ADM3054 Data Sheet
Rev. D | Page 8 of 20
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Figure 2. Pin Configuration
Table 7. Pin Function Descriptions
Pin No. Mnemonic Description
1 NC No Connect. This pin remains unconnected.
2 GND
1
Ground (Logic Side).
3 GND
1
Ground (Logic Side).
4 V
DD2SENSE
V
DD2
Voltage Sense. A low level on V
DD2SENSE
indicates that power is connected on V
DD2
. A high level on V
DD2SENSE
indicates a
loss of power on V
DD2
.
5 RxD Receiver Output Data.
6 TxD Driver Input Data.
7 V
DD1
Power Supply (Logic Side); 3.3 V or 5 V. A decoupling capacitor to GND
1
is required; a capacitor value between 0.01 µF
and 0.1 µF is recommended.
8 GND
1
Ground (Logic Side).
9 GND
2
Ground (Bus Side).
10 V
REF
Reference Voltage Output.
Low Level CAN Voltage Input/Output.
12 CANH High Level CAN Voltage Input/Output.
13 V
DD2
Power Supply (Bus Side); 5 V. A decoupling capacitor to GND
2
is required; a capacitor value of 0.1 µF is recommended.
14 NC No Connect. This pin remains unconnected.
15 NC No Connect. This pin remains unconnected.
16 GND
2
Ground (Bus Side).
NC
1
GND
1
2
GND
1
3
V
DD2SENSE
4
GND
2
16
NC
15
NC
14
V
DD2
13
RxD
5
CANH
12
TxD
6
CANL
11
V
DD1
7
V
REF
10
GND
1
8
GND
2
9
NOTES
1. NC = NO CONNECT.
ADM3054
TOP VIEW
(Not to Scale)
10274-009