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ADNS2051 Datasheet(PDF) 3 Page - Agilent(Hewlett-Packard) |
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ADNS2051 Datasheet(HTML) 3 Page - Agilent(Hewlett-Packard) |
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3 / 40 page  3 Figure 3. Recommended PCB mechanical cutouts and spacing (top view). Figure 4. 2D assembly drawing of ADNS-2051 (top and side view). 2D Assembly Drawing of ADNS-2051 Figures 3 and 4, shown with HDNS-2100, HDNS-2200, and HLMP-ED80-XXXXX. Agilent Technologies provides an IGES file drawing describing the base plate molding features for lens and PCB alignment. The components interlock as they are mounted onto defined features on the base plate. The ADNS-2051 sensor is designed for mounting on a through hole PCB, looking down. There is an aperture stop and features on the package that align to the lens (see Figure 3). The HDNS-2100 lens provides optics for the imaging of the surface as well as illumination of the surface at the optimum angle. Features on the lens align it to the sensor, base plate, and clip with the LED. The lens also has a large round flange to provide a long creepage path for any ESD events that occur at the opening of the base plate (see Figure 4). The HDNS-2200 clip holds the LED in relation to the lens. The LED must be inserted into the clip and the LED’s leads formed prior to loading on the PCB. The clip interlocks the sensor to the lens, and through the lens to the alignment features on the base plate. The HLMP-ED80-XXXXX LED is recommended for illumination. If used with the bin table, sufficient illumination can be guaranteed. 13.88 (0.546) 39.39 (1.551) 1.22 (0.048) 7.50 (0.295) 5.10 (0.201) 12.60 (0.498) 1.28 (0.050) 11.38 (0.448) 30.32 (1.194) 1.27 (0.050) 2.32 (0.091) 40.53 (1.596) CLEAR ZONE 0 REF. 0 REF. 3.50 (1.38) ∅ ∅ 0.80 (0.031) RECOMMENDED (16 PLACES) DIMENSIONS IN MILLIMETERS (INCHES) Overview of Optical Mouse Sensor Assembly 19.10 (0.752) 44.29 (1.744) ESD LENS RING BASE PLATE +x +y 13.82 (0.544) 14.58 (0.574) 10.58 (0.417) 7.45 (0.293) BASE PLATE ALIGNMENT POST SENSOR PCB CLIP PLASTIC SPRING DIMENSIONS IN MILLIMETERS (INCHES). TOP VIEW SIDE VIEW |
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