# SL8581XT5

**Slkor SLKORMICRO Elec** · Precision Op Amps · SOT-23-5

SL8581XT5 from Slkor SLKORMICRO Elec, in a SOT-23-5. 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 | OUT | output | Amplifier output. |
| 2 | -VS | power_in | Negative power supply, normally tied to ground. |
| 3 | +IN | input | Non-inverting input of the amplifier, with the same voltage range as -IN (from VS- to VS+). |
| 4 | -IN | input | Inverting input of the amplifier, with a voltage range from VS- to VS+. |
| 5 | +VS | power_in | Positive power supply, specified from 2.3 V to 5.5 V (±1.15 V to ±2.75 V). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Slkor SLKORMICRO Elec |
| Package | SOT-23-5 |
| Category | Amplifiers/Comparators |
| Pins | 5 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Input offset voltage | VOS |  | 25 | 90 | μV | VS=+5V, TA=25℃ | 4 |
| Common-mode rejection ratio | CMRR | 90 | 110 |  | dB | VS=+5V, TA=25℃, VS-<VCM<VS+ | 4 |
| Common-mode rejection ratio | CMRR | 85 |  |  | dB | VS=+5V, TA=-40℃ to +125℃ | 4 |
| Open-loop voltage gain | AVOL | 105 | 135 |  | dB | VS=+5V, TA=25℃, VS-+0.3V<VO<VS+-0.3V | 4 |
| Open-loop voltage gain | AVOL | 100 |  |  | dB | VS=+5V, TA=-40℃ to +125℃ | 4 |
| High output voltage swing (relative to VS+) | VOH | -12 | -4 |  | mV | VS=+5V, TA=25℃, RL=10kΩ | 4 |
| High output voltage swing (relative to VS+) | VOH | -18 |  |  | mV | VS=+5V, TA=-40℃ to +125℃, RL=10kΩ | 4 |
| Low output voltage swing (relative to VS-) | VOL |  | 4 | 12 | mV | VS=+5V, TA=25℃, RL=10kΩ | 4 |
| Low output voltage swing (relative to VS-) | VOL |  |  | 18 | mV | VS=+5V, TA=-40℃ to +125℃, RL=10kΩ | 4 |
| Short-circuit current, source | ISC | 55 | 65 |  | mA | VS=+5V, TA=25℃ | 4 |
| Short-circuit current, source | ISC | 50 |  |  | mA | VS=+5V, TA=-40℃ to +125℃ | 4 |
| Short-circuit current, sink | ISC | 48 | 55 |  | mA | VS=+5V, TA=25℃ | 4 |
| Short-circuit current, sink | ISC | 45 |  |  | mA | VS=+5V, TA=-40℃ to +125℃ | 4 |
| Power supply rejection ratio | PSRR | 90 | 110 |  | dB | VS=2.3V to 5.5V | 4 |
| Power supply rejection ratio | PSRR | 80 |  |  | dB | VS=2.3V to 5.5V, TA=-40℃ to +125℃ | 4 |
| Quiescent current | IQ |  | 350 | 480 | μA | VS=+5V, TA=25℃ | 4 |
| Quiescent current | IQ |  |  | 600 | μA | TA=-40℃ to +125℃ | 4 |
| Input bias current | IB | -100 |  | 100 | pA | VCM=VS/2 | 4 |
| Input offset current | IOS | -100 |  | 100 | pA |  | 4 |
| Common-mode rejection ratio at 2.7V | CMRR | 80 | 100 |  | dB | VS=+2.7V, TA=-40℃ to +125℃ | 5 |
| Open-loop voltage gain at 2.7V | AVOL | 95 |  |  | dB | VS=+2.7V, TA=-40℃ to +125℃ | 5 |
| High output voltage swing at 2.7V (relative to VS+) | VOH | -12 | -3 |  | mV | VS=+2.7V, TA=25℃, RL=10kΩ | 5 |
| Low output voltage swing at 2.7V (relative to VS-) | VOL |  | 3 | 12 | mV | VS=+2.7V, TA=25℃, RL=10kΩ | 5 |
| Short-circuit current, source at 2.7V | ISC | 17 | 24 |  | mA | VS=+2.7V, TA=25℃ | 5 |
| Short-circuit current, source at 2.7V | ISC | 14 |  |  | mA | VS=+2.7V, TA=-40℃ to +125℃ | 5 |
| Short-circuit current, sink at 2.7V | ISC | 15 | 20 |  | mA | VS=+2.7V, TA=25℃ | 5 |
| Short-circuit current, sink at 2.7V | ISC | 12 |  |  | mA | VS=+2.7V, TA=-40℃ to +125℃ | 5 |
| Supply voltage (dual supply, ±) | VS | -3 |  | 3 | V | Dual supply | 3 |
| Supply voltage (single supply) | VS |  |  | 6 | V | Single supply | 3 |
| Input terminal voltage (relative to VS-/VS+) | VIN | -0.5 |  | 0.5 | V | Referenced to VS- (min) and VS+ (max) | 3 |
| Differential voltage | VID | -5 |  | 5 | V |  | 3 |
| Operating temperature | TA | -55 |  | 150 | ℃ | Operating, see note 2 (TJ not exceeded) | 3 |
| Storage temperature | Tstg | -65 |  | 150 | ℃ |  | 3 |
| Junction temperature | TJ |  |  | 150 | ℃ |  | 3 |
| Electrostatic discharge, HBM | ESD |  |  | 8 | kV | HBM | 3 |
| Electrostatic discharge, MM | ESD |  |  | 1 | kV | MM | 3 |
| Operating voltage range | VS | 2.3 |  | 5.5 | V | Single supply; ±1.15V to ±2.75V dual | 2 |
| Specified temperature range | TA | -40 |  | 125 | ℃ |  | 2 |
| Offset voltage drift | VOS TC |  | 0.03 |  | μV/℃ | TA=-40℃ to +125℃ | 4 |
| Input voltage noise, 0.1 Hz to 10 Hz | en |  | 550 |  | nVpp | f=0.1Hz to 10Hz | 4 |
| Input voltage noise density | en |  | 45 |  | nV/√Hz | f=1KHz | 4 |
| Gain bandwidth product | GBW |  | 1.8 |  | MHz |  | 4 |
| Slew rate | SR |  | 0.7 |  | V/μs | G=±1 | 4 |
| Overload recovery time | tOR |  | 50 |  | μs | VIN×G=VS | 4 |

## CAD (KiCad official)

- Symbol: `SL8581XT5`
- Footprint: `Package_TO_SOT_SMD:SOT-23-5`
- 3D model: SOT-23-5 (KiCad packages3D, STEP)
- 3D model files: `sl8581xt5-etched.step` / `sl8581xt5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sl8581xt5.step` / `sl8581xt5.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Slkor SLKORMICRO Elec datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604442209089703936) (12 pp, sha256 `8c7720d93037a580`, retrieved 2026-10-17, 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/sl8581xt5-datasheet.pdf)