DG447, DG448
Vishay Siliconix
Low Power, High Voltage SPST Analog Switches
DESCRIPTION
FEATURES
The DG447, DG448 are dual supply single-pole/single-throw
(SPST) switches. On resistance is 25 W maximum and
flatness is 2.2 W max over the specified analog signal range.
These analog switches were designed to provide high
speed, low error switching of precision analog signals. The
primary application areas are in the routing and switching in
telecommunications and test equipment. Combining low
power, low leakages, low on-resistance and small physical
size, the DG477, DG448 are also ideally suited for portable
and battery powered industrial and military equipment.
The DG477 has one normally closed switch, while the
DG448 switch is normally open. They operate either from a
single + 7 V to 36 V supply or from dual ± 4.5 V to ± 20 V
supplies. They are offered in the very popular, small TSOP6
package.
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± 15 V analog signal range
On-resistance - RDS(on): 25 max.
Fast switching action - tON: 100 ns
VL logic supply not required
TTL CMOS input compatible
Rail to rail signal handling
Dual or single supply operation
Compliant to RoHS Directive 2002/95/EC
BENEFITS
• Wide dynamic range
• Low signal errors and distortion
• Break-before-make switching action
• Simple interfacing
• Reduced board space
• Improved reliability
APPLICATIONS
• Precision test equipment
• Precision instrumentation
• Communications systems
• PBX, PABX systems
• Audio equipment
• Redundant systems
• PC multimedia boards
• Hard disc drives
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG447
TRUTH TABLE
NC
1
6
COM
V-
2
5
V+
IN
3
4
GND
Logic
0
1
DG447
ON
OFF
DG448
OFF
ON
Logic "0" 0.8 V
Logic "1" 2.4 V
Device Marking:
DG447DV = G5xxx
DG448DV = G6xxx
TSOP6
DG448
NO
1
6
COM
V-
2
5
V+
IN
3
4
GND
TSOP6
Document Number: 73854
S11-1336-Rev. D, 04-Jul-11
www.vishay.com
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This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
