A cross section of the PI207MC-A4 Module is shown in Figure 1 and a block diagram in Figure 2.
DOCUMENT SURFACE
GLASS WINDOW
LIGHT PATH
MODULE HOUSE
ROD LENS
D
LE
R
BA
SENSORS
PCB
Figure 1. PI207MC-A4 Cross Section
RED
GLED
VLED
IR
GLED
IR
LED
RED
LED
IR
LED
RED
LED
IR
LED
RED
LED
IR
LED
RED
LED
IR
LED
RED
LED
IR
LED
RED
LED
IR
LED
RED
LED
IR
LED
RED
LED
ROD LENS
1 2 3 4
PHOTO SENSORS
1726
1727
1728
VN(-V)
VDD(+5)
GRD
SHIFT REGISTER
VIDEO LINE
BUFFER
VIDEO AMPL
VOUT
CP
SP
GRD
Figure 2. PI207MC-A4 Module Block Diagram
PAGE 2 OF 7 - PI207MC-A4, 11/11/03