The Texas Instruments LM193, LM293, LM393 and LM2903 are dual differential input voltage comparators designed to operate from a single power supply over a wide range of voltages. The common mode input voltage range includes ground and the devices have open collector outputs.
Comparators, Texas Instruments
Texas Instruments’ range of voltage comparators includes not only conventional single, dual and quad comparator packages but also window comparators and over- & under-voltage supervisors.
Although comparators and operational amplifiers are superficially similar devices their operation in practical applications is very different. Op amps are intended for linear operation accompanied by suitable feedback whereas comparators are tailored for rapid switching and generally operated in open-loop mode. Dedicated voltage comparators have significantly shorter propagation delays and are capable of faster response times under saturated conditions. Most comparators are also more tolerant of high differential input voltages and many have open-collector outputs allowing parallel operation with other devices.
Attribute
Value
Comparator Type
Differential
Mounting Type
Through Hole
Package Type
TO-99
Power Supply Type
Dual, Single
Output Type
Open Collector, Open Drain
Number of Channels per Chip
2
Typical Response Time
1.3µs
Pin Count
8
Typical Single Supply Voltage
2 → 36 V
Dimensions
9.4 x 4.7mm
Length
9.4mm
Height
4.7mm
Maximum Operating Temperature
+125 °C
Typical Dual Supply Voltage
±1 → ±18V
Typical Voltage Gain
200 V/mV
Minimum Operating Temperature
-55 °C
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