# XL3140

**XINLUDA** · Operational Amplifier · SOP-8

XL3140 from XINLUDA, in a SOP-8. 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 | OFFSET NULL | passive | Terminal used to adjust (null) the input offset voltage error. |
| 2 | INV. INPUT | input | Inverting input of the operational amplifier. |
| 3 | NON-INV. INPUT | input | Non-inverting input of the operational amplifier; common-mode input range extends 0.5V below the negative supply rail. |
| 4 | V- | power_in | Negative supply terminal, specified as ground in the pin table; the part operates from 4V to 36V single or dual supply. |
| 5 | OFFSET NULL | passive | Second terminal used to adjust (null) the input offset voltage error. |
| 6 | OUTPUT | output | Output pin; the output stage is protected against damage from a short circuit to either supply rail or to ground. |
| 7 | V+ | power_in | Positive voltage supply terminal; the part operates from 4V to 36V (single or dual supply). |
| 8 | STROBE | input | Employed for phase compensation or to turn off the output stage. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | XINLUDA |
| Package | SOP-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| DC Supply Voltage (between V+ and V- terminals) | VCC |  |  | 36 | V | Between V+ and V- Terminals | 3 |
| Differential Mode Input Voltage | VIN |  |  | 8 | V |  | 3 |
| DC Input Voltage | VDC | -0.5 |  | 8 | V | Min printed as V- -0.5; max printed as V+ +8 | 3 |
| Input Terminal Current | IIK |  |  | 1 | mA |  | 3 |
| Output Short Circuit Duration (max current as printed) | IOK |  |  | -20 | mA | Indefinite; Note 2 | 3 |
| Temperature Range | Ttg | -40 |  | 80 | ℃ |  | 3 |
| Supply voltage (single or dual supply) |  | 4 |  | 36 | V | Single or dual supply, from description text | 1 |
| Operating temperature range (XL3140 ordering table) |  | -40 |  | 85 | ℃ | Temperature range per ordering information | 30 |
| Input Offset Voltage | /VIO/ |  | 5 | 15 | mV |  | 5 |
| Input Offset Current | /IIO/ |  | 0.5 | 30 | pA |  | 5 |
| Input Current | II |  | 10 | 50 | pA |  | 5 |
| Large Signal Voltage Gain | AOL | 20 | 100 |  | kV/V | Note 3; See Figures 6, 27 | 5 |
| Large Signal Voltage Gain | AOL | 86 | 100 |  | dB | Note 3; See Figures 6, 27 | 5 |
| Common Mode Rejection Ratio | CMRR |  | 32 | 320 | V/V | See Figure 32 | 5 |
| Common Mode Rejection Ratio | CMRR | 70 | 90 |  | dB | See Figure 32 | 5 |
| Common Mode Input Voltage Range (min as printed; typ and 11 cell not parseable) | VICR | -15 |  |  | V | See Figure 8 | 5 |
| Power-Supply Rejection Ratio | PSRR |  | 100 | 150 | V/V | VIO/VS; See Figure 34 | 5 |
| Power-Supply Rejection Ratio | PSRR | 76 | 80 |  | dB | VIO/VS; See Figure 34 | 5 |
| Max Output Voltage (positive swing) | VOM+ | 12 | 13 |  | V | Note 4 (RL = 2k); See Figures 2, 8 | 5 |
| Max Output Voltage (negative swing) | VOM- | -14 | -14.4 |  | V | Note 4 (RL = 2k); See Figures 2, 8 | 5 |
| Supply Current | I+ |  | 4 | 6 | mA | See Figure 30 | 5 |
| Device Dissipation | PD |  | 120 | 180 | mW |  | 5 |
| Input Offset Voltage Temperature Drift | VIO/T |  | 8 |  | V/oC |  | 5 |
| Thermal Resistance Junction-to-Ambient, SOP package (XL3140), typical | θJA |  | 165 |  | ℃/W | Free air, low effective thermal conductivity test board (Note 1) | 3 |
| Maximum Junction Temperature |  |  |  | 150 | ℃ |  | 3 |
| Maximum Storage Temperature Range |  | -45 |  | 125 | ℃ |  | 3 |
| Maximum Lead Temperature (Soldering) |  |  |  | 300 | ℃ | Soldering 10s | 3 |

## CAD (KiCad official)

- Symbol: `XL3140`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `xl3140-etched.step` / `xl3140-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `xl3140.step` / `xl3140.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [XINLUDA datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588905499483496448) (31 pp, sha256 `638e69731666993a`, retrieved 2026-10-09, 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/xl3140-datasheet.pdf)