Product Announcement from Texas Instruments Standard Linear and Logic

Texas Instruments Quad Differential Comparator-Image

The LM339 consists of four independent voltage comparators that are designed to operate from a single power supply over a wide range of voltages. Operation from dual supplies also is possible, as long as the difference between the two supplies is 2 V to 36 V, and VCC is at least 1.5 V more positive than the input common-mode voltage. Current drain is independent of the supply voltage. The outputs can be connected to other open-collector outputs to achieve wired-AND relationships.
• Low Supply-Current Drain Independent of Supply Voltage: 0.8 mA (Typ)
• Low Input Bias Current: 25 nA (Typ)
• Low Input Offset Current: 3 nA (Typ) (LM139)
• Low Input Offset Voltage: 2 mV (Typ)
• Common-Mode Input Voltage Range Includes Ground
• Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage: ±36V
• Low Output Saturation Voltage
• Output Compatible With TTL, MOS, and CMOS

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