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ISO7640FM Datasheet, PDF (15/29 Pages) Texas Instruments – Low Power Quad Channels Digital Isolators
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ISO7640FM
ISO7641FM
SLLSE89D – SEPTEMBER 2011 – REVISED JULY 2012
PARAMETER MEASUREMENT INFORMATION (continued)
VI
VCC
IN = VCC
OUT
VO
CL
NOTE A
VCC
VI
2.7 V
0V
t fs
VOH
VO
50%
fs low VOL
A. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 3. Failsafe Delay Time Test Circuit and Voltage Waveforms
VCC1
C = 0.1 mF ±1%
VCC2
C = 0.1 mF ±1%
IN
S1
OUT
Pass/Fail Criterion –
the output must
remain stable.
CL
NOTE A
VOH or VOL
GND1
GND2
VTEST
A. CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 4. Common-Mode Transient Immunity Test Circuit
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