Datasheet

Data Sheet ADuM5240/ADuM5241/ADuM5242
Rev. B | Page 3 of 16
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 V
ISO (SET)
4.5 5.2 5.5 V I
ISO
= 0 mA
Maximum V
ISO
Output Current I
ISO (max)
10 mA V
ISO
= 4.5 V
Noise
1
250 mV p-p
Input Supply Current
At Maximum I
ISO
Current I
DD (max)
140 mA I
ISO
= 10 mA
No Load I
ISO
Current I
DD (Q)
104 mA I
ISO
= 0 mA
DC-to-DC Converter Disabled
Primary Side Supply Input Current
2
ADuM5240 I
DD (DISABLE)
3.3 mA V
DD
= 4.0 V
ADuM5241 I
DD (DISABLE)
2.7 mA V
DD
= 4.0 V
ADuM5242
I
DD (DISABLE)
2.2
mA
V
DD
= 4.0 V
Secondary Side Supply Input Current
3
ADuM5240 I
ISO (DISABLE)
2.6 mA
ADuM5241 I
ISO (DISABLE)
2.8 mA
ADuM5242 I
ISO (DISABLE)
3.0 mA
DC-to-DC Converter Enable Threshold
4
V
DD (ENABLE)
4.2 4.5 V
DC-to-DC Converter Disable Threshold
4
V
DD (DISABLE)
3.7 V
LOGIC SPECIFICATIONS
Logic Input Currents I
IA
, I
IB
−10 +0.01 +10 µA
Logic High Input Threshold V
IH
0.7 (V
DD
or
V
ISO
)
V
Logic Low Input Threshold V
IL
0.3 (V
DD
or
V
ISO
)
V
Logic High Output Voltages V
OAH
, V
OBH
(V
DD
or V
ISO
)
− 0.1
(V
DD
or V
ISO
) V I
Ox
= −20 µA, V
Ix
≥ V
IH
(V
DD
or V
ISO
)
− 0.5
(V
DD
or V
ISO
)
− 0.2
V I
Ox
= −4 mA, V
Ix
≥ V
IH
Logic Low Output Voltages V
OAL
, V
OBL
0.0 0.1 V I
Ox
= 20 µA, V
Ix
≤ V
IL
0.0 0.4 V I
Ox
= 4 mA, V
Ix
≤ V
IL
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