Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation
barrier.
2
Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposite sides of the
isolation barrier.
Table 5. Input and Output Characteristics
Parameter
DC SPECIFICATIONS
Logic High Input Threshold
Logic Low Input Threshold
Logic High Output Voltages
Logic Low Output Voltages
Undervoltage Lockout
Positive-Going Threshold
Negative-Going Threshold
Hysteresis
Input Currents per Channel
AC SPECIFICATIONS
Output Rise/Fall Time
Common-Mode Transient
Immunity
1
Refresh Rate
1
Symbol
V
IH
V
IL
V
OH
V
OL
UVLO
V
UV+
V
UV−
V
UVH
I
I
t
R
/t
F
|CM|
f
r
Min
0.7 × V
ISO
or 0.7 × V
DD1
Typ
Max
Unit
V
V
V
V
V
V
V
V
V
μA
ns
kV/μs
Mbps
Test Conditions/
Comments
0.3 × V
ISO
or 0.3 × V
DD1
V
DD1
− 0.3 or V
ISO
− 0.3
V
DD1
− 0.5 or V
ISO
− 0.5
5.0
4.8
0.0
0.2
2.7
2.4
0.3
+0.01
2.5
35
1.0
0.1
0.4
I
Ox
= −20 μA, V
Ix
= V
IxH
I
Ox
= −4 mA, V
Ix
= V
IxH
I
Ox
= 20 μA, V
Ix
= V
IxL
I
Ox
= 4 mA, V
Ix
= V
IxL
V
DD1
, V
DDL
, V
ISO
supplies
−20
+20
0 V ≤ V
Ix
≤ V
DDx
10% to 90%
V
Ix
= V
DD1
or V
ISO
, V
CM
= 1000 V,
transient magnitude = 800 V
25
|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V
O
> 0.7 × V
DD1
or 0.7 × V
ISO
for a high input or V
O
< 0.3 × V
DD1
or 0.3 × V
ISO
for a low
input. The common-mode voltage slew rates apply to both rising and falling common-mode voltage edges.
Rev. A | Page 4 of 28
Data Sheet
ADuM6400/ADuM6401/ADuM6402/ADuM6403/ADuM6404
ELECTRICAL CHARACTERISTICS—3.3 V PRIMARY INPUT SUPPLY/3.3 V SECONDARY ISOLATED SUPPLY
Typical specifications are at T
A
= 25°C, V
DD1
= V
ISO
= 3.3 V, V
SEL
= GND
ISO
. Minimum/maximum specifications apply over the entire
recommended operation range, which is 3.0 V ≤ V
DD1
, V
SEL
, V
ISO
≤ 3.6 V, and −40°C ≤ T
A
≤ +105°C, unless otherwise noted. Switching
specifications are tested with C
L
= 15 pF and CMOS signal levels, unless otherwise noted.
Codirectional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on the same side of the isolation
barrier.
2
Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposite sides of the
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