Data Sheet

19
Figure A3. APDS-9301 Light Sensitive Area
Notes:
1. All dimensions are in millimeters
2. All package dimension tolerance in ± 0.2mm unless otherwise specified
A2: Optical Window Material
The material of the window is recommended to be poly-
carbonate. The surface finish of the plastic should be
smooth, without any texture.
The recommended plastic material for use as a window is
available from Bayer AG and Bayer Antwerp N. V. (Europe),
Bayer Corp. (USA) and Bayer Polymers Co., Ltd. (Thailand),
as shown in Table A2.
Table A2. Recommended Plastic Materials
Material number
Visible light
transmission Refractive index
Makrolon LQ2647 87% 1.587
Makrolon LQ3147 87% 1.587
Makrolon LQ3187 85% 1.587
Table A1. Recommended dimension for optical window
WD
(T+L+Z)
Flat Window
(L = 0.0 mm, T = 1.0 mm)
Flat window with Light Pipe
(D2 = 1.55mm, Z = 0.5mm, T = 1.0mm)
Z D1 D1 L
1.5 0.5 2.25
2.0 1.0 3.25
2.5 1.5 4.25
3.0 2.0 5.00 2.5 1.5
6.0 5.0 8.50 2.5 4.5
Pin 1 Marker
6
1
3
4
5
2
1.0500
1.3001
2.60
1.50
2.20
Active area