Data Sheet ADuM4400/ADuM4401/ADuM4402
Rev. D | Page 5 of 20
ELECTRICAL CHARACTERISTICS—MIXED 5 V/3.3 V OPERATION
All typical specifications are at T
A
= 25°C, V
DD1
= 5 V, V
DD2
= 3.3 V. Minimum/maximum specifications apply over the entire recommended
operation range: 4.5 V ≤ V
DD1
≤ 5.5 V, 3.0 V ≤ V
DD2
≤ 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.
Table 7.
Parameter Symbol
A Grade B Grade C Grade
Unit Test Conditions Min Typ Max Min Typ Max Min Typ Max
SWITCHING SPECIFICATIONS
Data Rate 1 10 90 Mbps Within PWD limit
Propagation Delay t
PHL
, t
PLH
50 70 50 15 35 50 20 30 40 ns 50% input to 50% output
Pulse Width Distortion PWD 40 3 0.5 2 ns |t
PLH
− t
PHL
|
Change vs. Temperature 11 5 3 ps/°C
Pulse Width PW 1000 100 11.1 ns Within PWD limit
Propagation Delay Skew t
PSK
50 22 14 ns Between any two units
Channel Matching
Codirectional t
PSKCD
50 3 2 ns
Opposing-Direction t
PSKOD
50 6 5 ns
Table 8.
Parameter Symbol
1 Mbps—A, B, C Grades 10 Mbps—B, C Grades 90 Mbps—C Grade
Unit Test Conditions Min Typ Max Min Typ Max Min Typ Max
SUPPLY CURRENT
ADuM4400 I
DD1
2.9 3.5 9.0 11.6 72 100 mA
I
DD2
0.7 1.2 1.8 2.3 11 15 mA
ADuM4401 I
DD1
2.5 3.2 7.4 10.6 59 82 mA
I
DD2
0.9 1.5 2.5 3.3 17 24 mA
ADuM4402 I
DD1
2.0 2.8 6.0 7.5 46 62 mA
I
DD2
1.2 1.7 3.3 4.4 24 39 mA
Table 9. For All Models
Parameter Symbol Min Typ Max Unit Test Conditions
DC SPECIFICATIONS
Logic High Input Threshold V
IH
2.0
V
Logic Low Input Threshold V
IL
0.8 V
Logic High Output Voltage
OH
DDx
Ox
Ix
IxH
V
DDx
− 0.4 2.8 V I
Ox
= −4 mA, V
Ix
= V
IxH
Logic Low Output Voltage V
OL
0.0 0.1 V I
Ox
= 20 µA, V
Ix
= V
IxL
0.04 0.1 V I
Ox
= 400 µA, V
Ix
= V
IxL
0.2 0.4 V I
Ox
= 4 mA, V
Ix
= V
IxL
Input Current per Channel I
I
−10
+0.01
+10
µA
0 V ≤ V
Ix
≤ V
DDx
Supply Current per Channel
Quiescent Input Supply Current I
DDI(Q)
0.57 0.83 mA
Quiescent Output Supply Current
DDO(Q)
Dynamic Input Supply Current I
DDI(D)
0.20 mA/Mbps
Dynamic Output Supply Current I
DDO(D)
0.03 mA/Mbps
AC SPECIFICATIONS
Output Rise/Fall Time t
R
/t
F
3 ns 10% to 90%
Common-Mode Transient Immunity
1
|CM| 25 35 kV/µs V
Ix
= V
DDx
, V
CM
= 1000 V,
transient magnitude = 800 V
Output Disable Propagation Delay t
PHZ
, t
PLH
6 8 ns High/low-to-high impedance
Output Enable Propagation Delay t
PZH
, t
PZL
6 8 ns High impedance-to-high/low
Refresh Rate f
r
1.2 Mbps
1
|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining V
O
> 0.8 V
DD
. The common-mode voltage slew rates apply to both
rising and falling common-mode voltage edges.
