SGM4782 데이터 시트보기 (PDF) - Shengbang Microelectronics Co, Ltd
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SGM4782 Datasheet PDF : 11 Pages
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SGM4782
TEST CIRCUITS (Cont.)
0.5Ω, High Speed, Low Voltage
Analog Switch/Multiplexer
VA,VB
V+
A
V+
B
X0-X3
Y0-Y3
V+
ENABLE
GND
X,Y
50Ω
VOUT
35pF
V+
VA,VB
0
VX,VY
VOUT
0
50%
tD
tR<5ns
tF<5ns
90%
Test Circuit 4. Break-Before-Make Interval (tD)
CHANNEL A
SELECT
B
V+
V+ X_,Y_
VENABLE ENABLE
GND X,Y
VOUT
CL
1000pF
V+
VENABLE
0
VOUT
ΔVOUT
Q = ΔVOUT ×CL
Test Circuit 5. Charge Injection (Q)
CHANNEL A
SELECT
B
V+ 10nF
V+ X_,Y_
ENABLE
GND
X,Y
VIN
VOUT
NETWORK
ANALYZER
50Ω 50Ω
MEAS. REF.
50Ω 50Ω
OFF-ISOLATION = 20log VOUT
VIN
CROSSTALK
=
20log
VOUT
VIN
Test Circuit 6. -3dB Bandwidth, Off-Isolation and Crosstalk
7
SG Micro Corp
www.sg-micro.com
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