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參數資料
| 型號： | ADG751 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | CMOS, Low Voltage RF/Video, SPST Switch |
| 中文描述： | 的CMOS低電壓射頻/視頻，聚苯乙烯開關 |
| 文件頁數： | 8/10頁 |
| 文件大小： | 120K |
| 代理商： | ADG751 |
REV. 0
ADG751
–8–
GENERAL DESCRIPTION
The ADG751 is an SPST switch constructed using switches in a
T configuration to obtain high “OFF” isolation while maintain-
ing good frequency response in the “ON” condition.
Figure 12 shows the T-switch configuration. While the switch is
in the OFF state, the shunt switch is closed and the two series
switches are open. The closed shunt switch provides a signal
path to ground for any of the unwanted signals that find their
way through the off capacitances of the series’ MOS devices.
This results in improved isolation between the input and output
than with an ordinary series switch. When the switch is in the
ON condition, the shunt switch is open and the signal path is
through the two series switches which are now closed.
D
IN
S
SERIES
SHUNT
Figure 12. Basic T-Switch Configuration
LAYOUT CONSIDERATIONS
Where accurate high frequency operation is important, careful
consideration should be given to the printed circuit board layout
and to grounding. Wire wrap boards, prototype boards and
sockets are not recommended because of their high parasitic
inductance and capacitance. The part should be soldered di-
rectly to a printed circuit board. A ground plane should cover all
unused areas of the component side of the board to provide a
low impedance path to ground. Removing the ground planes
from the area around the part reduces stray capacitance.
Good decoupling is important in achieving optimum perfor-
mance. V
DD
should be decoupled with a 0.1
μ
F surface mount
capacitor to ground mounted as close as possible to the device
itself.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ADG751ARM | 制造商:Analog Devices 功能描述:Analog Switch Single SPST 8-Pin MSOP 制造商:Rochester Electronics LLC 功能描述:SINGLE SPST T-SWITCH I.C - Bulk |
| ADG751ARM-REEL | 制造商:Analog Devices 功能描述:Analog Switch Single SPST 8-Pin MSOP T/R 制造商:Rochester Electronics LLC 功能描述:SINGLE SPST T-SWITCH I.C - Tape and Reel |
| ADG751ARM-REEL7 | 功能描述:IC VIDEO SWITCH SPST 8MSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 模擬開關，多路復用器，多路分解器 系列:- 標準包裝:48 系列:- 功能:開關 電路:4 x SPST - NO 導通狀態電阻: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） 供應商設備封裝:16-SOIC 包裝:管件 |
| ADG751ARMZ | 功能描述:IC VIDEO SWITCH SPST 8MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關，多路復用器，多路分解器 系列:- 應用說明:Ultrasound Imaging Systems Application Note 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:250 系列:- 功能:開關 電路:單刀單擲 導通狀態電阻:48 歐姆 電壓電源:單電源 電壓 - 電源，單路/雙路(±):2.7 V ~ 5.5 V 電流 - 電源:5µA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:48-LQFP 供應商設備封裝:48-LQFP（7x7） 包裝:托盤 |
| ADG751ARMZ-REEL | 功能描述:IC VIDEO SWITCH SPST 8MSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 模擬開關，多路復用器，多路分解器 系列:- 標準包裝:1,000 系列:- 功能:多路復用器 電路:1 x 4:1 導通狀態電阻:- 電壓電源:雙電源 電壓 - 電源，單路/雙路(±):±5V 電流 - 電源:7mA 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） 供應商設備封裝:16-SOIC 包裝:帶卷 (TR) |
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