# D4556F

**Silicore(芯谷)** · IC · SOP-8

D4556F from Silicore(芯谷), 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 | OUT 1 | output | Output of op-amp 1; the datasheet gives the output swing as 0 to Vcc-1.5V and a typical output current of 100mA. |
| 2 | IN 1(-) | input | Inverting input of op-amp 1; the absolute maximum input voltage for the device is 15V. |
| 3 | IN 1(+) | input | Non-inverting input of op-amp 1; the absolute maximum input voltage for the device is 15V. |
| 4 | Vee | power_in | Negative supply pin; the datasheet's electrical tables use Vee = -15V for the test conditions and the device supply range is ±2V to ±18V. |
| 5 | IN 2(+) | input | Non-inverting input of op-amp 2; the absolute maximum input voltage for the device is 15V. |
| 6 | IN 2(-) | input | Inverting input of op-amp 2; the absolute maximum input voltage for the device is 15V. |
| 7 | OUT 2 | output | Output of op-amp 2; the datasheet gives the output swing as 0 to Vcc-1.5V and a typical output current of 100mA. |
| 8 | Vcc | power_in | Positive supply pin; the absolute maximum supply voltage is 18V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Silicore(芯谷) |
| Package | SOP-8 |
| Category |  |
| 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 |
|---|---|---|---|---|---|---|---|
| Supply voltage | Vcc |  |  | 18 | V |  | 2 |
| Differential input voltage | VI(DIFF) |  |  | 30 | V |  | 2 |
| Input voltage | VI |  |  | 15 | V |  | 2 |
| Operating ambient temperature range | Tamb | -20 |  | 75 | ℃ |  | 2 |
| Storage temperature range | Tstg | -40 |  | 150 | ℃ |  | 2 |
| Supply current | Icc |  | 7 | 9 | mA | Vcc=±15V | 3 |
| Input offset voltage | VIO |  | 0.5 | 6 | mV | RS10k | 3 |
| Input offset current | IIO |  | 5 | 60 | nA |  | 3 |
| Input bias current | IBIAS |  | 30 | 500 | nA |  | 3 |
| Input common-mode voltage range | VI(R) | 13.5 | 14 |  | V |  | 3 |
| Large-signal voltage gain | Gv | 20 | 200 |  | V/mV | Vo (p-p) =10V,RL2k | 3 |
| Output voltage swing | Vo(p-p) | 12 | 13.5 |  | V | RL2k | 3 |
| Output voltage swing | Vo(p-p) | 10.5 | 11 |  | V | RL150 | 3 |
| Common-mode rejection ratio | CMRR | 70 | 90 |  | dB | RS10k | 3 |
| Power supply rejection ratio | PSRR | 76 | 90 |  | dB | RS10k | 3 |
| Slew rate | SR |  | 1 |  | V/μs | RL≥2K | 3 |

## CAD (KiCad official)

- Symbol: `D4556F`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `d4556f-etched.step` / `d4556f-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `d4556f.step` / `d4556f.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Silicore(芯谷) datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603380542255878144) (8 pp, sha256 `5889184fb991fa22`, retrieved 2026-10-21, tier: lcsc)
- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- **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/d4556f-datasheet.pdf)