# OPA2333M

**HGSEMI** · Operational Amplifier · SOP-8

OPA2333M from HGSEMI, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUT A | output | Output of op-amp channel A. Rail-to-rail output driver. |
| 2 | -IN A | input | Inverting input of op-amp channel A. Rail-to-rail CMOS input. |
| 3 | +IN A | input | Non-inverting input of op-amp channel A. Rail-to-rail CMOS input. |
| 4 | V- | power_in | Negative supply rail (lowest potential). Tie to GND for single-supply operation. Supply span V+ to V- is 1.8V to 5.5V. |
| 5 | +IN B | input | Non-inverting input of op-amp channel B. Rail-to-rail CMOS input. |
| 6 | -IN B | input | Inverting input of op-amp channel B. Rail-to-rail CMOS input. |
| 7 | OUT B | output | Output of op-amp channel B. Rail-to-rail output driver. |
| 8 | V+ | power_in | Positive supply rail (highest potential). Operating range 1.8V to 5.5V referenced to V-. Bypass with 100nF to V-. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HGSEMI |
| Package | SOP-8 |
| Category | Op-amp/Cmp |
| Pins | 8 |

## Ordering variants

Same part, different packaging or reel option.

- `OPA2333M/TR`
- `OPA2333BM/TR`
- `OPA2333MM/TR`
- `OPA2333BMM/TR`

## CAD (KiCad official)

- Symbol: `OPA2333M`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8 (KiCad packages3D, STEP)
- 3D model files: `opa2333m-etched.step` / `opa2333m-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa2333m.step` / `opa2333m.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HGSEMI datasheet](docs/opa2333m-datasheet.pdf) (20 pp, sha256 `bc8cb63c9597692f`, retrieved 2026-08-17, 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:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/opa2333m-datasheet.pdf)