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MFG:MAXIM
Part Number: DG643
MFG: MAXIM
Description: The DG641/642/643 are high performance monolithic video switches designed for switching wide bandwidth analog and di...
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DG643
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Suppliers
DataSheet
General Description
DG643 General Description
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 Vp-p when off. An epitaxial layer prevents latchup.
DG643 Maximum Ratings
V+ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . 0.3 V to +21 V
V+ to V . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . 0.3 V to +21 V
V to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 V to +0.3 V
Digital Inputs .. . . . . . . ... . . . ... . . . . . . . (V) 0.3 V to (V+) + 0.3 V
or 20 mA, whichever occurs first
VS, VD . . . . . . . . . . . . . . . . . . . . . . . .. . . (V) 0.3 V to (V) + 14 V
or 20 mA, whichever occurs first
Current (any terminal) Continuous . . . . . . . . . . . . . . . . . . . . . 20 mA
Continuous Current S or D: DG641/643 . . . . . . . . . . . . . . . . . . 75 mA
DG642 . . . . . . . . . . . . . . . . . . . . . 100 mA
Current, S or D (Pulsed 1 ms, 10% duty cycle max)
DG641/643 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 mA
DG642 . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300 mA
Storage Temperature . . . . . . . . . . . . . . . . . . . . .. . . . . . . 65 to 125
Power Dissipation (Package)b
8-Pin Plastic DIP and Narrow SOICc . . . . . . . . . . . . . . . . . . . . . 300 mW
16-Pin Plastic DIPd . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . 470 mW
16-Pin Narrow SOICe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600 mW
Notes:
a. Signals on SX, DX, or INX exceeding V+ or V will be clamped by internal diodes. Limit forward diode current to maximum current ratings.
b. Derate 7.6 mW/ above 75
c. Derate 6 mW/ above 75
d. Derate 80 mW/ above 75
DG643 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
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
DG643 Typical Application
RF and Video Switching
RGB Switching
Video Routing
Cellular Communications
ATE
Radar/FLIR Systems
Satellite Receivers
Programmable Filters
RGB Switching
Video Routing
Cellular Communications
ATE
Radar/FLIR Systems
Satellite Receivers
Programmable Filters
DG643 Connection Diagram
DG643
PDF/DataSheet Download
- Datasheet: DG643
- File Size: 106470 KB
- Manufacturer: VISAY [Vishay Siliconix]
- Click here to Download
- ·DG611
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- ·DG611AZ/883
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- ·DG612AK/883
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DG643 Relative Products
DG642
The DG641/DG642/643 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-resi...
DG641
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-resist...
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