# ams OSRAM AS5311 12-bit Linear / Multipole Magnetic Encoder IC

Linear magnetic encoder IC for 2.0 mm pole-pair strips or multipole rings, 12-bit within one pole pair (488 nm steps); used for off-axis rings on large-bore joints.

- Maglev ID: ac-ams-as5311-atst
- Brand: ams OSRAM
- MPN: AS5311-ATST
- Category: actuators / Magnetic Encoders
- Origin: AT (maker HQ, factory not confirmed)
- Maker: ams OSRAM (brand, AT)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 9031.80.80.85 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- 1+: $12.72 (distributor, 2026-10-30, https://www.lcsc.com/product-detail/C22459687.html)
- 100+: $8.92 (distributor, 2026-10-30, https://www.lcsc.com/product-detail/C22459687.html)

## Specifications
- Resolution: 12-bit absolute within one 2.0 mm pole pair (488 nm/step); incremental 10-bit per pole pair
- Accuracy: INL ±5.6 µm optimum fit, ideal magnet (linear spec; no degree value stated)
- Max speed: unknown
- Interface: SSI; ABI incremental; PWM
- Form: IC, TSSOP-20 (for multipole strip or ring)
- Sensing: Hall (multipole, linear)
- Supply: 3.0–3.6 V or 4.5–5.5 V
- Bore: n/a (bore set by the multipole ring used)
- Operating temp: -40 to +125 °C

## Links
- Product: https://www.lcsc.com/product-detail/C22459687.html
- Datasheet: https://datasheet.lcsc.com/datasheet/pdf/9788161b5db0783522edae3e72c2bb8d.pdf?productCode=C22459687
- CAD: none

## Sources
- https://www.lcsc.com/product-detail/C22459687.html (price breaks, stock, package, supply range (LCSC listing / product API))
- https://datasheet.lcsc.com/datasheet/pdf/9788161b5db0783522edae3e72c2bb8d.pdf?productCode=C22459687 (datasheet: 12-bit per 2 mm pole pair, 488 nm resolution, INL ±5.6 µm, SSI/ABI/PWM)