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ADUM2251ARIZ-RL

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16
Data Sheet ADuM2250/ADuM2251
ABSOLUTE MAXIMUM RATINGS
T
A
= 25°C, unless otherwise noted.
Table 8.
Parameter Rating
Storage Temperature (T
ST
) −65°C to +150°C
Ambient Operating Temperature (T
A
) −40°C to +105°C
Supply Voltages (V
DD1
, V
DD2
)
1
−0.5 V to +7.0 V
Input/Output Voltage
Side 1 (V
SDA1
, V
SCL1
)
1
−0.5 V to V
DD1
+ 0.5 V
Side 2 (V
SDA2
, V
SCL2
)
1
−0.5 V to V
DD2
+ 0.5 V
Average Output Current per Pin
2
Side 1 (I
O1
) ±18 mA
Side 2 (I
O2
) ±100 mA
Common-Mode Transients
3
−100 kV/µs to +100 kV/µs
1
All voltages are relative to their respective grounds.
2
See Figure 3 for maximum rated current values for various temperatures.
3
Refers to common-mode transients across the insulation barrier. Common-
mode transients exceeding the absolute maximum rating may cause latch-up
or permanent damage.
Stresses at or above those listed under Absolute Maximum
Ratings may cause permanent damage to the product. This is a
stress rating only; functional operation of the product at these
or any other conditions above those indicated in the operational
section of this specification is not implied. Operation beyond
the maximum operating conditions for extended periods may
affect product reliability.
ESD CAUTION
Rev. D | Page 7 of 16
ADuM2250/ADuM2251 Data Sheet
PIN CONFIGURATION AND FUNCTION DESCRIPTIONS
06670-004
NC = NO CONNECT
ADuM2250/
ADuM2251
T
O
P VIEW
(Not to Scale)
GND
1
1
NC
2
V
DD1
3
NC
4
GND
2
16
NC
15
V
DD2
14
NC
13
SD
A
1
5
SD
A
2
12
SC
L
1
6
SC
L
2
1
1
GND
1
7
NC
10
NC
8
GND
2
9
NOTES
1. PIN 1
AND PIN 7
ARE INTERNAL
L
Y
CONNECTED
T
O EACH OTHER, AND IT IS
RECOMMENDED TH
A
T BOTH PINS BE CONNECTED
T
O
A
COMMON GROUND.
2. PIN 9 AND PIN 16
ARE INTERNAL
L
Y
CONNECTED
T
O EACH OTHER,
AND IT IS
RECOMMENDED THA
T BOTH PINS BE CONNECTED
T
O
A
COMMON GROUND.
Figure 4. Pin Configuration
Table 9. ADuM2250 Pin Function Descriptions
Pin No. Mnemonic Description
1, 7 GND
1
Ground 1. Ground reference for Isolator Side 1. Pin 1 and Pin 7 are internally connected to each other, and
it is recommended that both pins be connected to a common ground.
2, 4, 8, 10,
13, 15
NC No Connect.
3
V
DD1
Supply Voltage, 3.0 V to 5.5 V.
5 SDA
1
Data Input/Output, Side 1.
6 SCL
1
Clock Input/Output, Side 1.
9, 16 GND
2
Ground 2. Isolated ground reference for Isolator Side 2. Pin 9 and Pin 16 are internally connected to each
other, and it is recommended that both pins be connected to a common ground.
11 SCL
2
Clock Input/Output, Side 2.
12 SDA
2
Data Input/Output, Side 2.
14 V
DD2
Supply Voltage, 3.0 V to 5.5 V.
Table 10. ADuM2251 Pin Function Descriptions
Pin No. Mnemonic Description
1, 7 GND
1
Ground 1. Ground reference for Isolator Side 1. Pin 1 and Pin 7 are internally connected to each other, and
it is recommended that both pins be connected to a common ground.
2, 4, 8, 10,
13, 15
NC No Connect.
3 V
DD1
Supply Voltage, 3.0 V to 5.5 V.
5 SDA
1
Data Input/Output, Side 1.
6 SCL
1
Clock Input, Side 1.
9, 16 GND
2
Ground 2. Isolated ground reference for Isolator Side 2. Pin 9 and Pin 16 are internally connected to each
other, and it is recommended that both pins be connected to a common ground.
11
SCL
2
Clock Output, Side 2.
12 SDA
2
Data Input/Output, Side 2.
14 V
DD2
Supply Voltage, 3.0 V to 5.5 V.
Rev. D | Page 8 of 16
Data Sheet ADuM2250/ADuM2251
TEST CONDITIONS
DECODE
ENCODE
ENCODE
DECODE
DECODE
ENCODE
ENCODE
DECODE
GND
1
NC
V
DD1
NC
SDA
1
SCL
1
NC
GND
1
GND
2
NC
V
DD2
NC
SDA
2
SCL
2
NC
GND
2
06670-005
8
7
5
6
4
3
2
1
12
11
13
14
15
16
R
1
C
L1
R
1
C
L1
R
2
C
L2
R
2
C
L2
10
ADuM2250
NC = NO CONNECT
9
Figure 5. Timing Test Diagram
Rev. D | Page 9 of 16
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P16

ADUM2251ARIZ-RL

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Manufacturer:
Analog Devices Inc.
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Digital Isolators Hot-Swappable Dual I2C 5kV
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