DG542 VISHAY [Vishay Siliconix], DG542 Datasheet

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DG542

Manufacturer Part Number
DG542
Description
Wideband/Video T Switches
Manufacturer
VISHAY [Vishay Siliconix]
Datasheet

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The DG540/541/542 are high performance monolithic
wideband/video switches designed for switching RF, video
and digital signals. By utilizing a “T” switch configuration on
each channel, these devices achieve exceptionally low
crosstalk and high off-isolation. The crosstalk and off-isolation
of the DG540 are further improved by the introduction of extra
GND pins between signal pins.
Document Number: 70055
S-00399—Rev. G, 13-Sep-99
GND
GND
GND
IN
IN
D
V–
S
S
D
Wide Bandwidth: 500 MHz
Low Crosstalk: –85 dB
High Off-Isolation: –80 dB @ 5 MHz
“T” Switch Configuration
TTL and CMOS Logic Compatible
Fast Switching—t
Low r
1
1
1
4
4
4
10
1
2
3
4
5
6
7
8
9
DS(on)
Dual-In-Line
Top View
: 30
DG540
ON
: 45 ns
20
19
18
17
16
15
14
13
12
11
IN
D
GND
S
V+
GND
S
GND
D
IN
2
2
3
3
2
3
Wideband/Video “T” Switches
GND
GND
V–
S
S
Flat Frequency Response
High Color Fidelity
Low Insertion Loss
Improved System Performance
Reduced Board Space
Reduced Power Consumption
Improved Data Throughput
1
4
4
5
6
7
8
3
9
10
2
Top View
DG540
PLCC
11
1
12
20
To achieve TTL compatibility, low channel capacitances and
fast switching times, the DG540 family is built on the
Vishay Siliconix proprietary D/CMOS process. Each switch
conducts equally well in both directions when on.
19
13
18
17
16
15
14
GND
S
V+
GND
S
2
3
RF and Video Switching
RGB Switching
Local and Wide Area Networks
Video Routing
Fast Data Acquisition
ATE
Radar/FLR Systems
Video Multiplexing
www.vishay.com FaxBack 408-970-5600
Logic
DG540/541/542
0
1
Vishay Siliconix
Logic “0”
Logic “1”
Logic 1
0.8 V
Switch
2 V
2 V
OFF
ON
4-1

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DG542 Summary of contents

Page 1

Wideband/Video “T” Switches Wide Bandwidth: 500 MHz Low Crosstalk: –85 dB High Off-Isolation: – MHz “T” Switch Configuration TTL and CMOS Logic Compatible Fast Switching— Low DS(on) The DG540/541/542 are ...

Page 2

... Plastic DIP DG541DJ 16-Pin Narrow SOIC DG541DY DG541AP 16-Pin Sidebraze 16-Pin Sidebraze DG541AP/883, 5962-9076401MEA 16-Pin Plastic DIP DG542DJ 16-Pin Narrow SOIC DG542DY DG542AP 16-Pin Sidebraze 16-Pin Sidebraze DG542AP/883, 5962-91555201MEA DG542 Dual-In-Line and SOIC GND ...

Page 3

V+ to V– ...

Page 4

... DG540 Room – DG541 Room – MHz f 5 MHz See Figure 4 DG542 Room – Room – MHz, See Figure 6 Room 3.5 Full All Channels On or Off All Channels On or Off Room –3.2 Full ...

Page 5

... V+ Constant 125 – –5 –4 –3 V– – Negative Supply (V) –110 –100 –90 –80 –70 DG542 –60 –50 –40 –30 –20 – DG540/541/542 Vishay Siliconix vs. Temperature D(off) S(off) – ...

Page 6

... Charge Injection vs –10 – 1000 pF L –30 –40 –3 –2 – – Source Voltage (V) S Switching and Break-Before-Make Time vs. Temperature (DG542 BBM –55 – Temperature ( C) www.vishay.com FaxBack 408-970-5600 4-6 –110 – ...

Page 7

V– GND – (includes fixture and stray capacitance DS(on) + ...

Page 8

DG540/541/542 Vishay Siliconix 10 Device Description The DG540/541/542 family of wideband switches offers true bidirectional switching of high frequency analog or digital signals with minimum signal crosstalk, low insertion loss, and negligible non-linearity distortion and group delay. Built on the ...

Page 9

Power Supplies A useful feature of the DG54X family is its power supply flexibility. It can be operated from a single positive supply (V+) if required (V– connected to ground). Note that the analog signal must not exceed V– by ...

Page 10

... DG540/541/542 Vishay Siliconix Figure 8 shows a 4-channel video multiplexer using a DG540 FIGURE Video Multiplexing Using the DG540 Figure 9 shows an RGB selector switch using two DG542s Sync 1 75 Sync 2 RGB Source Select www ...

Page 11

Specifications of the products displayed herein are subject to change without notice. Vishay Intertechnology, Inc., or anyone on its behalf, assumes no responsibility or liability for any errors or inaccuracies. Information contained herein is intended to provide a product description ...

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