參數(shù)資料
型號: DG428
廠商: Vishay Intertechnology,Inc.
英文描述: Single 8-Ch/Differential 4-Ch Latchable Analog Multiplexers
中文描述: 單8-Ch/Differential 4通道鎖存模擬多路復(fù)用器
文件頁數(shù): 11/11頁
文件大小: 131K
代理商: DG428
DG428/429
Vishay Siliconix
Document Number: 70063
S-52433—Rev. J, 06-Sep-99
www.vishay.com
S FaxBack 408-970-5600
5-9
TEST CIRCUITS
DG428
DG429
FIGURE 5. Transition Time
S1b
S1a – S4a, Da
S2b and S3b
Db
RS
A0
A1
50
W
WR
300
W
VO
#10 V
S4b
EN
V+
GND
V–
35 pF
–15 V
+15 V
+2.4 V
RS
S1
S2 – S7
A0
A1
A2
50
W
WR
300
W
VO
S8
"10 V
#10 V
EN
V+
GND
V–
D
35 pF
–15 V
+15 V
+2.4 V
3 V
0 V
Logic
Input
Switch
Output
VS8
VO
tTRANS
tr <20 ns
tf <20 ns
S8 ON
S1 ON
tTRANS
0 V
VS1
50%
10%
90%
FIGURE 6. Enable tON/tOFF Time
DG428
DG429
RS
EN
+2.4 V
S1
S2 – S8
A0
A1
A2
50
W
WR
300
W
VO
V+
GND
V–
D
– 5 V
35 pF
–15 V
+15 V
S1b
S1a – S4a, Da
S2b – S4b
RS
Db
A0
A1
50
W
WR
300
W
VO
EN
+2.4 V
V+
GND
V–
– 5 V
35 pF
–15 V
+15 V
Logic
Input
Switch
Output
VO
tr <20 ns
tf <20 ns
3 V
0 V
tOFF(EN)
tON(EN)
50%
90%
VO
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