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LM393CS Datasheet(PDF) 1 Page - First Components International |
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LM393CS Datasheet(HTML) 1 Page - First Components International |
1 / 4 page LM393 Dual Differential Comparator DUAL DIFFERENTIAL COMPARATORS Dual supplies can also be used as long as the difference between them is 2 to 36 volts. The LM393 is designed to operate at a temperature range of 0oC to 70oC. The LM393 dual differential comparator is made up of two voltage comparators that operate using the same power supply. THe supply voltage can range from 2 to 36 volts. FEATURES l Single or dual supplies l 2 to 36 V Supply l Low Input Bias Current l Low Input Offset Voltage l Low Input Offset Current l Low Supply Current Drain l Output Compatible with TTL, MOS, and CMOS PIN ARRANGEMENT 8 SOP LM393CS 8 DIP LM393CD ABSOLUTE MAXIMUM RATINGS Power Supply Voltage V CC +36 or +18 V Input Differential Voltage Range V IDR 36 V Input Common Mode Voltage Range V ICR -0.3 to +36 V Output Short Circuit-to-Ground I SC Continuous mA Output Sink Current (1) I Sink 20 Power Dissipation @ 25oCP D 570 mW Derate above 25oC 1/Rθ JA 5.7 mW/oC Operating Ambient Temperature Range T A 0 to 70 oC Operating Junction Temperature T J 125 oC Storage Temperature Range T S -65 to 150 oC Item Symbol Rating Unit Notes: 1. The max. output current may be as high as 20 mA, independent of the magnitude of V CC , output short circuits to V CC can cause excessive heating and eventual destruction. 2. At output switch point, V O = 1.4 Vdc, RS = 0 Ω with VCC from 5.0 Vdc to 30 Vdc, and over the full input common mode range (0V to V CC = –1.5V). 3. Due to the PNP transistor inputs, bias current will flow out of the inputs. This current is essentially constant, independent of the output state, therefore, no loading changes will exist on the input lines. 4. Input common mode of either input should not be permitted to go more than 0.3V negative of ground or minus supply. The upper limit of common mode range is V CC –1.5V. 5. Response time is specified with a 100mV step and 5.0mV of overdrive. With larger magnitudes of overdrive faster response times are obtainable. 6. The comparator will exhibit proper output state if one of the inputs becomes greater than V CC , the other input must remain within the common mode range. The low input state must not be less than –0.3V of ground or minus supply. 5-16 |
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