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參數(shù)資料
| 型號： | DG643DY |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Low On-Resistance Wideband/Video Switches |
| 中文描述： | 低導通電阻寬帶/視頻開關 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 103K |
| 代理商： | DG643DY |
DG641/642/643
Vishay Siliconix
Document Number: 70058
S-52433—Rev. E, 06-Sep-99
www.vishay.com FaxBack 408-970-5600
4-1
Low On-Resistance Wideband/Video Switches
Wide Bandwidth: 500 MHz
Low Crosstalk at 5 MHz: –85 dB
Low r
DS(on)
: 5
TTL Logic Compatible
Fast Switching: t
ON
50 ns
Single Supply Compatibility
High Current: 100 mA, DG642
, DG642
High Precision
Improved Frequency Response
Low Insertion Loss
Improved System Performance
Reduced Board Space
Low Power Consumption
RF and Video Switching
RGB Switching
Video Routing
Cellular Communications
ATE
Radar/FLIR Systems
Satellite Receivers
Programmable Filters
The DG641/642/643 are high performance monolithic video
switches designed for switching wide bandwidth analog and
digital signals. DG641 is a quad SPST, DG642 is a single
SPDT, and DG643 is a dual SPDT function. These devices
have exceptionally low on-resistances (5 typ—DG642), low
capacitance and high current handling capability.
To achieve TTL compatibility, low channel capacitances and
fast switching times, the DG641/642/643 are built on the
Vishay Siliconix proprietary D/CMOS process. Each switch
conducts equally well in both directions when on, and blocks
up to 14 V
p-p
when off. An epitaxial layer prevents latchup.
SW
1
, SW
2
OFF
ON
DG641
IN
1
IN
2
D
1
D
2
S
1
S
2
V–
V+
GND
GND
S
4
S
3
D
4
D
3
IN
4
IN
3
Dual-In-Line and SOIC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top View
Logic “0”
Logic “1”
0.8 V
2.4 V
Logic
Switch
0
1
OFF
ON
Logic “0”
Logic “1”
0.8 V
2.4 V
Logic
SW
2
0
1
ON
OFF
Logic “0”
Logic “1”
0.8 V
2.4 V
Logic
0
1
DG642
D
2
GND
Dual-In-Line and SOIC
S
2
S
1
IN
D
1
V+
V–
1
2
3
4
8
7
6
5
Top View
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top View
IN
1
IN
2
D
1
D
2
GND
GND
S
1
S
2
V–
V+
S
4
S
3
GND
GND
D
4
D
3
Dual-In-Line and SOIC
DG643
SW
1
OFF
ON
SW
3
, SW
4
ON
OFF
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PDF描述 |
|---|---|
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| DG884AM883 | 8 x 4 Wideband Video Crosspoint Array |
| DG884 | 8 x 4 Wideband Video Crosspoint Array(8 x 4寬帶視頻交叉開關) |
| DG894 | Component Video Selector(用于視頻信號轉換的視頻選擇器) |
| DG894 | Component Video Selector |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DG643DY-E3 | 功能描述:視頻開關 IC SPDT Analog Switch RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| DG643DY-T1 | 功能描述:多路器開關 IC Wideband Dual SPDT RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| DG643DY-T1-E3 | 功能描述:視頻開關 IC Wideband Dual SPDT RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| DG646BH | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:GTO Thyristors - Disc / Puk Devices |
| DG646BH25 | 制造商:Dynex Semiconductor 功能描述:GTO THYRISTOR |
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