PAN3203DI Datasheet, PDF (10/13 Pages) Pixart Imaging Inc. – WIRELESS OPTICAL MOUSE SINGLE CHIP

PixArt Imaging Inc.
PAN3203DI
Wireless Optical Mouse Single Chip
4.4 PCB Layout Consideration
1. Caps for pins 8, 10, 11, 12 MUST have trace lengths LESS than 5mm.
2. The trace lengths of OSCOUT, OSCIN must less than 6mm.
3. The trace length of RFosc, RFcarrier must as short as possible.
4.5 Recommended Value for R1
4.5.1 Using Red LED
Radiometric intensity of red LED
Bin limits (mW/Sr at 20mA)
LED Bin Grade
Min.
Typ.
N
14.7
-
P
17.7
-
Q
21.2
-
Note: Tolerance for each bin will be ± 15%
Suggested R1:
Red LED Bin Grade Suggested R1 (ohm)
N
12
P
12
Q
12
Max.
17.7
21.2
25.4
4.5.2 Using IR LED
Suggested R1:
IR LED Bin Grade Suggested R1 (ohm)
TBD
0
It is not guaranteed that the performance of PAN3203DI with IR LED is as good as PAN3203DI with red LED.
PAN3203DI is designed to a very good match with red LED, and this combination has the best performance.
4.5.3 Summary
Light Source
Red LED
IR LED
LED Bin Grade
N, P, Q
TBD
VDD
2.7
1.8
R1 (ohm)
12
0
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PixArt Imaging Inc.
E-mail: [e-mail]
10
V0.1 Jan. 2006