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Description
These devices consist of two 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.
The LM193 device is characterized for operation from −55°C to +125°C. The LM293 and LM293A devices are characterized for operation from −25°C to +85°C. The LM393 and LM393A devices are characterized for operation from 0°C to 70°C. The LM2903, LM2903V, and LM2903AV devices are characterized for operation from −40°C to +125°C.
Features
• Single-Supply or Dual Supplies
• Wide Range of Supply Voltage
– Maximum Rating: 2 V to 36 V
– Tested to 30 V: Non-V Devices
– Tested to 32 V: V-Suffix Devices
• Low Supply-Current Drain Independent of Supply Voltage: 0.4 mA (Typical) Per Comparator
• Low Input Bias Current: 25 nA (Typical)
• Low Input Offset Current: 3 nA (Typical) (LM193)
• Low Input Offset Voltage: 2 mV (Typical)
• Common-Mode Input Voltage Range Includes Ground
• Differential Input Voltage Range Equal to Maximum-Rated Supply Voltage: ±36 V
• Low Output Saturation Voltage
• Output Compatible With TTL, MOS, and CMOS
• On Products Compliant to MIL-PRF-38535, All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.
Applications
• Chemical or Gas Sensor
• Desktop PC
• Motor Control: AC Induction
• Weigh Scale