The LM393B and LM2903B devices are the next generation versions of the industry-standardLM393 and LM2903 comparator family. These next generation devices provide outstanding value forcost-sensitive applications, with features including lower offset voltage, higher supply voltagecapability, lower supply current, lower input bias current, lower propagation delay, and improved2kV ESD performance with drop-in replacement convenience.
All devices consist of two independent voltage comparators that are designed to operatefrom a single power supply over a wide range of voltages. Operation from dual supplies also ispossible as long as the difference between the two supplies is within 2 V to 36 V, andVCC 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 otheropen-collector outputs to achieve wired-AND relationships.
Feature
- 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
- Tested to 36 V: B-suffix devices
- Low supply-current drain independent of supply voltage: 0.2 mA (typical) per comparator
- Low input bias current: 15 nA (typical, ’B’ device)
- Low lurrent: 2 nA (Typical)
- Low input offset voltage: 0.37 mV (typical, ’B’ device)
- 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
