ordering information specify part number as follows: flange part number material round ADNS-2120 polycarbonate trim ADNS-2120-001 polycarbonate description the ADNS-2120 and ADNS-2120-001 solid-state optical mouse lens is designed for use with avago optical mouse sensors and the illumination subsystem provided by the adns-2220-001 led assembly clip and the hlmp-ed80- xx000 led. together with the led, the ADNS-2120 and ADNS-2120-001 provide 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 . ADNS-2120 solid-state optical mouse lens data sheet
2 outline drawings ADNS-2120 ADNS-2120-001 6.00 (0.236) 8.00 (0.315) optical axis 3.00 (0.118) 14.50 0.02 (0.571 0.001) 9.95 0.02 (0.392 0.001) 12.95 0.03 (0.510 0.001) 1.15 0.02 (0.061 0.001) 7.03 0.03 (0.277 0.001) 1.30 0.03 (0.051 0.001) 2.05 (0.081) 42.00 (1.654) ? 39.50 (1.555) 38.50 (1.516) notes: 1. dimensions in millimeters (inches). 2. tolerance is 0.2 mm ( 0.79 inches) except where noted. 3. there is a flash tolerance of 0.2 mm max. on the flange. optical axis 3.00 (0.118) 14.50 0.02 (0.571 0.001) 9.95 0.02 (0.392 0.001) 12.95 0.03 (0.510 0.001) 1.55 0.02 (0.061 0.001) 7.03 0.03 (0.277 0.001) 1.30 0.03 (0.051 0.001) 2.05 (0.081) 16.00 (0.64) 30.50 (1.20) 6.00 (0.236) 8.00 (0.315) notes: 1. dimensions in millimeters (inches). 2. tolerance is 0.2 mm ( 0.79 inches) except where noted. 3. there is a flash tolerance of 0.2 mm max. on the flange.
mechanical assemble requirements all specifcations reference figure 1, optical system assembly diagram. parameter symbol min. typical max. units conditions distance from object surface a 2. 2.4 2.5 mm to lens reference plane distance from mouse sensor b 9.4 mm sensor lid must be in contact with lid contact with lens surface lens housing surface to object surface figure 1. optical system assembly diagram. figure 2. logo locations. b ADNS-2120 mouse sensor lid object surface a notes: 1. topside logo extends 0.2 mm above the flange surf ace. 2. bottomside logo extends 0.1 mm below the surf ace. 3. bottomside logo is either left side, as shown as above, or prism side of the lens. lens prism bottom side
lens design optical performance specifcations all specifcations are based on the mechanical assembly requirements. parameter symbol min. typical max. units conditions numerical aperture na 0.1 0.1 0.16 magnifcation 0.85 1.00 1.15 image at nominal location design wavelength l 69 nm object to image distance 10.85 mm lens material*index of refraction n 1.580 1.5818 1.5840 l = 69 nm 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. mounting instructions for the ADNS-2120 lens to the base plate an iges format drawing file with design specifcations for mouse base plate features is available. these features are useful in main - taining proper positioning and alignment of the ADNS-2120 when used with the avago optical mouse sensor. this fle can be obtained by contacting your local avago sales representative. figure 3. illustration of base plate mounting features. key pyramid feature: 2.50 mm height max. lens recess dimensions: ADNS-2120 430 mm dia ADNS-2120-001 31.5 x 17.0 mm note: ADNS-2120 lens has a large round fange to provide a long creepage path for any esd events that occur at the opening of the base plate. for improved esd performance, the lens fange can be sealed (i.e., glued) to the base plate. note that the lense material is polycarbonate and therefore, cyanocrylate based adhesives or other adhesives that may damage the lens should not be used. for product information and a complete list of distributors, please go to our website: www.avagotech.com avago avago technologies and the a logo are trademars of avago technologies limited in the united states and other countries. data subect to change. copyright 200-200 avago technologies limited. all rights reserved. obsoletes -123n a02-12n - may 13 200
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