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參數(shù)資料
| 型號： | ADG412TQ |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 運(yùn)動控制電子 |
| 英文描述： | LC2MOS Precision Quad SPST Switches |
| 中文描述： | QUAD 1-CHANNEL, SGL POLE SGL THROW SWITCH, CDIP16 |
| 封裝： | CERDIP-16 |
| 文件頁數(shù)： | 6/8頁 |
| 文件大小： | 156K |
| 代理商： | ADG412TQ |
ADG411/ADG412/ADG413
REV. A
–6–
FREQUENCY – Hz
120
100
40
100
10M
1k
O
10k
100k
1M
80
60
V
DD
= +15V
V
SS
= –15V
V
L
= +5V
Figure 7. Off Isolation vs. Frequency
FREQUENCY – Hz
110
100
60100
10M
1k
C
10k
100k
1M
90
80
70
V
DD
= +15V
V
SS
= –15V
V
L
= +5V
Figure 8. Crosstalk vs. Frequency
APPLICAT ION
Figure 9 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 capaci-
tor C
H
.
Due to switch and capacitor leakage, the voltage on the hold
capacitor will decrease with time. T he ADG411/ADG412/
ADG413 minimizes this droop due to its low leakage specifica-
tions. T he droop rate is further minimized by the use of a poly-
styrene hold capacitor. T he droop rate for the circuit shown is
typically 30
μ
V/
μ
s.
A second switch, SW2, which 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 differen-
tial effect on the op amp AD711, which will minimize charge
injection effects. Pedestal error is also reduced by the compensa-
tion network R
C
and C
C
. T his compensation network also re-
duces the hold time glitch while optimizing the acquisition time.
Using the illustrated op amps and component values, the pedes-
tal error has a maximum value of 5 mV over the
±
10 V input
range. Both the acquisition and settling times are 850 ns.
+15V
–15V
2200pF
R
C
75
V
C
1000pF
C
H
2200pF
V
OUT
ADG411
ADG412
ADG413
SW2
SW1
S
S
D
D
+15V
+5V
–15V
AD845
+15V
–15V
V
IN
AD711
Figure 9. Fast, Accurate Sample-and-Hold
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADG412TQ/883B | 制造商:AD 制造商全稱:Analog Devices 功能描述:SPST Analog Switch |
| ADG413 | 制造商:AD 制造商全稱:Analog Devices 功能描述:LC2MOS Precision Quad SPST Switches |
| ADG413BN | 制造商:Analog Devices 功能描述:Analog Switch Quad SPST 16-Pin PDIP 制造商:Rochester Electronics LLC 功能描述:QUAD CMOS ANALOG SWITCH - Bulk 制造商:Analog Devices 功能描述:IC SWITCH QUAD SPST DIP16 413 |
| ADG413BNZ | 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 特色產(chǎn)品:MicroPak? 標(biāo)準(zhǔn)包裝:1 系列:- 功能:開關(guān) 電路:2 x SPST - NC 導(dǎo)通狀態(tài)電阻:500 毫歐 電壓電源:單電源 電壓 - 電源，單路/雙路(±):1.4 V ~ 4.3 V 電流 - 電源:150nA 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:8-XFDFN 供應(yīng)商設(shè)備封裝:8-XSON，SOT833-1 （1.95x1） 包裝:Digi-Reel® 其它名稱:568-5557-6 |
| ADG413BR | 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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