description the ADNS-3120-001 solid-state optical mouse lens is designed for use with avago technologies optical mouse sensors adns-3040 and the illumination subsystem provided by the adns-2220 led assembly clip and the hlmp-eg3e-xxxxx led. together with the led, adns- 3120-001 provides the directed illumination and optical imaging necessary for proper operation of the optical mouse sensor. the lens is a precision molded optical component and should be handled with care to avoid scratching of the optical surfaces . ordering information specify part number as follows: flange part number material trim ADNS-3120-001 polycarbonate ADNS-3120-001 solid-state optical mouse lens data sheet figure 1. ADNS-3120-001 outline drawing notes: 1. dimensions in millimeters / inches 2. dimensional tolerance: 0.1mm. 3. angular tolerance 3.0 4. maximum flash: + 0.20m lens surface 1 lens surface 6 lens surface 3 lens id cavity no. lens surface 4/ lens surface 5 (reverse side) lens surface 2 lens surface 7 1.55 0.061 7.03 0.277 16.00 0.630 13.69 0.539 30.50 1.201 5.60 0.220 14.50 0.571 9.95 0.392 12.95 0.510 1.30 0.051 section a - a a a ?
figure 3. logo locations. figure 2. optical system assembly diagram mechanical assemble requirements all specifi cations reference figure 2, optical system assembly diagram. parameter symbol min. typical max. units conditions distance from object surface to lens reference plane a 2.45 2.55 2.65 mm distance from mouse sensor lid contact with lens surface to object surface b 9.43 mm sensor lid must be in contact with lens housing surface notes: 1. topside logo extends 0.2 mm above the flange surface. 2. bottomside logo extends 0.1 mm below the surface. 3. bottomside logo is either left side, as shown as above, or prism side of the lens lens design optical performance specifi cations all specifi cations are based on the mechanical assembly requirements. parameter symbol min. typical max. units conditions numerical aperture na 0.1 0.13 0.16 magnifi cation 0.85 1.00 1.15 image at nominal location design wavelength ? 639 nm object to image distance 11.00 mm lens material*index of refraction n 1.580 1.5818 1.5840 ? = 639nm depth of field dof 0.5 mm field coverage radius 1.8 mm *lens material is polycarbonate. cyanoacrylate based adhesives should not be used as they will cause lens material deformation. mouse sensor lid adns-3120 object surface b a
mounting instructions for the ADNS-3120-001 lens to the base plate. an iges format drawing fi le with design specifi cations for mouse base plate features is available. these features are useful in maintaining proper positioning and alignment of the ADNS-3120-001 when used with the avago technologies optical mouse sensor. this fi le can be obtained by contacting your local avago technologies sales representative. adns ADNS-3120-001 lens recess dimensions: 31.5 x 17.0 mm key pyramid feature: 2.50mm height max. for product information and a complete list of distributors, please go to our web site: www.avagotech.com avago, avago technologies, and the a logo are trademarks of avago technologies in the united states and other countries. data subject to change. copyright ? 2005-2011 avago technologies. all rights reserved. obsoletes 5989-3581en av02-0945en - june 15, 2011 figure 4. illustration of base plate mounting features.
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