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- Optical Tracking Sensor
- PAT9401E1-CVBB
PAT9401E1-CVBB
- Supports single-axis tracking and rotation tracking
- Achieves a resolution of 7,110 counts/rev on a 1mm diameter stainless steel shaft
- Enables close proximity surface tracking from 0.5 to 3mm
- Built-in with 3 sleep modes with the lowest sleep current being 3uA
- SMT reflowable 8-pin LGA integrated with VCSEL LASER die
- Requires no optical lens
- Minimal package dimension: 2.8 x 2.6 x 0.8mm^3
- Ideal for digital rotary inputs on smartwatches, fine-resolution input selectors, and smart dials
| Supply Voltage (V) | VDD: 1.7~1.9 VLD: 3.0~ 3.6 |
| Interface Voltage (V) | 1.7~1.9 |
| Power Consumption (mA) | Typ. 0.6 with LD |
| Shutdown Current (μA) | Typ. 1 |
| Repeated Accuracy Error at Nominal Height | ~10% @ stainless steel |
| Communication | I2C |
| Resolution | Flat surface : up to 14,300; ɸ1.0mm shaft (rev/count): 7,110 |
| Tracking Speed | Flat surface (ips) : 8; ɸ1.0mm shaft (rpm): 300 |
| Package Type | LGA 8-pin |
| Package Size (mm) | 2.80*2.60*0.8 |
| Working Distance to Tracking Surface | cylinder surface : 0.5 ~ 3mm; flat surface : 1 ~ 30mm; |
| System Package to Surface | 0 degree |
| Light Source Wavelength (nm) | 850 |
| PA No. of Pairing Lens | No lens required |
| Paper Float Function | No |
| Integrated | Yes (VCSEL) |
| Tracking Surfaces | Glossy metal surface |
