ADG428 데이터 시트보기 (PDF) - Analog Devices
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ADG428 Datasheet PDF : 12 Pages
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TEST CIRCUITS
IDS
V1
S
D
VS
RON = V1/IDS
Test Circuit 1. On Resistance
ADG428/ADG429
VDD
VSS
VDD
VSS
S1
S2
S8
VS
D
GND
+0.8V
EN
A
VD
ID (OFF)
Test Circuit 3. ID (OFF)
VDD
VSS
IS (OFF) A
VS
VD
VDD
VSS
S1
S2
D
S8
+0.8V
EN
GND
Test Circuit 2. IS (OFF)
VDD
VSS
VDD
S1
VSS
D
S8
VS
2.4V
A ID (ON)
EN
GND
VD
Test Circuit 4. ID (ON)
3V
ENABLE
DRIVE – VIN
0V
tTRANSITION
50%
OUTPUT
90%
50%
VIN
tTRANSITION
90%
50⍀
2.4V
VDD
VSS
VDD
VSS
A0
S1
VS1
A1
S2–S7
A2
ADG428*
EN
S8
VS8
OUTPUT
RS
D
GND WR
1M⍀
35pF
3V
ADDRESS
DRIVE – VIN
0V
OUTPUT
REV. C
*SIMILAR CONNECTION FOR ADG429
Test Circuit 5. Switching Time of Multiplexer, tTRANSITION
VDD
VSS
80%
80%
tOPEN
VIN
50⍀
2.4V
VDD
VSS
A0
S1
VS
A1
S2–S7
A2
ADG428*
EN
S8
OUTPUT
RS
D
GND WR
1k⍀
35pF
*SIMILAR CONNECTION FOR ADG429
Test Circuit 6. Break-Before-Make Delay, tOPEN
–9–
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