Datasheet

L9637 Block diagram and pin description
Doc ID 1765 Rev 8 3/15
1 Block diagram and pin description
1.1 Block diagram
Figure 1. Block diagram
1.2 Pin description
Figure 2. Pin connection (top view)
TX
RX
LO
GND
LI
-
+
VS
VCC
K
1,75V
-
+
RTX RLO RRX
ILI
IK
OFF
-
+
Table 2. Pin description
N. Name Function
1 RX Output for K as input
2 LO Output L comparator
3 VCC Stabilized voltage supply
4 TX Input for K as output
5 GND Common GND
6 K Bidirectional I/O
7 VS Supply voltage
8 LI Input L comparator
RX
LO
VCC
TX GND
K
VS
LI1
3
2
4
6
5
7
8