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TMUX7411F Datasheet(PDF) 20 Page - Texas Instruments

No. de pieza TMUX7411F
Descripción Electrónicos  TMUX741xF 짹60 V Fault-protected, 1:1 (SPST), 4-Channel Switches with 1.8-V Logic
PDF  30 Pages
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Fabricante Electrónico  TI [Texas Instruments]
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TMUX7411F Datasheet(HTML) 20 Page - Texas Instruments

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8.8 Charge Injection
Charge injection is a measure of the glitch impulse transferred from the digital input to the analog output during
switching, and is denoted by the symbol QINJ. Figure 8-8 shows the setup used to measure charge injection from
the source to drain.
VOUT
Output
VS
0 V
3 V
VSELx
QINJ = CL ×
VOUT
tr < 20 ns
tf < 20 ns
S1
GND
D1
S4
D4
SW
SW
GND
VS
GND
VS
GND
CL
GND
CL
Output
Output
VDD
VSS
VDD
VSS
GND
0.1 µF
GND
0.1 µF
SELx
VSELx
Figure 8-8. Charge-Injection Measurement Setup
8.9 Off Isolation
Off isolation is defined as the voltage at the drain pin (Dx) of the device when a 1-VRMS signal is applied to the
source pin (Sx) of an OFF switch. Figure 8-9 shows the setup used to measure off isolation.
SELx
GND
VSELx
SX
Dx
VS
VOUT
RS
SW
50Ÿ
Network Analyzer
1BB +OKH=PEKJ = 20 × .KC
8176
85
VDD
VSS
VDD
VSS
GND
0.1 µF
GND
0.1 µF
50Ÿ
Other
Sx/ Dx
pins
Figure 8-9. Off Isolation Measurement Setup
TMUX7411F, TMUX7412F, TMUX7413F
SCDS404 – MARCH 2021
www.ti.com
20
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Copyright © 2021 Texas Instruments Incorporated
Product Folder Links: TMUX7411F TMUX7412F TMUX7413F



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