Aura™ Series Encoders
Aura™ series encoders are high-resolution absolute encoders in an extremely small, low-power SMT package. Their 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 us for more information.
