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Data Sheet
ADuM5240/ADuM5241/ADuM5242
SPECIFICATIONS
ELECTRICAL CHARACTERISTICS
All voltages are relative to their respective ground. All minimum/maximum specifications apply over the entire recommended operating
range, unless otherwise noted. All typical specifications are at T A = 25°C, V DD = 5.0 V, V ISO = 5.0 V, unless otherwise noted.
Table 1.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions
DC-TO-DC CONVERTER
DC-to-DC Converter Enabled
DC to 1 Mbps Data Rate
Logic signal frequency ≤ 1 MHz
Setpoint
Maximum V ISO Output Current
V ISO (SET)
I ISO (max)
4.5
10
5.2
5.5
V
mA
I ISO = 0 mA
V ISO = 4.5 V
Noise 1
Input Supply Current
250
mV p-p
At Maximum I ISO Current
No Load I ISO Current
I DD (max)
I DD (Q)
140
104
mA
mA
I ISO = 10 mA
I ISO = 0 mA
DC-to-DC Converter Disabled
Primary Side Supply Input Current 2
ADuM5240
ADuM5241
ADuM5242
I DD (DISABLE)
I DD (DISABLE)
I DD (DISABLE)
3.3
2.7
2.2
mA
mA
mA
V DD = 4.0 V
V DD = 4.0 V
V DD = 4.0 V
Secondary Side Supply Input Current 3
ADuM5240
ADuM5241
ADuM5242
I ISO (DISABLE)
I ISO (DISABLE)
I ISO (DISABLE)
2.6
2.8
3.0
mA
mA
mA
DC-to-DC Converter Enable Threshold 4
DC-to-DC Converter Disable Threshold 4
V DD (ENABLE)
V DD (DISABLE)
4.2
3.7
4.5
V
V
LOGIC SPECIFICATIONS
Logic Input Currents
I IA , I IB
?10
+0.01
+10
μA
Logic High Input Threshold
Logic Low Input Threshold
V IH
V IL
0.7 (V DD or
V ISO )
0.3 (V DD or
V ISO )
V
V
Logic High Output Voltages
V OAH , V OBH
(V DD or V ISO )
? 0.1
(V DD or V ISO )
? 0.5
(V DD or V ISO )
(V DD or V ISO )
? 0.2
V
V
I Ox = ?20 μA, V Ix ≥ V IH
I Ox = ?4 mA, V Ix ≥ V IH
Logic Low Output Voltages
V OAL , V OBL
0.0
0.0
0.1
0.4
V
V
I Ox = 20 μA, V Ix ≤ V IL
I Ox = 4 mA, V Ix ≤ V IL
Rev. B | Page 3 of 16
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