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ADUM3472 Datasheet(PDF) 8 Page - Analog Devices

No. de pieza ADUM3472
Descripción Electrónicos  PWM Controller and Transformer Driver with Quad-Channel Isolators
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADUM3472 Datasheet(HTML) 8 Page - Analog Devices

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ADuM3470/ADuM3471/ADuM3472/ADuM3473/ADuM3474
Rev. 0 | Page 8 of 32
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
Logic High Output Voltages
VOAH, VOBH,
VOCH, VODH
VCC − 0.3, VISO − 0.3
5.0
V
IOx = −20 μA, VIx = VIxH
VCC − 0.5, VISO − 0.3
4.8
V
IOx = −4 mA, VIx = VIxH
Logic Low Output Voltages
VOAL, VOBL,
VOCL, VODL
0.0
0.1
V
IOx = 20 μA, VIx = VIxL
0.0
0.4
V
IOx = 4 mA, VIx = VIxL
AC SPECIFICATIONS
ADuM347xARWZ
Minimum Pulse Width
PW
1000
ns
CL = 15 pF, CMOS signal levels
Maximum Data Rate
1
Mbps
CL = 15 pF, CMOS signal levels
Propagation Delay
tPHL, tPLH
55
100
ns
CL = 15 pF, CMOS signal levels
Pulse Width Distortion, |tPLH − tPHL|
PWD
40
ns
CL = 15 pF, CMOS signal levels
Propagation Delay Skew
tPSK
50
ns
CL = 15 pF, CMOS signal levels
Channel-to-Channel Matching
tPSKCD/tPSKOD
50
ns
CL = 15 pF, CMOS signal levels
ADuM347xCRWZ
Minimum Pulse Width
PW
40
ns
CL = 15 pF, CMOS signal levels
Maximum Data Rate
25
Mbps
CL = 15 pF, CMOS signal levels
Propagation Delay
tPHL, tPLH
30
50
70
ns
CL = 15 pF, CMOS signal levels
Pulse Width Distortion, |tPLH − tPHL|
PWD
8
ns
CL = 15 pF, CMOS signal levels
Change vs. Temperature
5
ps/°C
CL = 15 pF, CMOS signal levels
Propagation Delay Skew
tPSK
15
ns
CL = 15 pF, CMOS signal levels
Channel-to-Channel Matching,
Codirectional Channels
tPSKCD
8
ns
CL = 15 pF, CMOS signal levels
Channel-to-Channel Matching,
Opposing Directional Channels
tPSKOD
15
ns
CL = 15 pF, CMOS signal levels
Output Rise/Fall Time (10% to 90%)
tR/tF
2.5
ns
CL = 15 pF, CMOS signal levels
Common-Mode Transient Immunity
at Logic High Output
|CMH|
25
35
kV/μs
VIx = VDD or VISO, VCM = 1000 V,
transient magnitude = 800 V
Common-Mode Transient Immunity
at Logic Low Output
|CML|
25
35
kV/μs
VIx = 0 V, V = 1000 V,
transient magnitude = 800 V
Refresh Rate
fr
1.0
Mbps
1 The contributions of supply current values for all four channels are combined at identical data rates.
2 The VISO supply current is available for external use when all data rates are below 2 Mbps. At data rates above 2 Mbps, the data I/O channels draw additional current
proportional to the data rate. Additional supply current associated with an individual channel operating at a given data rate can be calculated as described in the
section. The dynamic I/O channel load must be treated as an external load and included in the VISO power budget.
Power Consumption
onsumption
3 The power demands of the quiescent operation of the data channels was not separated from the power supply section. Efficiency includes the quiescent power
consumed by the I/O channels as part of the internal power consumption.
4 This current is available for driving external loads at the VISO output. All channels are simultaneously driven at a maximum data rate of 25 Mbps with full capacitive load
representing the maximum dynamic load conditions. Refer to the Power C
section for calculation of available current at less than the maximum data rate.


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