuit designs.

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