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ISO7721BDW Datasheet(PDF) 14 Page - Texas Instruments

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Part No. ISO7721BDW
Description  High-Speed, Robust EMC, Basic Insulation Dual-Channel Digital Isolator
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Maker  TI1 [Texas Instruments]
Homepage  http://www.ti.com
Logo TI1 - Texas Instruments

ISO7721BDW Datasheet(HTML) 14 Page - Texas Instruments

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IN
OUT
VCCO
CL
See Note A
S1
GNDO
GNDI
+
±
VCM
+
±
VOH or VOL
C = 0.1 µF ±1%
C = 0.1 µF ±1%
VCCI
Pass-fail criteria:
The output must
remain stable.
VI
VCC
IN
OUT
VO
CL
See Note A
IN = 0 V (Devices without suffix F)
IN = VCC (Devices with suffix F)
VO
VI
VOL
VOH
VCC
0 V
1.7 V
50%
tDO
default high
default low
See Note B
IN
OUT
CL
See Note B
VO
VI
VOL
VOH
VCCI
0 V
tr
50
Input Generator
(See Note A)
VI
VO
tf
tPLH
tPHL
50%
50%
50%
50%
90%
10%
14
ISO7721B
SLLSEY9A – APRIL 2018 – REVISED APRIL 2019
www.ti.com
Product Folder Links: ISO7721B
Submit Documentation Feedback
Copyright © 2018–2019, Texas Instruments Incorporated
7 Parameter Measurement Information
A.
The input pulse is supplied by a generator having the following characteristics: PRR
≤ 50 kHz, 50% duty cycle, tr ≤ 3
ns, tf ≤ 3 ns, ZO = 50 Ω. At the input, 50 Ω resistor is required to terminate Input Generator signal. It is not needed in
actual application.
B.
CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 9. Switching Characteristics Test Circuit and Voltage Waveforms
A.
CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
B.
Power Supply Ramp Rate = 10 mV/ns
Figure 10. Default Output Delay Time Test Circuit and Voltage Waveforms
A.
CL = 15 pF and includes instrumentation and fixture capacitance within ±20%.
Figure 11. Common-Mode Transient Immunity Test Circuit


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