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Data Sheet
ADuM5401W/ADuM5402W/ADuM5403W
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS—5 V PRIMARY INPUT SUPPLY/5 V SECONDARY ISOLATED SUPPLY
Typical specifications are at T A = 25°C, V DD1 = V SEL = V ISO = 5 V. Minimum/maximum specifications apply over the entire recommended
operation range, which is 4.5 V ≤ V DD1 , V SEL , V ISO ≤ 5.5 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 2. DC-to-DC Converter Static Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DC-TO-DC CONVERTER SUPPLY
Setpoint
Line Regulation
Load Regulation
Output Ripple
Output Noise
V ISO
V ISO (LINE)
V ISO (LOAD)
V ISO (RIP)
V ISO (NOISE)
4.7
5.0
1
1
75
200
5.4
5
V
mV/V
%
mV p-p
mV p-p
I ISO = 0 mA
I ISO = 50 mA, V DD1 = 4.5 V to 5.5 V
I ISO = 10 mA to 90 mA
20 MHz bandwidth, C BO = 0.1 μF||10 μF, I ISO = 90 mA
C BO = 0.1 μF||10 μF, I ISO = 90 mA
Switching Frequency
PWM Frequency
f OSC
f PWM
180
625
MHz
kHz
Output Supply Current
Efficiency at I ISO (MAX)
I ISO (MAX)
100
34
mA
%
V ISO > 4.5 V
I ISO = 100 mA
I DD1 , No V ISO Load
I DD1 , Full V ISO Load
I DD1 (Q)
I DD1 (MAX)
20
290
35
mA
mA
Table 3. DC-to-DC Converter Dynamic Specifications
25 Mbps—C Grade
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
SUPPLY CURRENT
Input
I DD1
ADuM5401W
ADuM5402W
ADuM5403W
Available to Load
ADuM5401W
ADuM5402W
ADuM5403W
I ISO (LOAD)
68
71
75
87
85
83
mA
mA
mA
mA
mA
mA
No V ISO load
No V ISO load
No V ISO load
Table 4. Switching Specifications
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
SWITCHING SPECIFICATIONS
Data Rate
25
Mbps
Within PWD limit
Propagation Delay
Pulse Width Distortion
t PHL , t PLH
PWD
45
60
6
ns
ns
50% input to 50% output
|t PLH ? t PHL |
Change vs. Temperature
5
ps/°C
Pulse Width
Propagation Delay Skew
PW
t PSK
40
15
ns
ns
Within PWD limit
Between any two units
Channel Matching
Codirectional 1
Opposing Directional 2
t PSKCD
t PSKOD
6
15
ns
ns
1
2
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.
Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposing sides of the
isolation barrier.
Rev. D | Page 3 of 24
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