ADG438 데이터 시트보기 (PDF) - Analog Devices
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ADG438 Datasheet PDF : 8 Pages
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ADG438F/ADG439F
VDD
VSS
VDD
VSS
0V
0V
VDD
VSS
ID (ON)
S1
D
A
S2
S8
VD
VDD
S1
A
S2
S8
VSS
D
VDD
VSS
0V
A2
S1
A
VS
A1 ADG438F*
A0
S8
EN
VD
D
VS
EN
+2.4V
VS
EN
+0.8V
GND
Test Circuit 4. ID (ON)
Test Circuit 5. Input Leakage Current
(with Overvoltage)
* SIMILAR CONNECTION FOR ADG439F
Test Circuit 6. Input Leakage Current
(with Power Supplies OFF)
VIN
50⍀
+2.4V
VDD
VSS
VDD
VSS
A2
S1
A1
S2 THRU S7
A0
S8
ADG438F*
EN
D
GND
VS1
VS8
RL
1M⍀
VOUT
CL
35pF
3V
ADDRESS
DRIVE (VIN)
VOUT
50%
90%
* SIMILAR CONNECTION FOR ADG439F
tTRANSITION
Test Circuit 7. Switching Time of Multiplexer, tTRANSITION
50%
90%
tTRANSITION
VDD
VSS
VIN
50⍀
+2.4V
VDD
VSS
A2
S1
A1 S2 THRU S7
A0
ADG438F*
S8
EN
D
GND
VS
RL
1k⍀
VOUT
CL
35pF
3V
ADDRESS
DRIVE (VIN)
VOUT
* SIMILAR CONNECTION FOR ADG439F
80%
80%
tOPEN
Test Circuit 8. Break-Before-Make Delay, tOPEN
VDD
VSS
3V
VDD
VSS
ENABLE
A2
S1
VS
A1
S2 THRU S8
A0
DRIVE (VIN)
0V
ADG438F*
EN
D
VO
VOUT
VIN
50⍀
GND
RL
1k⍀
CL
35pF
OUTPUT
0V
* SIMILAR CONNECTION FOR ADG439F
50%
50%
0.9VO
tOFF (EN)
0.9VO
tON (EN)
Test Circuit 9. Enable Delay, tON (EN), tOFF (EN)
REV. D
–7–
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