Changsha Purple Horn E-Commerce Co., Ltd.
| Sensing Distance | 1mm |
| Description | 1mm SMD-8P Reflective - Logic Output RoHS |
| Mfr. Part # | AEDR-8502-100 |
| Package | SMD-8P |
| Model Number | AEDR-8502-100 |
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Product Specification
| Sensing Distance | 1mm | Description | 1mm SMD-8P Reflective - Logic Output RoHS |
| Mfr. Part # | AEDR-8502-100 | Package | SMD-8P |
| Model Number | AEDR-8502-100 |
The AEDR-850X is the smallest 3-channel optical encoder utilizing reflective technology for motion control. Designed for operation between -20C and 85C, it is suitable for commercial and industrial applications. Its compact size (3.95 mm x 3.4 mm x 0.9562 mm) makes it ideal for miniature devices where space is critical. The encoder offers two-channel quadrature digital outputs and a 3rd channel index digital output, with TTL compatibility for easy integration into signal processing circuitry. It features a built-in interpolator with selectable factors (1x, 2x, 4x) and operates on a single 5V supply.
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
| Absolute Maximum Ratings | ||||||
| Storage Temperature | TS | -20 | 85 | C | ||
| Operating Temperature | TA | -20 | 85 | C | ||
| Supply Voltage | VCC | 7 | V | |||
| Output Voltage | VO | VCC | V | |||
| Recommended Operating Conditions | ||||||
| Temperature | TA | -20 | 25 | 85 | C | |
| Supply Voltage | VCC | 4.5 | 5 | 5.5 | V | Ripple < 100mVp-p |
| LED Current | ILED | 15 | mA | Recommended series resistor = 180 (1%) | ||
| Count Frequency | F | 55 | kHz | 1 x Interpolation Factor | ||
| Radial Misalignment | ER | 0.2 | mm | |||
| Tangential Misalignment | ET | 0.2 | mm | |||
| Codewheel Gap | G | 0.5 | 1.0 | 1.25 | mm | See note 3 |
| Encoding Characteristics (Codewheel of Rop @11.38 mm) | ||||||
| Parameter | Symbol | 1 X | 2 X | 4 X | Unit | Notes |
| Cycle Error | C | 18 | 22 | 36 | e | Typical values represent encoder performance at typical mounting alignment. |
| Pulse Width Error | P | 15 | 20 | 30 | e | Maximum values represent encoder performance across recommended mounting tolerance. |
| Phase Error | 9 | 15 | 18 | e | ||
| State Error | S | 10 | 15 | 25 | e | |
| Index Pulse Width (Gated 90) | PO | 90 | 90 | 90 | e | |
| Index Pulse Width (Gated 180) | PO | 180 | 180 | 180 | e | |
| Index Pulse Width (Gated 360) | PO | Not Available | 360 | 360 | e | |
| Electrical Characteristics | ||||||
| Parameter | Symbol | Min. | Typ. | Max. | Unit | Notes |
| High Level Output Voltage | VOH | 2.4 | V | IOH = -1.5 mA | ||
| Low Level Output Voltage | VOL | 0.4 | V | IOH = +1.5 mA | ||
| Output current per channel | IO | 1.5 | mA | |||
| Rise Time | tr | <100 | ns | CL = 25pF, RL = 2.7k | ||
| Fall Time | tf | <100 | ns | |||
| Codewheel Characteristics | ||||||
| Parameter | Symbol | Min. | Max. | Unit | Notes | |
| Window/bar Ratio | Ww/Wb | 0.9 | 1.1 | |||
| Window/bar Length | LW | 1.80 | mm (inches) | |||
| Specular Reflectance | Rf | 60 | % | Reflective area. | ||
| Non-reflective area | 10 | % | ||||
| Line Density | LPmm | 11.575 | 11.969 | lines/mm | ||
| Line Density | LPI | 294 | 304 | lines/inch | Recommended LPI is 294 | |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer
Year Established:
2009
Employee Number:
300~500
Ecer Certification：
Verified Supplier
Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa... Changsha Purple Horn E-Commerce Co., Ltd.. is a professional company focus on integrated circuit ic business. Purple Horn will also responsible with exporting and logistic business. there is professional factory Beijing Silk Road which focus on desigining and manufacture. Founded in 2009, Our compa...
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