# OPA4820IPWR

**Texas Instruments** · Operational Amplifier · TSSOP-14

OPA4820IPWR from Texas Instruments, 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 | Output A | output | Channel A amplifier output, delivering ±85mA typical output current with ±3.7V swing into RL ≥ 500Ω at VS = ±5V. |
| 2 | -Input A | input | Channel A inverting input; differential input voltage must not exceed ±1.2V. |
| 3 | +Input A | input | Channel A noninverting input; common-mode range ±4.0V typical at VS = ±5V, not beyond ±VS absolute maximum. |
| 4 | +V | power_in | Positive power supply, operating ±2V to ±6.3V dual (or +4V to +12.6V single) with absolute maximum ±6.5V. |
| 5 | +Input B | input | Channel B noninverting input; common-mode range ±4.0V typical at VS = ±5V, not beyond ±VS absolute maximum. |
| 6 | -Input B | input | Channel B inverting input; differential input voltage must not exceed ±1.2V. |
| 7 | Output B | output | Channel B amplifier output, delivering ±85mA typical output current with ±3.7V swing into RL ≥ 500Ω at VS = ±5V. |
| 8 | Output C | output | Channel C amplifier output, delivering ±85mA typical output current with ±3.7V swing into RL ≥ 500Ω at VS = ±5V. |
| 9 | -Input C | input | Channel C inverting input; differential input voltage must not exceed ±1.2V. |
| 10 | +Input C | input | Channel C noninverting input; common-mode range ±4.0V typical at VS = ±5V, not beyond ±VS absolute maximum. |
| 11 | -V | power_in | Negative power supply (ground in single-supply use), operating ±2V to ±6.3V dual with absolute maximum ±6.5V total supply per datasheet rating. |
| 12 | +Input D | input | Channel D noninverting input; common-mode range ±4.0V typical at VS = ±5V, not beyond ±VS absolute maximum. |
| 13 | -Input D | input | Channel D inverting input; differential input voltage must not exceed ±1.2V. |
| 14 | Output D | output | Channel D amplifier output, delivering ±85mA typical output current with ±3.7V swing into RL ≥ 500Ω at VS = ±5V. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |

## CAD (KiCad official)

- Symbol: `OPA4820IPWR`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `opa4820ipwr-etched.step` / `opa4820ipwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4820ipwr.step` / `opa4820ipwr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/opa4820) (38 pp, sha256 `d1ece38dc65e50f6`, retrieved 2026-10-11, 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/opa4820ipwr-datasheet.pdf)