# TAS2143-AAAA

**TDK** · Magnetic Angle Sensors · TSSOP-8

TAS2143-AAAA from TDK, in a TSSOP-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 | -Sin | output | Negative leg of the differential sine output of the TMR bridge, which for the TAS2143-AAAA gives 3.0 Vp-p differential output at 5 V supply (Vout typ. 0.6 V/V per Vcc at 30 mT). |
| 2 | Vsin | power_in | Supply pin for the sine bridge, specified for 3 V to 5.5 V recommended operation (typ. 5 V) with a 6.5 V absolute maximum. |
| 3 | +Sin | output | Positive leg of the differential sine output of the TMR bridge, valid across the 20 mT to 80 mT nominal magnetic field range. |
| 4 | Gsin | power_in | Ground pin for the sine bridge. |
| 5 | +Cos | output | Positive leg of the differential cosine output of the TMR bridge, valid across the 20 mT to 80 mT nominal magnetic field range. |
| 6 | Vcos | power_in | Supply pin for the cosine bridge, specified for 3 V to 5.5 V recommended operation (typ. 5 V) with a 6.5 V absolute maximum. |
| 7 | -Cos | output | Negative leg of the differential cosine output of the TMR bridge, which for the TAS2143-AAAA gives 3.0 Vp-p differential output at 5 V supply (Vout typ. 0.6 V/V per Vcc at 30 mT). |
| 8 | Gcos | power_in | Ground pin for the cosine bridge. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | TDK |
| Package | TSSOP-8 |
| Category | Magnetic Sensors |
| 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 (absolute maximum) | Vcc |  |  | 6.5 | Volt |  | 5 |
| External Magnetic field (absolute maximum) | Hex |  |  | 200 | mT | 5min | 5 |
| ESD tolerance, Human Body Model | ESD HBM |  |  | 4000 | Volt |  | 5 |
| ESD tolerance, Machine Model | ESD MM |  |  | 400 | Volt |  | 5 |
| Operating Ambient Temperature (absolute maximum) | T opt | -40 |  | 150 | °C |  | 5 |
| Storage Temperature | T stg | -55 |  | 150 | °C |  | 5 |
| Reflow Temperature | T reflow |  |  | 260 | °C |  | 5 |
| Supply Voltage (recommended) | Vcc | 3 | 5 | 5.5 | Volt |  | 5 |
| Operating Ambient Temperature (recommended) | T opt | -40 | 25 | 150 | °C |  | 5 |
| External Magnetic field (recommended) | Hex | 20 |  | 80 | mT |  | 5 |
| Bridge Resistance | R bridge | 4 | 5 | 6 | k | T opt=25°C, Hex=30mT | 5 |
| Differential Output Voltage Peak to Peak per Vcc | V out | 0.54 | 0.6 | 0.67 | V/V | T opt=25°C, Hex=30mT | 5 |
| Angle Error (After compensation) |  |  |  | 0.8 | deg | T opt=-40°C to 150°C, Nominal Magnetic Range: 20mT to 80mT | 5 |
| Orthogonality |  | 87 | 90 | 93 | deg | T opt=-40°C to 150°C, 20mT to 80mT | 5 |
| Differential Output Offset (initial offset per supply voltage) | V offset | -5 |  | 5 | mV/V | per supply Voltage, 20mT to 80mT | 5 |
| Temperature Coefficient of Differential Output | TC output | -0.115 | -0.095 | -0.075 | %/K | T opt=-40°C to 150°C, 20mT to 80mT | 5 |
| Temperature Coefficient of Bridge Resistance | TC R bridge | -0.07 | -0.05 | -0.03 | %/K | T opt=-40°C to 150°C, 20mT to 80mT | 5 |
| Amplitude Synchronism ratio | k | 97 | 100 | 103 | % | T opt=25°C, Hex=30mT | 5 |
| Temperature Coefficient of Amplitude Synchronism | TCk | -0.015 |  | 0.015 | %/K | T opt=-40°C to 150°C, 20mT to 80mT | 5 |

## CAD (KiCad official)

- Symbol: `TAS2143-AAAA`
- Footprint: `Package_SO:TSSOP-8_3x3mm_P0.65mm`
- 3D model: TSSOP-8 (KiCad packages3D, STEP)
- 3D model files: `tas2143-aaaa-etched.step` / `tas2143-aaaa-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tas2143-aaaa.step` / `tas2143-aaaa.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [TDK datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588881579095019520) (7 pp, sha256 `e2344ce6c46a92ea`, retrieved 2026-10-18, 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/tas2143-aaaa-datasheet.pdf)