Aura™ is a high resolution absolute encoder in an extremely small, low power SMT package. High accuracy and run speed, combined with wide alignment tolerances, deliver an optimal solution for high volume OEM designs.
Features
- Absolute position feedback
- Small, low power SMT package
- High resolution and accuracy
- High run-speed
- Wide alignment tolerances
- Scale eccentricity compensation
- Low communication latency
- Comprehensive connectivity
Specifications
| Specifications | Rotary | Linear |
| Dimensions | 9.0 x 7.0 x 1.1 mm | 9.0 x 7.0 x 1.1 mm |
| Interfaces | BiSS-C, SSI, SPI, ABZ | BiSS-C, SSI, SPI, ABZ |
| Resolution* | 18-22 bit* | ± 12.5 to 200 nm |
| Latency | < 5 μsec (BiSS-C) < 5 μsec (SPI) < 30 μsec (SSI) | < 5 μsec (BiSS-C) < 5 μsec (SPI) < 30 μsec (SSI) |
| Accuracy** | ± 0.005° | ± 2 μm |
| Repeatability | 1 LSB | 1 LSB |
| Speed | 83,721 rpm (with 18 mm scale) | 50 m/s |
| Input Voltage | 5 VDC ± 0.5 | 5 VDC ± 0.5 |
| Supply Current | 45 mA, unterminated outputs | 45 mA, unterminated outputs |
| Operating Temperature | -20 to 85° C | -20 to 85° C |
| Weight | 1.5 g | 1.5 g |
| Standard Scales*** | 18 to 63.5 mm OD | 9 to 195 mm |
* Higher resolution can be achieved by increasing averaging sample size.
** Accuracy is specified using a glass scale with OD 51.8 mm (Rotary) and 80 mm measurable length (Linear).
*** Custom rotary and linear glass scales available – contact your local representative for more information.
