# TPA8801B-TR

**3PEAK** · Interface - Specialized · TSSOP-14

TPA8801B-TR from 3PEAK, 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 | TO | output | TIA output. |
| 2 | IN- | input | Amplifier inverting input, sensor input. |
| 3 | IN+ | input | Amplifier non-inverting input, sensor input. |
| 4 | GND | power_in | Ground. |
| 5 | SC1 | passive | Slope control capacitor input. |
| 6 | SC2 | passive | Slope control capacitor output. |
| 7 | LPFC | passive | Low pass filter capacitor connection. |
| 8 | TP | passive | Test point. |
| 9 | GR1 | passive | Voltage gain setting; Rg connects between GR1 and GR2 to set the gain. |
| 10 | GR2 | passive | Voltage gain setting; Rg connects between GR1 and GR2 to set the gain. |
| 11 | VCC | power_in | Power supply, 2.1V to 5.5V. |
| 12 | HPFC | passive | High pass filter capacitor connection. |
| 13 | NR | passive | Noise reduction capacitor connection. |
| 14 | OUT | output | Signal output. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | 3PEAK |
| Package | TSSOP-14 |
| Category | Interface ICs |
| Pins | 14 |

## Electrical characteristics

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

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Power supply | VCC | 2.1 |  | 5.5 | V | TA = 27°C | 3 |
| Supply current | IQ |  | 390 | 700 | µA | TA = 27°C, VCC = 5V | 3 |
| DC Gain Error | DGE | -1 |  | 1 | % | Guaranteed by design | 3 |
| Voltage Reference | VREF | 0.8 |  | 0.9 | V |  | 3 |
| Input Bias Current | IB |  | 1 | 10 | pA |  | 3 |
| Amplifier Offset Voltage | VOS |  |  | 400 | µV |  | 3 |
| RF TIA Feedback Resister | RF |  | 2 |  | MΩ |  | 3 |
| Theory DC Gain | DG |  | 228000 |  | V/V |  | 3 |
| Gain-Bandwidth Product | GBWP |  | 1.3 |  | MHz |  | 3 |
| Input Voltage Noise Density | eN |  | 25 |  | nV/√Hz |  | 3 |
| Output Short-Circuit Current | ISC |  | 100 |  | mA |  | 3 |
| Output Current | IO |  | 50 |  | mA |  | 3 |
| Supply Voltage | V+, V- |  |  | 7 | V |  | 3 |
| Input Voltage |  | -0.3 |  | 0.3 | V | V-, 0.3 to V+ + 0.3 (relative to supply rails) | 3 |
| Input Current |  | -10 |  | 10 | mA | Note 2 | 3 |
| Operating Temperature Range |  | -40 |  | 125 | °C |  | 3 |
| Maximum Junction Temperature | TJ |  |  | 150 | °C |  | 3 |
| Storage Temperature Range |  | -65 |  | 150 | °C |  | 3 |
| Lead Temperature |  |  |  | 260 | °C | Soldering, 10 sec | 3 |
| HBM ESD | HBM | 8 |  |  | kV | MIL-STD-883H Method 3015.8 | 3 |
| MM ESD | MM | 500 |  |  | V | JEDEC-EIA/JESD22-A115 | 3 |
| CDM ESD | CDM | 2 |  |  | kV | JEDEC-EIA/JESD22-C101E | 3 |

## CAD (KiCad official)

- Symbol: `TPA8801B-TR`
- Footprint: `Package_SO:TSSOP-14_4.4x5mm_P0.65mm`
- 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files: `tpa8801b-tr-etched.step` / `tpa8801b-tr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tpa8801b-tr.step` / `tpa8801b-tr.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [3PEAK datasheet](docs/tpa8801b-tr-datasheet.pdf) (7 pp, sha256 `0b072163d32486e8`, retrieved 2026-10-27, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/tpa8801b-tr-datasheet.pdf)