# LM2901PT

**STMicroelectronics** · Comparators · TSSOP-14

LM2901PT from STMicroelectronics, in a TSSOP-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 | OUT2 | output | Open-collector output of comparator 2, with output sink current typically 16 mA and low level 250 mV typ. at 4 mA. |
| 2 | OUT1 | output | Open-collector output of comparator 1, with output sink current typically 16 mA and low level 250 mV typ. at 4 mA. |
| 3 | VCC+ | power_in | Positive supply, operating range 2 V to 32 V (absolute maximum 36 V). |
| 4 | IN1- | input | Inverting input of comparator 1, common-mode range 0 to VCC+ -1.5 V. |
| 5 | IN1+ | input | Non-inverting input of comparator 1, common-mode range 0 to VCC+ -1.5 V. |
| 6 | IN2- | input | Inverting input of comparator 2, common-mode range 0 to VCC+ -1.5 V. |
| 7 | IN2+ | input | Non-inverting input of comparator 2, common-mode range 0 to VCC+ -1.5 V. |
| 8 | IN3- | input | Inverting input of comparator 3, common-mode range 0 to VCC+ -1.5 V. |
| 9 | IN3+ | input | Non-inverting input of comparator 3, common-mode range 0 to VCC+ -1.5 V. |
| 10 | IN4- | input | Inverting input of comparator 4, common-mode range 0 to VCC+ -1.5 V. |
| 11 | IN4+ | input | Non-inverting input of comparator 4, common-mode range 0 to VCC+ -1.5 V. |
| 12 | VCC- | power_in | Negative supply or ground for single-supply operation. |
| 13 | OUT4 | output | Open-collector output of comparator 4, with output sink current typically 16 mA and low level 250 mV typ. at 4 mA. |
| 14 | OUT3 | output | Open-collector output of comparator 3, with output sink current typically 16 mA and low level 250 mV typ. at 4 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | TSSOP-14 |
| Category | Amplifiers |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage (absolute maximum) | VCC | -18 |  | 36 | V | Printed as ±18 to 36 | 3 |
| Differential input voltage (absolute maximum) | Vid | -36 |  | 36 | V | Printed as ±36 | 3 |
| Input voltage (absolute maximum) | Vin | -0.3 |  | 36 | V |  | 3 |
| Thermal resistance junction to ambient, TSSOP14 | Rthja |  |  | 100 | °C/W | Junction to ambient, TSSOP14 package | 3 |
| Thermal resistance junction to case, TSSOP14 | Rthjc |  |  | 32 | °C/W | Junction to case, TSSOP14 package | 3 |
| Maximum junction temperature | Tj |  |  | 150 | °C |  | 3 |
| Storage temperature range | Tstg | -65 |  | 150 | °C |  | 3 |
| ESD human body model | HBM |  |  | 500 | V | Human body model, 100 pF through 1.5 kΩ | 3 |
| ESD machine model | MM |  |  | 100 | V | Machine model, 200 pF | 3 |
| ESD charged device model | CDM |  |  | 1500 | V | Charged device model | 3 |
| Supply voltage (single supply, operating) | VCC | 2 |  | 32 | V | Single supply | 3 |
| Supply voltage (dual supplies, operating) | VCC | 1 |  | 16 | V | Dual supplies, printed as ±1 to ±16 V | 3 |
| Common mode input voltage range, upper limit | Vicm | 0 |  |  | V | Upper limit printed as VCC+ - 1.5 V | 3 |
| Common mode input voltage range, upper limit over temperature | Vicm | 0 |  |  | V | Tmin ≤ Tamb ≤ Tmax; upper limit printed as VCC+ - 2 V | 3 |
| Operating free-air temperature range | Toper | -40 |  | 125 | °C |  | 3 |
| Input offset voltage | Vio |  |  | 15 | mV | Tmin ≤ Tamb ≤ Tmax; VO ≈ 1.4 V, RS = 0, VCC+ 5 V to 30 V | 4 |
| Input offset current | Iio |  | 5 | 50 | nA |  | 4 |
| Input offset current over temperature | Iio |  |  | 150 | nA | Tmin ≤ Tamb ≤ Tmax | 4 |
| Input bias current | Iib |  | 25 | 250 | nA |  | 4 |
| Input bias current over temperature | Iib |  |  | 400 | nA | Tmin ≤ Tamb ≤ Tmax | 4 |
| Large signal voltage gain | Avd | 25 | 200 |  | V/mV | VCC = 15 V, RL = 15 kΩ, Vo = 1 to 11 V | 4 |
| Supply current (all comparators), VCC = +5 V | ICC |  | 1.1 | 2 | mA | VCC = +5 V, no load | 4 |
| Supply current (all comparators), VCC = +30 V | ICC |  | 1.3 | 2.5 | mA | VCC = +30 V, no load | 4 |
| Low level output voltage | VOL |  | 250 | 400 | mV | Vid = -1 V, Isink = 4 mA | 4 |
| Low level output voltage over temperature | VOL |  |  | 700 | mV | Tmin ≤ Tamb ≤ Tmax; Vid = -1 V, Isink = 4 mA | 4 |
| High level output current over temperature | IOH |  |  | 1 | µA | Tmin ≤ Tamb ≤ Tmax; VCC = Vo = 30 V, Vid = 1 V | 4 |
| Output sink current | Isink | 6 | 16 |  | mA | Vid = -1 V, Vo = 1.5 V | 4 |
| Large signal response time, output at 50% of final value | trel |  |  | 500 | ns | TTL input (Vref = +1.4 V, RL = 5.1 kΩ to VCC+); output at 50% of final value | 4 |
| Large signal response time, output at 95% of final value | trel |  |  | 1 | µs | TTL input (Vref = +1.4 V, RL = 5.1 kΩ to VCC+); output at 95% of final value | 4 |

## CAD (KiCad official)

- Symbol: `LM2901PT`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `lm2901pt-etched.step` / `lm2901pt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2901pt.step` / `lm2901pt.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://www.st.com/resource/en/datasheet/lm2901pt.pdf) (17 pp, sha256 `43565e6eb9a8b5be`, retrieved 2026-10-28, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/lm2901pt-datasheet.pdf)