ADuM5401/ADuM5402/ADuM5403/ADuM5404
TERMINOLOGY
Data Sheet
IDD1 (Q)
tPLH Propagation Delay
PLH 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.
IDD1 (Q) is the minimum operating current drawn at the VDD1
pin when there is no external load at VISO and the I/O pins are
operating below 2 Mbps, requiring no additional dynamic supply
current. IDD1 (Q) reflects the minimum current operating condition.
t
Propagation Delay Skew, tPSK
t
t
IDD1 (D)
PSK is the magnitude of the worst-case difference in tPHL and/or
PLH that is measured between units at the same operating temper-
I
DD1 (D) is the typical input supply current with all channels
simultaneously driven at a maximum data rate of 25 Mbps
with full capacitive load representing the maximum dynamic
load conditions. Resistive loads on the outputs should be
treated separately from the dynamic load.
ature, supply voltages, and output load within the recommended
operating conditions.
Channel-to-Channel Matching, (tPSKCD/tPSKOD
)
Channel-to-channel matching is the absolute value of the
difference in propagation delays between two channels when
operated with identical loads.
IDD1 (MAX)
I
DD1 (MAX) is the input current under full dynamic and VISO load
conditions.
Minimum Pulse Width
The minimum pulse width is the shortest pulse width at which
the specified pulse width distortion is guaranteed.
ISO (LOAD)
I
SO (LOAD) is the current available to the load.
tPHL Propagation Delay
Maximum Data Rate
The tPHL 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.
The maximum data rate is the fastest data rate at which the
specified pulse width distortion is guaranteed.
Rev. C | Page 20 of 28
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