The LM111, LM211, and LM311 devices are single high-speed voltage comparators. These devices are designed to operate from a wide range of power-supply voltages, including ±15-V supplies for operational amplifiers and 5-V supplies for logic systems. The output levels are compatible with most TTL and MOS circuits. These comparators are capable of driving lamps or relays and switching voltages up to 50 V at 50 mA. All inputs and outputs can be isolated from system ground. The outputs can drive loads referenced to ground, VCC+ or VCC−. Offset balancing and strobe capabilities are available, and the outputs can be wire-OR connected. If the strobe is low, the output is in the off state, regardless of the differential input.
| Number of channels | 1 |
| Output type | Open-collector, Open-drain |
| Propagation delay time (µs) | 0.115 |
| Vs (max) (V) | 30 |
| Vs (min) (V) | 3.5 |
| Vos (offset voltage at 25°C) (max) (mV) | 7.5 |
| Iq per channel (typ) (mA) | 5.1 |
| Input bias current (±) (max) (nA) | 250 |
| Rail-to-rail | No |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 |
| Features | Strobe, Vos Adj Pin |
| VICR (max) (V) | 28 |
| VICR (min) (V) | 0.5 |
| PDIP (P) | 8 | 92.5083 mm² 9.81 x 9.43 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| SOP (PS) | 8 | 48.36 mm² 6.2 x 7.8 |
| TSSOP (PW) | 8 | 19.2 mm² 3 x 6.4 |
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