ADUM1251_15 Datasheet, PDF (3/16 Pages) Analog Devices – Hot Swappable, Dual IC Isolators

Data Sheet
ADuM1250/ADuM1251
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
DC Specifications¹
All minimum/maximum specifications apply over the entire recommended operating range, unless otherwise noted. All typical specifications
are at TA = 25°C, VDD1 = 3.3 V or 5 V, and VDD2 = 3.3 V or 5 V, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
ADuM1250
Input Supply Current, Side 1, 5 V
IDD1
2.8
Input Supply Current, Side 2, 5 V
IDD2
2.7
Input Supply Current, Side 1, 3.3 V
IDD1
1.9
Input Supply Current, Side 2, 3.3 V
IDD2
1.7
ADuM1251
Input Supply Current, Side 1, 5 V
IDD1
2.8
Input Supply Current, Side 2, 5 V
IDD2
2.5
Input Supply Current, Side 1, 3.3 V
IDD1
1.8
Input Supply Current, Side 2, 3.3 V
IDD2
1.6
LEAKAGE CURRENTS
ISDA1, ISDA2,
ISCL1, ISCL2
0.01
SIDE 1 LOGIC LEVELS
Logic Input Threshold²
VSDA1T, VSCL1T
500
Logic Low Output Voltages
VSDA1OL, VSCL1OL
600
600
Input/Output Logic Low Level Difference³ ΔVSDA1, ΔVSCL1 50
SIDE 2 LOGIC LEVELS
Logic Low Input Voltage
VSDA2IL, VSCL2IL
Logic High Input Voltage
VSDA2IH, VSCL2IH
0.7 VDD2
Logic Low Output Voltage
VSDA2OL, VSCL2OL
Max
Unit Test Conditions/Comments
5.0
mA VDD1 = 5 V
5.0
mA VDD2 = 5 V
3.0
mA VDD1 = 3.3 V
3.0
mA VDD2 = 3.3 V
6.0
mA VDD1 = 5 V
4.7
mA VDD2 = 5 V
3.0
mA VDD1 = 3.3 V
2.8
mA VDD2 = 3.3 V
10
µA
VSDA1 = VDD1, VSDA2 = VDD2,
VSCL1 = VDD1, VSCL2 = VDD2
700
mV
900
mV ISDA1 = ISCL1 = 3.0 mA
850
mV ISDA1 = ISCL1 = 0.5 mA
mV
0.3 VDD2 V
V
400
mV
ISDA2 = ISCL2 = 30 mA
1 _{All voltages are relative to their respective ground.}
2 _{VIL < 0.5 V, VIH > 0.7 V.}
3 _{ΔVS1 = VS1OL − VS1T. This is the minimum difference between the output logic low level and the input logic threshold within a given component. This ensures that there}
is no possibility of the part latching up the bus to which it is connected.
Rev. G | Page 3 of 16