ATR1874 Datasheet, PDF (2/7 Pages) ATMEL Corporation – 10-channel High-speed Photo Detector IC for DVD/CD

Figure 1-1. Block Diagram
VREF
SW1
SW2
Gain
Switch
-
F2H2
+
-
F1H1
+
-
E2G2
+
-
E1G1
+
GND
H1
H2
G1
G2
B
C
A
D
F1
F2
E1
E2
V_ZERO
2.05V
-
+
VCC
0.5*∑
∑+
RF+
0.5*∑
∑-
RF-
B
-
+
C
-
+
D
-
+
A
GND
2 ATR1874 [Preliminary]
4998AS–DVD–05/07