# LM239AMDREP

**Texas Instruments** · Comparators · SOIC-14

LM239AMDREP from Texas Instruments, in a SOIC-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | 1OUT | output | Open-collector output of comparator 1, which can be wired-AND with other open-collector outputs, with output voltage up to 36 V and output current up to 20 mA. |
| 2 | 2OUT | output | Open-collector output of comparator 2, which can be wired-AND with other open-collector outputs, with output voltage up to 36 V and output current up to 20 mA. |
| 3 | VCC | power_in | Positive supply, 2 V to 36 V single supply (tested to 30 V for non-V devices), and at least 1.5 V above the input common-mode voltage. |
| 4 | 2IN− | input | Inverting input of comparator 2, with input voltage range of −0.3 V to 36 V. |
| 5 | 2IN+ | input | Noninverting input of comparator 2, with input voltage range of −0.3 V to 36 V. |
| 6 | 1IN− | input | Inverting input of comparator 1, with input voltage range of −0.3 V to 36 V. |
| 7 | 1IN+ | input | Noninverting input of comparator 1, with input voltage range of −0.3 V to 36 V. |
| 8 | 3IN− | input | Inverting input of comparator 3, with input voltage range of −0.3 V to 36 V. |
| 9 | 3IN+ | input | Noninverting input of comparator 3, with input voltage range of −0.3 V to 36 V. |
| 10 | 4IN− | input | Inverting input of comparator 4, with input voltage range of −0.3 V to 36 V. |
| 11 | 4IN+ | input | Noninverting input of comparator 4, with input voltage range of −0.3 V to 36 V. |
| 12 | GND | power_in | Ground reference for the device; the common-mode input range includes ground. |
| 13 | OUT4 | output | Open-collector output of comparator 4, which can be wired-AND with other open-collector outputs, with output voltage up to 36 V and output current up to 20 mA. |
| 14 | OUT3 | output | Open-collector output of comparator 3, which can be wired-AND with other open-collector outputs, with output voltage up to 36 V and output current up to 20 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Single-supply voltage | VCC | 2 |  | 36 | V | Single supply; tested to 30 V for non-V devices | 1 |
| Dual-supply voltage (±) |  | 1 |  | 18 | V | Dual supplies; tested to ±15 V for non-V devices | 1 |
| Operating free-air temperature range | TA | -55 |  | 125 | °C | Ordering table, SOP-D tape and reel LM239AMDREP | 2 |
| Input offset voltage | VIO |  | 1 | 2.5 | mV | VCC = 5 V to 30 V, VIC = VICR min, VO = 1.4 V; TA = 25°C | 4 |
| Input offset voltage | VIO |  |  | 5.5 | mV | VCC = 5 V to 30 V, VIC = VICR min, VO = 1.4 V; TA = full range | 4 |
| Input offset current | IIO |  | 5 | 50 | nA | VO = 1.4 V; TA = 25°C | 4 |
| Input offset current | IIO |  |  | 150 | nA | VO = 1.4 V; TA = full range | 4 |
| Input bias current | IIB |  | -25 | -250 | nA | VO = 1.4 V; TA = 25°C | 4 |
| Input bias current | IIB |  |  | -400 | nA | VO = 1.4 V; TA = full range | 4 |
| Large-signal differential-voltage amplification | AVD | 50 | 200 |  | V/mV | TA = 25°C; VCC = 15 V, VO = 1.4 V to 11.4 V, RL ≥ 15 kΩ to VCC | 4 |
| High-level output current | IOH |  | 0.1 | 50 | nA | VID = 1 V, VOH = 5 V; TA = 25°C | 4 |
| High-level output current | IOH |  |  | 1 | mA | VID = 1 V, VOH = 30 V; TA = full range | 4 |
| Low-level output voltage | VOL |  | 150 | 400 | mV | VID = –1 V, IOL = 4 mA; TA = 25°C | 4 |
| Low-level output voltage | VOL |  |  | 700 | mV | VID = –1 V, IOL = 4 mA; TA = full range | 4 |
| Low-level output current | IOL | 6 | 16 |  | mA | VID = –1 V, VOL = 1.5 V; TA = 25°C | 4 |
| Supply current (four comparators) | ICC |  | 0.8 | 2 | mA | VO = 2.5 V, No load; TA = 25°C | 4 |
| Supply voltage | VCC |  |  | 36 | V |  | 3 |
| Differential input voltage | VID | -36 |  | 36 | V |  | 3 |
| Input voltage range (either input) | VI | -0.3 |  | 36 | V | Either input | 3 |
| Output voltage | VO |  |  | 36 | V |  | 3 |
| Output current | IO |  |  | 20 | mA |  | 3 |
| Package thermal impedance, junction to free air | qJA |  |  | 86 | °C/W | Junction to free air | 3 |
| Operating virtual-junction temperature | TJ |  |  | 136 | °C |  | 3 |
| Lead temperature |  |  |  | 260 | °C | 1.6 mm (1/16 in) from case for 10 s | 3 |
| Storage temperature range | Tstg | -65 |  | 150 | °C |  | 3 |

## CAD (KiCad official)

- Symbol: `LM239AMDREP`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `lm239amdrep-etched.step` / `lm239amdrep-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm239amdrep.step` / `lm239amdrep.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm239a-ep) (17 pp, sha256 `7a518a84bbc3d07f`, retrieved 2026-10-12, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/lm239amdrep-datasheet.pdf)