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參數(shù)資料
| 型號： | DG643DY-T1-E3 |
| 廠商： | Vishay Siliconix |
| 文件頁數(shù)： | 1/18頁 |
| 文件大小： | 0K |
| 描述： | IC VIDEO SWITCH SPDT 16SOIC |
| 標準包裝： | 2,500 |
| 功能： | 視頻開關(guān) |
| 電路： | 2 x SPDT |
| 導(dǎo)通狀態(tài)電阻： | 15 歐姆 |
| 電壓電源： | 單/雙電源 |
| 電壓 - 電源，單路/雙路(±)： | 10 V ~ 18 V，±10 V ~ 15 V |
| 電流 - 電源： | 3.5mA |
| 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 N |
| 包裝： | 帶卷 (TR) |
Vishay Siliconix
DG641, DG642, DG643
Document Number: 70058
S11-0154-Rev. F, 31-Jan-11
www.vishay.com
1
Low On-Resistance Wideband/Video Switches
FEATURES
Wide bandwidth: 500 MHz
Low crosstalk at 5 MHz: - 85 dB
Low RDS(on): 5 , DG642
TTL logic compatible
Fast switching: tON 50 ns
Single supply compatibility
High current: 100 mA, DG642
BENEFITS
High precision
Improved frequency response
Low insertion loss
Improved system performance
Reduced board space
Low power consumption
APPLICATIONS
RF and video switching
RGB switching
Video routing
Cellular communications
ATE
Radar/FLIR systems
Satellite receivers
Programmable filters
DESCRIPTION
The
DG641,
DG642,
DG643
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, DG642, DG643 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 Vp-p when off. An epitaxial layer prevents
latchup.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
Logic “0”
0.8 V
Logic “1”
2.4 V
Logic “0”
0.8 V
Logic “1”
2.4 V
Logic “0”
0.8 V
Logic “1”
2.4 V
TRUTH TABLE (DG641)
Logic
Switch
0
OFF
1ON
DG641
IN1
IN2
D1
D2
S1
S2
V-
V+
GND
S4
S3
D4
D3
IN4
IN3
Dual-In-Line and SOIC
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top View
TRUTH TABLE (DG642)
Logic
SW1
SW2
0
OFF
ON
1ON
OFF
DG642
D2
GND
Dual-In-Line and SOIC
S2
S1
IN
D1
V+
V
-
1
2
3
4
8
7
6
5
Top View
TRUTH TABLE (DG643)
Logic
SW1, SW2
SW3, SW4
0
OFF
ON
1ON
OFF
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
Top View
IN1
IN2
D1
D2
GND
S1
S2
V
-
V+
S4
S3
GND
D4
D3
Dual-In-Line and SOIC
DG643
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