ADUM2250_11 datasheet(3/16 Pages) AD

Part #	ADUM2250

Description	Hot-Swappable, Dual I2C Isolators, 5 kV

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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 TA = 25°C, VDD1 = 5 V, and VDD2 = 5 V, unless otherwise noted.

Table 1.

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions

ADuM2250

Input Supply Current, Side 1, 5 V

IDD1

2.8

5.0

mA

VDD1 = 5 V

Input Supply Current, Side 2, 5 V

IDD2

2.7

5.0

mA

VDD2 = 5 V

Input Supply Current, Side 1, 3.3 V

IDD1

1.9

3.0

mA

VDD1 = 3.3 V

Input Supply Current, Side 2, 3.3 V

IDD2

1.7

3.0

mA

VDD2 = 3.3 V

ADuM2251

Input Supply Current, Side 1, 5 V

IDD1

2.8

6.0

mA

VDD1 = 5 V

Input Supply Current, Side 2, 5 V

IDD2

2.5

4.7

mA

VDD2 = 5 V

Input Supply Current, Side 1, 3.3 V

IDD1

1.8

3.0

mA

VDD1 = 3.3 V

Input Supply Current, Side 2, 3.3 V

IDD2

1.6

2.8

mA

VDD2 = 3.3 V

LEAKAGE CURRENTS

IISDA1, IISDA2, IISCL1, IISCL2

0.01

10

µA

VSDA1 = VDD1, VSDA2 = VDD2,

VSCL1 = VDD1, VSCL2 = VDD2

SIDE 1 LOGIC LEVELS

Logic Input Threshold1

VSDA1IL, VSCL1IL

500

700

mV

Logic Low Output Voltages

VSDA1OL, VSCL1OL

600

900

mV

ISDA1 = ISCL1 = 3.0 mA

600

850

mV

ISDA1 = ISCL1 = 0.5 mA

Input/Output Logic Low Level Difference2

ΔVSDA1, ΔVSCL1

50

mV

SIDE 2 LOGIC LEVELS

Logic Low Input Voltage

VSDA2IL, VSCL2IL

0.3 × VDD2

V

Logic High Input Voltage

VSDA2IH, VSCL2IH

0.7 × VDD2

V

Logic Low Output Voltage

VSDA2OL, VSCL2OL

400

mV

ISDA2 = ISCL2 = 30 mA

1

VIL < 0.5 V, VIH > 0.7 V.

2

ΔVS1L = VS1OL – VS1IL. 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.

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