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參數(shù)資料
| 型號： | ADG453 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | SPST Switches(單刀單擲開關(guān)) |
| 中文描述： | SPST開關(guān)（單刀單擲開關(guān)） |
| 文件頁數(shù)： | 8/12頁 |
| 文件大小： | 125K |
| 代理商： | ADG453 |
ADG451/ADG452/ADG453
REV. A
–8–
FREQUENCY – Hz
1k
120
100
10k
100k
1M
10M
C
V
DD
=
1
15V
V
SS
= –15V
V
L
=
1
5V
R
LOAD
= 50
V
100
20
0
40
60
80
100M
Figure 9. Crosstalk vs. Frequency
200
100
10
–3.5
1
–3.0
–2.5
–2.0
–1.5
–1.0
–0.5
0
L
FREQUENCY – MHz
V
DD
=
1
15V
V
SS
= –15V
V
L
=
1
5V
Figure 10. Frequency Response with Switch On
APPLICAT ION
Figure 11 illustrates a precise, fast, sample-and-hold circuit.
An AD845 is used as the input buffer while the output
operational amplifier is an AD711. During the track mode,
SW1 is closed and the output V
OUT
follows the input signal
V
IN
. In the hold mode, SW1 is opened and the signal is
held by the hold capacitor C
H
.
ADG451/
452/453
AD845
AD711
+15V
+5V
SW2
S
S
D
D
SW1
+15V
V
IN
–15V
–15V
CH
2200pF
–15V
V
OUT
75
V
R
C
C
1000pF
+15V
2200pF
Figure 11. Fast, Accurate Sample-and-Hold Circuit
Due to switch and capacitor leakage, the voltage on the
hold capacitor will decrease with time. T he ADG451/
ADG452/ADG453 minimizes this droop due to its low
leakage specifications. T he droop rate is further minimized
by the use of a polystyrene hold capacitor. T he droop rate
for the circuit shown is typically 30
μ
V/
μ
s.
A second switch, SW2, that operates in parallel with SW1, is
included in this circuit to reduce pedestal error. Since both
switches will be at the same potential, they will have a differ-
ential effect on the op amp AD711, which will minimize
charge injection effects. Pedestal error is also reduced by the
compensation network R
C
and C
C
. T his compensation net-
work reduces the hold time glitch while optimizing the ac-
quisition time. Using the illustrated op amps and component
values, the pedestal error has a maximum value of 5 mV over
the
±
10 V input range. Both the acquisition and settling
times are 850 ns.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADG453BN | 制造商:Rochester Electronics LLC 功能描述:QUAD SPST LOW R-ON I.C. - Bulk 制造商:Analog Devices 功能描述:IC SWITCH QUAD SPST DIP16 453 |
| ADG453BN | 制造商:Analog Devices 功能描述:SEMICONDUCTORS ((NW)) |
| ADG453BNZ | 功能描述:IC SWITCH QUAD SPST 16DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:LC²MOS 標(biāo)準(zhǔn)包裝:48 系列:- 功能:開關(guān) 電路:4 x SPST - NO 導(dǎo)通狀態(tài)電阻:100 歐姆 電壓電源:單/雙電源 電壓 - 電源，單路/雙路(±):2 V ~ 12 V，±2 V ~ 6 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| ADG453BNZ1 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS 5 ?? RON SPST Switches |
| ADG453BR | 功能描述:IC SWITCH QUAD SPST 16SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 模擬開關(guān)，多路復(fù)用器，多路分解器 系列:LC²MOS 其它有關(guān)文件:STG4159 View All Specifications 標(biāo)準(zhǔn)包裝:5,000 系列:- 功能:開關(guān) 電路:1 x SPDT 導(dǎo)通狀態(tài)電阻:300 毫歐 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±1.65 V ~ 4.8 V 電流 - 電源:50nA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:7-WFBGA，F(xiàn)CBGA 供應(yīng)商設(shè)備封裝:7-覆晶 包裝:帶卷 (TR) |
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