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A31315LOLATR-XY-S-AR-10

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Allegro MicroSystems, LLC Position Sensor, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentsensorsa31315lolatr-xy-s-ar-10factory-2.0.0extractor-text

Verified A31315LOLATR-XY-S-AR-10

by Ray · last 2 Nov 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

2 Nov 2026RayPublished by the parts factory: tier lcsc, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: A31315LOLATR-XY-S-AR-10 · SOIC-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 70-page datasheet
  • ✓distributor: lcsc C3824753, digikey 620-A31315LOLATR-XY-S-AR-10TR-ND, mouser 250-OLATR-XY-S-AR-10
  • ✓family: SOIC-8_3.9x4.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-kwe6uy0q/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ a31315lolatr-xy-s-ar-10.kicad_sym✓ a31315lolatr-xy-s-ar-10.kicad_mod✓ a31315lolatr-xy-s-ar-10.step
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Generated by kicad-footprint-generator · KiCad file format 20260206
Name Last commit message Last updated
docs Publish 0.1.0 · Ray 2d ago
viewers a31315lolatr-xy-s-ar-10: viewers · Ray 2d ago
a31315lolatr-xy-s-ar-10-etched.glb Publish 0.1.0 · Ray 2d ago
a31315lolatr-xy-s-ar-10-etched.step a31315lolatr-xy-s-ar-10: factory component page (tier=lcsc) · Ray 2d ago
a31315lolatr-xy-s-ar-10-hero.glb a31315lolatr-xy-s-ar-10: hero GLB from the etched model (keeps the MPN mark) · Ray 2d ago
a31315lolatr-xy-s-ar-10-hero.overlay.json Publish 0.1.0 · Ray 2d ago
a31315lolatr-xy-s-ar-10.glb Publish 0.1.0 · Ray 2d ago
a31315lolatr-xy-s-ar-10.kicad_mod Publish 0.1.0 · Ray 2d ago
a31315lolatr-xy-s-ar-10.kicad_sym Publish 0.1.0 · Ray 2d ago
a31315lolatr-xy-s-ar-10.lbr Publish 0.1.0 · Ray 2d ago
a31315lolatr-xy-s-ar-10.step Publish 0.1.0 · Ray 2d ago
package.json Publish 0.1.0 · Ray 2d ago
page.json Set visibility: public · Ray 2d ago
README.md Publish 0.1.0 · Ray 2d ago
verification.json Verified: Published by the parts factory: tier lcsc, 8 pins · Ray 2d ago

A31315LOLATR-XY-S-AR-10

Allegro MicroSystems, LLC · Position Sensor · SOIC-8

A31315LOLATR-XY-S-AR-10 from Allegro MicroSystems, LLC, in a SOIC-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 VCC power_in Supply voltage; the datasheet gives a 4.5 to 5.5 V supply operating range, a forward supply voltage absolute maximum of 18 V and a reverse supply voltage of -18 V.
2 NC unconnected Not connected; connect to GND for optimal ESD performance.
3 GND power_in Ground.
4 OUT output Device output in analog ratiometric mode with VCC; forward output voltage absolute maximum is 18 V and reverse output voltage is -6 V, clamped at -10 V to GND.
5 NC unconnected Not connected; connect to GND for optimal ESD performance.
6 NC unconnected Not connected; connect to GND for optimal ESD performance.
7 NC unconnected Not connected; connect to GND for optimal ESD performance.
8 NC unconnected Not connected; connect to GND for optimal ESD performance.

Key specifications

Parameter Value
Manufacturer Allegro MicroSystems, LLC
Package SOIC-8
Category 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 VCC 4.5 5 5.5 V 8
Supply Buffer Capacitor CSUP 10 100 600 nF 8
Supply Current ICC 5 8.5 10 mA Each die 8
Ambient Operating Temperature TA -40 150 °C 8
Number of EEPROM Writes NEEPROM 100 writes TA = 25°C 8
Magnetic Flux Density /BIN/ 300 1000 G For xxx-10 parts, devices tested at /BIN/ = 300 G, operation below this value is characterized, but not specified 8
Undervoltage Detection Threshold VUVD (LOW, FALL) 3.6 4.1 V VCC falling, uvd_sel = '0' 9
Undervoltage Detection Threshold VUVD (LOW, RISE) 3.7 4.2 V VCC rising, uvd_sel = '0' 9
Undervoltage Detection Threshold VUVD (HIGH, FALL) 4.1 4.4 V VCC falling, uvd_sel = '1' 9
Undervoltage Detection Threshold VUVD (HIGH, RISE) 4.2 4.5 V VCC rising, uvd_sel = '1' 9
Overvoltage Detection Threshold VOVD (LOW, FALL) 5.6 6 V VCC falling, ovd_sel = '1' 9
Overvoltage Detection Threshold VOVD (LOW, RISE) 5.65 6.05 V VCC rising, ovd_sel = '1' 9
Overvoltage Detection Threshold VOVD (HIGH, FALL) 8.4 10.2 V VCC falling, ovd_sel = '0' 9
Overvoltage Detection Threshold VOVD (HIGH, RISE) 8.6 10.4 V VCC rising, ovd_sel = '0' 9
Power-On Reset Voltage VPOR(FALL) 2.6 2.9 V VCC falling 9
Power-On Reset Voltage VPOR(RISE) 2.8 3.1 V VCC rising 9
Power-On Time tPO 1 1.7 ms Time from VCC > VCC(MIN) until unfiltered output is settled 9
Oscillator Frequency fOSC 7.36 8 8.64 MHz 9
Angle Error (XY) ERRANG(XY) -1 1 degrees TA = 25°C 9
Angle Error (XY) ERRANG(XY) -1.2 1.2 degrees -40 ≤ TA ≤ 150°C 9
Angle Drift (XY) DRIFTAng,Temp(XY) -1.2 1.2 degrees Change in angle relative to TA = 25°C 9
Angle Drift (XY) DRIFTAng,Life(XY) -1.3 0.4 1.3 degrees Change in angle relative to pre-stress conditions 9
Channel Sensitivity Error (X,Y) ERRSens(X,Y) -1.5 1.5 % TA = 25°C 10
Channel Sensitivity Error (X,Y) ERRSens(X,Y) -3 3 % -40 ≤ TA ≤ 150°C 10
Channel Offset Error (X,Y) ERROff(X,Y) -1.5 1.5 G TA = 25°C 10
Channel Offset Error (X,Y) ERROff(X,Y) -4 4 G -40 ≤ TA ≤ 150°C 10
Channel Linearity Error (X,Y) ERRLin(X,Y) -0.3 0.3 % 100 G ≤ BIN ≤ 1000 G 10
Channel Sensitivity Error Drift (X,Y) DRIFTSens,Temp(X,Y) -2 2 % Change in sensitivity relative to TA = 25°C 10
Channel Sensitivity Error Drift (X,Y) DRIFTSens,Life(X,Y) -2.5 1.3 2.5 % Change in sensitivity relative to pre-stress conditions 10
Channel Offset Drift (X,Y) DRIFTOff,Temp(X,Y) -3.5 3.5 G Change in offset relative to TA = 25°C 10
Channel Offset Drift (X,Y) DRIFTOff,Life(X,Y) -0.9 0.25 0.9 G Change in offset relative to pre-stress conditions 10
Broken Wire Response Time tBW 500 µs Time after VCC, GND = 0.2 V, either VCC or GND wire broken, CL = 100 nF, CSUP = 100 nF 11
High-Z Leakage Ileak(Hi-Z) -10 10 µA Device in High-Z mode, output shorted to GND or VCC 11
Filter Step Response Time tRESP 396 450 µs bw_sel = 5, time to 90% response to step 11
DAC DNL DNL -0.022 0.022 %VCC VCC = 5 V 12
DAC INL INL -0.098 0.098 %VCC VCC = 5 V 12
DAC Ratiometry RAT -0.2 0.2 % VOUT = 8 to 92 %VCC 12
DAC Gain Error GainDAC -0.2 0.2 % VCC = 5 V 12
DAC Offset Error OffDAC -8 8 mV VCC = 5 V 12
Saturation Voltage VSAT(HIGH) 93 %VCC RL = 4.7 kΩ 12
Saturation Voltage VSAT(LOW) 7 %VCC RL = 4.7 kΩ 12
Saturation Voltage VSAT(HIGH) 95 %VCC RL = 10 kΩ 12
Saturation Voltage VSAT(LOW) 5 %VCC RL = 10 kΩ 12
Operating Voltage Range VOH 92 %VCC RL = 4.7 kΩ, linearity error < 0.1 % 12
Operating Voltage Range VOL 8 %VCC RL = 4.7 kΩ, linearity error < 0.1 % 12
Operating Voltage Range VOH 94 %VCC RL = 10 kΩ, linearity error < 0.1 % 12
Operating Voltage Range VOL 6 %VCC RL = 10 kΩ, linearity error < 0.1 % 12
Diagnostic Voltage High VSATDIAG(HIGH) 94 98 100 %VCC VCC = 5 V, RL = 3.3 kΩ 12
Diagnostic Voltage High VSATDIAG(HIGH) 96 98 100 %VCC VCC = 5 V, RL = 5 kΩ 12
Diagnostic Voltage High VSATDIAG(HIGH) 97 98 100 %VCC VCC = 5 V, RL = 10 kΩ 12
Diagnostic Voltage Low VSATDIAG(LOW) 0 2 6 %VCC VCC = 5 V, RL = 3.3 kΩ 12
Diagnostic Voltage Low VSATDIAG(LOW) 0 2 4 %VCC VCC = 5 V, RL = 5 kΩ 12
Diagnostic Voltage Low VSATDIAG(LOW) 0 2 3 %VCC VCC = 5 V, RL = 10 kΩ 12
Load Capacitance CL 10 150 nF ana_cap_sel = '0' 13
Load Capacitance CL 50 480 nF ana_cap_sel = '2', recommended for CL ≥ 100 nF 13
Load Capacitance CL 300 600 nF ana_cap_sel = '4', recommended for CL ≥ 400 nF 13
Load Resistance RL 4.23 kΩ Pull-up to VCC or pull-down to GND 13
Analog Response Time tRESP 600 µs Sensor output with 100 nF load 1482 Hz bandwidth, time from 90% input change to 90% output change 13
Channel Sensitivity (default target) SENS 32.125 LSB / G Target Selection Guide Part Number: XXX-10 10

CAD (KiCad official)

  • Symbol: A31315LOLATR-XY-S-AR-10
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: a31315lolatr-xy-s-ar-10-etched.step / a31315lolatr-xy-s-ar-10-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); a31315lolatr-xy-s-ar-10.step / a31315lolatr-xy-s-ar-10.glb are the bare package body.

Provenance

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

  • Datasheet: Allegro MicroSystems, LLC datasheet (70 pp, sha256 5e17bbddc669f0d8, retrieved 2026-11-02, 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