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TMUX7462F データシート(PDF) 23 Page - Texas Instruments

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部品番号 TMUX7462F
部品情報  TMUX7462F 짹60 V Fault-Protected, Latch-Up Immune, Quad Channel Protector with Adjustable Fault Threshold and 1.8-V Logic
PDF  37 Pages
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI - Texas Instruments

TMUX7462F データシート(HTML) 23 Page - Texas Instruments

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7.8 Fault Drain Enable Time
tRESPONSE(DR) represents the delay between the voltage at the DR pin falling from a high to low signal and the
output of the drain pin reaching 90% of the fault supplies (VFP or VFN). tRESPONSE(DR) is a measure of how
quickly the internal pull-up engages in response to the DR pin. Figure 7-9 shows the setup used to measure
tRESPONSE(DR).
SW
tRESPONSE(DR)_FP
Output (VD)
0 V
VFP x 0.9
tRESPONSE(DR) = max ( tRESPONSE(DR)_FP, tRESPONSE(DR)_FN)
VFP
0 V
1.5V
0 V
VS
GND
CL
GND
Sx
GND
GND
Dx
All other
source &
drain pins
VDR
VDD VSS
VFP VFN
VDD
VSS
0.1 µF
GND
0.1 µF
GND
0.1 µF
GND
VFN
0.1 µF
GND
VFP
3 V
1.5V
3 V
VFN
VFN x 0.9
VDR
Output (VD)
tRESPONSE(DR)_FN
VDR
GND
DR
VS > VFP + VT (to measure tRECOVERY(DR)_FP) or
VS < VFN - VT (to measure tRECOVERY(DR)_FN)
Figure 7-9. Fault Drain Enable Time Measurement Setup
7.9 Inter-Channel Crosstalk
Figure 7-10 shows how the inter-channel crosstalk (XTALK(INTER)) is measured as the voltage at the source pin
(Sx) of an on-switch input, when a 1-VRMS signal is applied at the source pin of an on-switch input in a different
channel.
+JPAN F ?D=JJAH %NKOOP=HG = 20 × .KC
8176
85
GND
SX
VS
VOUT
RS
50Ÿ
Network Analyzer
50Ÿ
50Ÿ
50Ÿ
Other
Sx/ Dx
pins
SW
DX
SY
DY
VDD VSS
VFP VFN
VDD
VSS
0.1 µF
GND
0.1 µF
GND
0.1 µF
GND
VFN
0.1 µF
GND
VFP
SW
Figure 7-10. Inter-Channel Crosstalk Measurement Setup
www.ti.com
TMUX7462F
SCDS394A – MARCH 2021 – REVISED OCTOBER 2021
Copyright © 2021 Texas Instruments Incorporated
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