The LM7221 is a micropower CMOS comparator available in the space saving 5-Pin SOT-23 package. This makes this comparator ideal for space and weight critical designs. The LMC7221 is also available in the 8-Pin SOIC package. The LMC7221 is supplied in two offset voltage grades, 5 mV and 15 mV.
The open drain output can be pulled up with a resistor to a voltage which can be higher or lower than the supply voltage—this makes the part useful for mixed voltage systems.
For a tiny comparator with a push-pull output, please see the LMC7211 datasheet.
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| Number of channels | 1 |
| Output type | Open-collector, Open-drain |
| Propagation delay time (µs) | 4 |
| Vs (max) (V) | 15 |
| Vs (min) (V) | 2.7 |
| Vos (offset voltage at 25°C) (max) (mV) | 5 |
| Iq per channel (typ) (mA) | 0.007 |
| Input bias current (±) (max) (nA) | 0.0004 |
| Rail-to-rail | In |
| Rating | Catalog |
| Operating temperature range (°C) | -40 to 85 |
| VICR (max) (V) | 15.2 |
| VICR (min) (V) | -0.2 |
| SOIC (D) | 8 | 29.4 mm² 4.9 x 6 |
| SOT-23 (DBV) | 5 | 8.12 mm² 2.9 x 2.8 |
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