DG417, DG418, DG419
Vishay Siliconix
Precision CMOS Analog Switches
DESCRIPTION
The DG417, DG418, DG419 monolithic CMOS analog
switches were designed to provide high performance
switching of analog signals. Combining low power, low
leakages, high speed, low on-resistance and small physical
size, the DG417 series is ideally suited for portable and
battery powered industrial and military applications requiring
high performance and efficient use of board space.
To achieve high-voltage ratings and superior switching
performance, the DG417 series is built on Vishay Siliconix’s
high voltage silicon gate (HVSG) process. Break-before-
make is guaranteed for the DG419, which is an SPDT
configuration. An epitaxial layer prevents latchup.
Each switch conducts equally well in both directions when
on, and blocks up to the power supply level when off.
The DG417 and DG418 respond to opposite control logic
levels as shown in the Truth Table.
FEATURES
•
•
•
•
•
•
± 15 V analog signal range
On-resistance - R
DS(on)
: 20
Fast switching action - t
ON
: 100 ns
Ultra low power requirements - P
D
: 35 nW
TTL and CMOS compatible
MiniDIP and SOIC packaging
•
44 V supply max. rating
•
44 V supply max. rating
•
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
Battery powered systems
Sample-and-hold circuits
Military radios
Guidance and control systems
Hard disk drives
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG417
Dual-In-Line and SOIC
S
NC
GND
V+
1
2
3
4
Top View
8
7
6
5
D
V-
IN
V
L
TRUTH TABLE
Logic
0
1
Logic "0"
0.8
V
Logic "1"
2.4
V
DG417
ON
OFF
DG418
OFF
ON
DG419
Dual-In-Line and SOIC
D
S
1
GND
V+
1
2
3
4
Top View
8
7
6
5
S
2
V-
IN
V
L
TRUTH TABLE
DG419
Logic
0
1
Logic "0"
0.8
V
Logic "1"
2.4
V
SW
1
ON
OFF
SW
2
OFF
ON
* Pb containing terminations are not RoHS compliant, exemptions may apply
Document Number: 70051
S10-1528-Rev. G, 19-Jul-10
www.vishay.com
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