參數(shù)資料
型號(hào): ADUM1234
廠商: Analog Devices, Inc.
英文描述: Isolated, Precision Half-Bridge Driver, 0.1 A Output
中文描述: 隔離,精密半橋驅(qū)動(dòng)器,0.1 A輸出
文件頁數(shù): 6/12頁
文件大小: 205K
代理商: ADUM1234
ADuM1234
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
Rev. 0 | Page 6 of 12
V
IA
V
IB
1
2
V
DD1
GND
1
3
4
V
DDA
V
OA
GND
A
NC
16
15
14
13
DISABLE
5
NC
12
NC
6
V
DDB
V
OB
GND
B
11
NC
7
10
V
DD1
8
9
NC = NO CONNECT
Figure 2. Pin Configuration
ADuM1234
TOP VIEW
(Not to Scale)
0
Table 8. ADuM1234 Pin Function Descriptions
Pin No.
Mnemonic
1
V
IA
2
V
IB
3
1
, 8
1
V
DD1
4
GND
1
5
DISABLE
6, 7, 12
2
, 13
2
NC
9
GND
B
10
V
OB
11
V
DDB
14
GND
A
15
V
OA
16
V
DDA
1
Pin 3 and Pin 8 are internally connected. Connecting both pins to V
DD1
is recommended.
2
Pin 12 and Pin 13 are floating and should be left unconnected.
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.
Table 9. Truth Table (Positive Logic)
V
IA
/V
IB
Input
V
DD1
State
H
Powered
L
Powered
X
Unpowered
X
Powered
DISABLE
L
L
X
H
V
OA
/V
OB
Output
H
L
L
L
Notes
Output returns to input state within 1 μs of V
DD1
power restoration.
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