Reflective optical encoder Broadcom AEDR-8000-1K1 designed for rotary and linear movement control in compact applications
Product Overview
The AEDR-8000 Encoder series is a reflective optical encoder designed for motion sensing in various applications. It offers a direct replacement for the HEDR-8000 series, featuring a surface mount leadless package and single 5V supply with TTL compatible outputs. The encoder utilizes reflective technology for rotary and linear movement control, housing an LED light source and photo-detecting circuitry in a single package. It provides single-channel incremental and two-channel quadrature outputs for direction sensing, reducing design time. Its small size and surface mount package make it ideal for high-volume applications where space and weight are critical, such as printers, copiers, card readers, and consumer products.
Product Attributes
- Brand: AEDR
- Technology: Reflective
- Package Type: Surface mount small outline leadless package
- Certifications: Lead-free package
Technical Specifications
| Parameter | Symbol | Typical | Maximum | Unit | Notes |
|---|---|---|---|---|---|
| Operating Temperature | TA | 25 | 85 | C | |
| Supply Voltage | VCC | 5.0 | 5.5 | V | Ripple < 100 mVp-p |
| LED Current | ILED | 15 | 18 | mA | See note 1 |
| Count Frequency | f | 30 | kHz | See note 2 | |
| Radial Misalignment | ER | 0.38 | mm (in.) | (0.015) | |
| Tangential Misalignment | ET | 0.38 | mm (in.) | (0.015) | |
| Angular Misalignment | EA | 0 | 1.5 | deg. | |
| Codewheel/Strip Tilt | CT | 0 | 1 | deg. | |
| Codewheel/Strip Gap | G | 1.0 (0.04) | 2.5 (0.10) | mm (in.) | |
| Pulse Width Error | DP | 15 | 55 | e | AEDR-8010-K |
| Pulse Width Error (Ch. A, Ch. B) | DP | 15, 25 | 55, 75 | e | AEDR-8000-K, AEDR-8100-P, AEDR-8100-Q |
| Phase Error | Df | 12 | 60 | e | AEDR-8000-K |
| Phase Error | Df | 10 | 60 | e | AEDR-8100-P, AEDR-8100-Q |
| Detector Supply Current | Icc | 2.2 | 5.0 | mA | |
| High Level Output Voltage | VOH | 2.4 | V | IOH = -0.2 mA | |
| Low Level Output Voltage | VOL | 0.4 | V | IOL = 8.0 mA | |
| Rise Time | tr | 500 | ns | CL = 25 pF | |
| Fall Time | tf | 100 | ns | RL = 2.7 k | |
| Window/Bar Ratio | Ww/Wb | 0.9 | 1.1 | ||
| Window/Bar Length | LW | 1.80 (0.071) | 2.31 (0.091) | mm (inches) | |
| Specular Reflectance (Reflective area) | Rf | 60 | 85 | % | See note 1 |
| Specular Reflectance (Nonreflective area) | Rf | 10 | % | ||
| Line Density (AEDR-80X0-K) | 2.95 (75) | (lines/mm) (lines/inch) | |||
| Line Density (AEDR-8100-P) | 5.91 (150) | (lines/mm) (lines/inch) | |||
| Line Density (AEDR-8100-Q) | 7.09 (180) | (lines/mm) (lines/inch) | |||
| Optical Radius | Rop | 11 | mm | Recommended value |
Notes:
1. Refer to LED Current Limiting Resistor on page 5.
2. Count frequency = velocity (RPM) x N/60.
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