LM393 Dual Differential Comparator
EGP 6
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The LM393 is a Dual in package comparator IC, meaning the IC has two comparators inside a single 8-pin package. Pin Configuration Pin Number Pin Name Description 1 OUTPUT1 Output of Op-Amp 1 2 INPUT1- Inverting Input of Op-Amp 1 3 INPUT1+ Non-Inverting Input of Op-Amp 1 4 VEE,GND Ground or Negative Supply Voltage 5 INPUT2+ Non-Inverting Input of Op-Amp 2 6 INPUT2- Inverting Input of Op-Amp 2 7 OUTPUT2 Output of Op-Amp 2 8 VCC Positive Supply Voltage LM393 Differential Comparator features and specifications Dual Comparator in a single package Wide power supply Range Single supply – 2V to 36V Dual supply – ±1V to ±18V Drain Current of only 0.4mA Input Offset Voltage is ±3mV maximum Power Dissipation: 780mW Can Drive most of the TTL and MOS loads Output can be Isolated from System Ground Low Offset Voltage and current LM393 Comparator Introduction The LM393 IC can be considered as the equivalent comparator version of the most popular LM358 Op-Amp. While any Op-Amp can be made to work as a voltage comparator, the LM393 proves itself to be advantages by providing an open collector output making it suitable to drive loads. The output transistor can drive loads upto 50V and 50mA which is suitable for driving most of the TTL, MOS and RTL loads. The transistor can also make the Load to be isolated from the system ground. So if you are looking for a Voltage comparator to drive loads of these specifications then this IC might be the right choice for you. Applications Voltage Comparator circuits Can drive Relay, Lamp, Motor Etc Zero Crossing detector Peak voltage Detector High Voltage protection/Warning Oscillator circuits LM393P Datasheet
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