Datasheet

Data Sheet ADuM2250/ADuM2251
Rev. A | Page 3 of 16
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
DC Specifications
All voltages are relative to their respective ground. All minimum/maximum specifications apply over the entire recommended operating
range, unless otherwise noted. All typical specifications are at T
A
= 25°C, V
DD1
= 5 V, a n d V
DD2
= 5 V, unless otherwise noted.
Table 1.
Parameter Symbol Min Typ Max Unit Test Conditions
ADuM2250
Input Supply Current, Side 1, 5 V
I
DD1
2.8
5.0
mA
V
DD1
= 5 V
Input Supply Current, Side 2, 5 V I
DD2
2.7 5.0 mA V
DD2
= 5 V
Input Supply Current, Side 1, 3.3 V I
DD1
1.9 3.0 mA V
DD1
= 3.3 V
Input Supply Current, Side 2, 3.3 V I
DD2
1.7 3.0 mA V
DD2
= 3.3 V
ADuM2251
Input Supply Current, Side 1, 5 V I
DD1
2.8 6.0 mA V
DD1
= 5 V
Input Supply Current, Side 2, 5 V I
DD2
2.5 4.7 mA V
DD2
= 5 V
Input Supply Current, Side 1, 3.3 V I
DD1
1.8 3.0 mA V
DD1
= 3.3 V
Input Supply Current, Side 2, 3.3 V I
DD2
1.6 2.8 mA V
DD2
= 3.3 V
LEAKAGE CURRENTS I
ISDA1
, I
ISDA2
, I
ISCL1
, I
ISCL2
0.01 10 µA V
SDA1
= V
DD1
, V
SDA2
= V
DD2
,
V
SCL1
= V
DD1
, V
SCL2
= V
DD2
SIDE 1 LOGIC LEVELS
Logic Input Threshold
1
V
SDA1IL
, V
SCL1IL
500 700 mV
Logic Low Output Voltages V
SDA1OL
, V
SCL1OL
600 900 mV I
SDA1
= I
SCL1
= 3.0 mA
600 850 mV
I
SDA1
= I
SCL1
= 0.5 mA
Input/Output Logic Low Level Difference
2
ΔV
SDA1
, ΔV
SCL1
50 mV
SIDE 2 LOGIC LEVELS
Logic Low Input Voltage
V
SDA2IL
, V
SCL2IL
0.3 × V
DD2
V
Logic High Input Voltage V
SDA2IH
, V
SCL2IH
0.7 × V
DD2
V
Logic Low Output Voltage V
SDA2OL
, V
SCL2OL
400 mV I
SDA2
= I
SCL2
= 30 mA
1
V
IL
< 0.5 V, V
IH
> 0.7 V.
2
ΔV
S1L
= V
S1OL
– V
S1IL
. This is the minimum difference between the output logic low level and the input logic low threshold within a given component. This ensures that
there is no possibility of the part latching up the bus to which it is connected.