ADuM5241ARZ datasheet(4/16 Pages) AD

Part #	ADuM5241ARZ

Description	Dual-Channel Isolators with isoPower Integrated DC-to-DC Converter, 50 mW

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ADuM5240/ADuM5241/ADuM5242

Data Sheet

Rev. B | Page 4 of 16

Parameter

Symbol

Min

Typ

Max

Unit

Test Conditions

AC SPECIFICATIONS

Minimum Pulse Width5

PW

100

ns

C

L = 15 pF, CMOS signal levels

Maximum Data Rate6

1

Mbps

C

L = 15 pF, CMOS signal levels

Propagation Delay7

t

PHL, tPLH

25

70

ns

C

L = 15 pF, CMOS signal levels

Pulse Width Distortion, |t

PLH − tPHL|

8

PWD

3

ns

C

L = 15 pF, CMOS signal levels

Propagation Delay Skew8

t

PSK

45

ns

C

L = 15 pF, CMOS signal levels

Channel-to-Channel Matching,

Codirectional Channels9

t

PSKCD

3

ns

C

L = 15 pF, CMOS signal levels

Channel-to-Channel Matching,

Opposing-Directional Channels9

t

PSKCD

15

ns

C

L = 15 pF, CMOS signal levels

Output Rise/Fall Time (10% to 90%)

t

R/tF

2.5

ns

C

L = 15 pF, CMOS signal levels

Common-Mode Transient

Immunity at Logic High Output

|CM

H|

25

35

kV/µs

V

Ix = VDD, VISO, VCM = 1000 V,

transient magnitude = 800 V

Common-Mode Transient

Immunity at Logic Low Output

|CM

L|

25

35

kV/µs

V

Ix = 0 V, VCM = 1000 V,

transient magnitude = 800 V

Refresh Frequency

f

r

1.0

MHz

Switching Frequency

f

OSC

300

MHz

1 Peak noise occurs at frequency corresponding to the refresh frequency (see the PCB Layout section).

2 I

DD (DISABLE) supply current values are specified with no load present on the digital outputs.

3 I

ISO (DISABLE) supply current values are specified with no load present on the digital outputs and power sourced by an external supply.

4 Enable/disable threshold is the V

DD voltage at which the internal dc-to-dc converter is enabled/disabled.

5 The minimum pulse width is the shortest pulse width at which the specified pulse width distortion is guaranteed.

6 The maximum data rate is the fastest data rate at which the specified pulse width distortion and V

ISO supply voltage is guaranteed.

7 t

PHL propagation delay is measured from the 50% level of the falling edge of the VIx signal to the 50% level of the falling edge of the VOx signal. tPLH propagation delay is

measured from the 50% level of the rising edge of the VIx signal to the 50% level of the rising edge of the VOx signal.

8 t

PSK is the magnitude of the worst-case difference in tPHL and/or tPLH that is measured between units at the same operating temperature, supply voltages, and output

load within the recommended operating conditions.

9 Channel-to-channel matching is the absolute value of the difference in propagation delays between the two channels when operated with identical loads.

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