ADNS-2120 Avago Technologies US Inc., ADNS-2120 Datasheet - Page 13

• Manufacturer Part Number: ADNS-2120
• Description: SOLID STATE OPTICAL MOUSE SENSOR
• Manufacturer: Avago Technologies US Inc.

Specifications of ADNS-2120

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q2072083D

Typical Performance Characteristics
Figure 11. Mean Resolution vs. Z (White Paper)
Relationship of mouse count to distance = m (mouse count) / n (cpi)
eg: Deviation of 7 mouse count = 7/800 = 0.00875 inch ~ 0.009 inch
where m = 7, n = 800
Figure 12. Average error vs. Distance (mm)
Figure 13. Relative responsivity
13
1000
-100
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
900
800
700
600
500
400
300
200
100
1
0
0
50
45
40
35
30
25
20
15
10
5
0
400
-0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0
Largest Single Perpendicular Deviation From A Straight Line At 45 Degrees
500
Distance From Lens Reference Plane To Navigation Surface (mm)
Path length = 4 inches; Speed = 6 ips; Resolution = 800 cpi
Z-heights - mm (2.4 = Nominal Focus)
Typical Resolution vs. Z-heights
600
wavelength (nm)
Typical Path Deviation
Recommended
Operating Region
DOF
700
z
DOF
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8
800
900
1000
White Paper
Manila
Black Copy
Black Walnut
Burl Formica
Burl Formica
White Paper
Manila
Black Copy
Black Walnut