The LM193/A/293/A/393/A/2903 is a low power dual voltage comparator from Philips Semiconductors. It features a very low input biasing current and offset voltage, and can be directly interfaced with TTL and CMOS logic.
The LM193 series from Philips Semiconductors comprises four low‑power dual‑voltage comparators (LM193, LM293, LM393, LM2903) designed for single‑supply operation with a wide input common‑mode range that includes ground. They are suitable for interfacing with TTL, CMOS, MOS and other logic families and can also operate from split power supplies.
The document provides detailed electrical characteristics, absolute maximum ratings, pin configurations, ordering information, equivalent circuit diagrams and typical performance curves. It also lists typical applications such as A/D converters, VCOs, multivibrators and clock generators.
| Supply voltage range | 2.0 VDC to 36 VDC (single) or +1.0 VDC to +18 VDC (dual) |
|---|---|
| Input bias current | 25 nA |
| Output saturation voltage | 250 mV at 4 mA |
| Operating temperature range (LM193) | -55 °C to +125 °C |
| Operating temperature range (LM293) | -25 °C to +85 °C |
The series operates from a single supply of 2.0 VDC to 36 VDC, or from dual supplies of +1.0 VDC to +18 VDC.
The LM293 is rated for operation from –25 °C to +85 °C.