PAW3102DB Datasheet, PDF (20/22 Pages) Pixart Imaging Inc. – HIGH RESOLUTION CMOS OPTICAL MOUSE SENSOR

PixArt Imaging Inc.
PAW3102DB
7.3 PCB Layout Consideration
z Caps for pins 7, 8 must have trace lengths less than 5 mm.
z The trace lengths of OSC_RES, NC must less than 6 mm.
CMOS Optical Mouse Sensor
7.4 Recommended Value for R1
z Radiometric intensity of LED
Bin limits (mW/Sr at 20 mA)
LED Bin Grade Min.
Typ.
Max.
N
14.7
17.7
P
17.7
21.2
Q
21.2
25.4
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.
Typ.
Max.
N
27
36
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.
Typ.
Max.
N
47
100
P
47
100
Q
47
100
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PixArt Imaging Inc.
E-mail: [e-mail]
V1.2, April. 2008