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ADuM7640CRQZ-RL7 Datasheet(PDF) 8 Page - Analog Devices

No. de pieza ADuM7640CRQZ-RL7
Descripción Electrónicos  1 kV RMS Six-Channel Digital Isolators
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Fabricante Electrónico  AD [Analog Devices]
Página de inicio  http://www.analog.com
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ADuM7640CRQZ-RL7 Datasheet(HTML) 8 Page - Analog Devices

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ADuM7640/ADuM7641/ADuM7642/ADuM7643
Data Sheet
Rev. 0 | Page 8 of 20
ELECTRICAL CHARACTERISTICS—MIXED 3.3 V/5 V OPERATION
All typical specifications are at TA = 25°C, VDD1 = 3.3 V, VDD2 = 5 V. Minimum/maximum specifications apply over the entire recom-
mended operation range of 3.0 V ≤ VDD1 ≤ 3.6 V, 4.5 V ≤ VDD2 ≤ 5.5 V, and −40°C ≤ TA ≤ +105°C, unless otherwise noted. Switching
specifications are tested with CL = 15 pF and CMOS signal levels, unless otherwise noted.
Table 10.
A Grade
C Grade
Parameter
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Test Conditions/Comments
SWITCHING SPECIFICATIONS
Pulse Width
PW
250
40
ns
Within PWD limit
Data Rate
1
25
Mbps
Within PWD limit
Propagation Delay
tPHL, tPLH
80
29
46
60
ns
50% input to 50% output
Pulse Width Distortion
PWD
25
2
6
ns
|tPLH − tPHL|
Change vs. Temperature
5
3
ps/°C
Propagation Delay Skew1
tPSK
20
14
ns
Channel Matching
Codirectional2
tPSKCD
25
6
13
ns
Opposing Directional3
tPSKOD
30
9
18
ns
Jitter
2
2
ns
1
tPSK is the magnitude of the worst-case difference in tPHL or tPLH that is measured between units at the same operating temperature, supply voltages, and output load
within the recommended operating conditions.
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.
3
Opposing directional channel matching is the absolute value of the difference in propagation delays between any two channels with inputs on opposite sides of the
isolation barrier.
Table 11.
1 Mbps—A, C Grades
25 Mbps—C Grade
Parameter
Symbol
Min
Typ
Max
Min
Typ
Max
Unit
Test Conditions/Comments
SUPPLY CURRENT
No load
ADuM7640
IDD1
4.1
4.9
32
38
mA
IDD2
4.5
5.9
11
13
mA
ADuM7641
IDD1
3.9
4.7
27
33
mA
IDD2
4.6
5.7
15
19
mA
ADuM7642
IDD1
3.7
4.4
23
27
mA
IDD2
4.8
6.0
19
24
mA
ADuM7643
IDD1
3.5
4.2
18
21
mA
IDD2
5.0
6.2
22
29
mA
Table 12.
Parameter
Symbol
Min
Typ
Max
Unit
Test Conditions/Comments
DC SPECIFICATIONS
Input Voltage Threshold
Logic High
VIH
0.7 VDDx
V
Logic Low
VIL
0.3 VDDx
V
Output Voltages
Logic High
VOH
VDDx − 0.1
VDDx
V
IOx = −20 µA, VIx = VIxH
VDDx − 0.5
VDDx − 0.2
V
IOx = −4 mA, VIx = VIxH
Logic Low
VOL
0.0
0.1
V
IOx = 20 µA, VIx = VIxL
0.2
0.4
V
IOx = 4 mA, VIx = VIxL
Input Current per Channel
II
−10
+0.01
+10
µA
0 V ≤ VIx ≤ VDDx
AC SPECIFICATIONS
Output Rise/Fall Time
tR/tF
2.5
ns
10% to 90%
Common-Mode Transient Immunity1
|CM|
15
20
kV/µs
VIx = VDDx, VCM = 1000 V,
transient magnitude = 800 V
Refresh Rate
fr
550
kHz
DC data inputs
1
|CM| is the maximum common-mode voltage slew rate that can be sustained while maintaining VOL < 0.8 VDDLx or VOH > 0.7 × VDDIx. The common-mode voltage
slew rates apply to both rising and falling common-mode voltage edges.


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