ADUM1234BRWZ-RL1 AD [Analog Devices], ADUM1234BRWZ-RL1 Datasheet - Page 6

• Manufacturer Part Number: ADUM1234BRWZ-RL1
• Description: Isolated, Precision Half-Bridge Driver, 0.1 A Output
• Manufacturer: AD [Analog Devices]

ADuM1234
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Table 8. ADuM1234 Pin Function Descriptions
Pin No.
1
2
3
4
5
6, 7, 12
9
10
11
14
15
16
1
2
Table 9. Truth Table (Positive Logic)
V
H
L
X
X
Pin 3 and Pin 8 are internally connected. Connecting both pins to V
Pin 12 and Pin 13 are floating and should be left unconnected.
1
IA
, 8
/V
1
IB
2
Input
, 13
2
Mnemonic
V
V
V
GND
DISABLE
NC
GND
V
V
GND
V
V
IA
IB
DD1
OB
DDB
OA
DDA
V
Powered
Powered
Unpowered
Powered
DD1
1
B
A
State
Description
Logic Input A.
Logic Input B.
Input Supply Voltage, 4.5 V to 5.5 V.
Ground Reference for Input Logic Signals.
Input Disable. Disables the isolator inputs and refresh circuits. Outputs take on default low state.
No Connect.
Ground Reference for Output B.
Output B.
Output B Supply Voltage, 12 V to 18 V.
Ground Reference for Output A.
Output A.
Output A Supply Voltage, 12 V to 18 V.
DISABLE
L
L
X
H
V
H
L
L
L
OA
/V
OB
DISABLE
Output
GND
V
V
DD1
DD1
DD1
V
V
NC
NC
Figure 2. Pin Configuration
IA
IB
is recommended.
1
Rev. 0 | Page 6 of 12
1
2
3
4
5
6
7
8
NC = NO CONNECT
ADuM1234
(Not to Scale)
TOP VIEW
Notes
Output returns to input state within 1 μs of V
16
15
14
13
12
11
10
9
V
V
GND
NC
NC
V
V
GND
DDA
OA
DDB
OB
A
B
DD1
power restoration.