器件名称: LM339
功能描述: QUAD VOLTAGE COMPARATORS
文件大小: 74.28KB 共4页
简 介:LM339 Quad Voltage Comparator
QUAD VOLTAGE COMPARATORS
These comparators are designed for use in level detection, low–level sensing and memory applications in consumer automotive and industrial electronic applications.
FEATURES
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PIN ARRANGEMENT
14 DIP LM339CD Single or dual supplies Low Input Bias Current - 25nA(Typ) Low Input Offset Voltage - +1.0mV(Typ) Low Input Offset Current - +5.0nA(Typ) Input common-mode voltage range to GND Output Compatible with TTL, MOS, 14 SOP LM339CS and CMOS Low output saturation voltage - 130mV(Typ) @ 4.0mA
ABSOLUTE MAXIMUM RATINGS
Item Power Supply Voltage Input Differential Voltage Range Input Common Mode Voltage Range Output Short Circuit-to-Ground Power Dissipation @ 25oC Derate above 25oC Operating Ambient Temperature Range Storage Temperature Range Symbol VCC VIDR VICR ISC PD TA TS Rating +36 or +18 36 -0.3 to +36 Continuous 1.0 8.0 0 to 70 -65 to 150 Unit V V V mA W mW/oC
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Notes: 1. The max. output current may be as high as 20 mA, independent of the magnitude of VCC , output short circuits to VCC can cause excessive heating and eventual destruction. 2. This magnitude of input current will only occur if the leads are driven more negative than ground or the negative supply voltage. This is due to the input PNP collector base junction becooming forward biased, acting as an input clamp diode. There is also a lateral PNP parasitic transistor action which can cause the output voltage of the comparators to go to the VCC……
