PixArt Imaging Inc.
PAW3102DB
CMOS Optical Mouse Sensor
7.3 PCB Layout Consideration
z
z
Caps for pins 7, 8 must have trace lengths less than 5 mm.
The trace lengths of OSC_RES, NC must less than 6 mm.
7.4 Recommended Value for R1
z
Radiometric intensity of LED
Bin limits (mW/Sr at 20 mA)
LED Bin Grade
Min.
14.7
17.7
21.2
Typ.
Max.
17.7
21.2
25.4
N
P
Q
Note: Tolerance for each bin will be ± 15%
z
R1 value (ohm) for external LED control, VDD = 5.0V (refer to Figure 12)
LED Bin Grade
Min.
27
Typ.
36
Max.
N
P
27
36
Q
27
36
z
R1 value (ohm) for internal LED control, VDD = 5.0V (refer to Figure 13)
LED Bin Grade
Min.
47
Typ.
100
100
100
Max.
N
P
47
Q
47
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PixArt Imaging Inc.
20
E-mail: fae_service@pixart.com.tw
V1.2, April. 2008
PIXART [ PIXART IMAGING INC. ]
