Texas Instruments
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Quad comparator, open-collector outputs. Window comparators and multi-threshold sensing.
| Part number | LM339 |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits › Op-Amps & Comparators |
| Package | DIP-14 |
| Pins | 14 |
LM339 pinout
| Pin | Name | Type | Description |
|---|---|---|---|
| 1 | OUT2 | oc | Comparator 2 output |
| 2 | OUT1 | oc | Comparator 1 output |
| 3 | VCC | power | Supply |
| 4 | IN1- | input | Comparator 1 inverting |
| 5 | IN1+ | input | Comparator 1 non-inverting |
| 6 | IN2- | input | Comparator 2 inverting |
| 7 | IN2+ | input | Comparator 2 non-inverting |
| 8 | GND | ground | Ground |
| 9 | IN3+ | input | Comparator 3 non-inverting |
| 10 | IN3- | input | Comparator 3 inverting |
| 11 | IN4+ | input | Comparator 4 non-inverting |
| 12 | IN4- | input | Comparator 4 inverting |
| 13 | OUT4 | oc | Comparator 4 output |
| 14 | OUT3 | oc | Comparator 3 output |
Schematic symbol and footprint
Schematic symbol
Footprint: DIP-14 — to scale, pad 1 in yellow (mm). Check against the datasheet before ordering PCBs.