DG417/418/419
Precision CMOS Analog Switches
Features
Benefits
Applications
D "15-V Analog Signal Range
D On-Resistance—rDS(on): 20 W
D Fast Switching Action—tON: 100 ns
D Ultra Low Power Requirements—PD:35 nW
D TTL and CMOS Compatible
D Wide Dynamic Range
D Precision Test Equipment
D Low Signal Errors and Distortion
D Precision Instrumentation
D Battery Powered Systems
D Sample-and-Hold Circuits
D Military Radios
D Break-Before-Make
Switching Action
D Simple Interfacing
D Reduced Board Space
D Improved Reliability
D MiniDIP and SOIC Packaging
D 44-V Supply Max Rating
D Guidance and Control
Systems
D Hard Disk Drives
Description
The DG417/418/419 monolithic CMOS analog switches voltage silicon gate (HVSG) process. Break-before-make is
were designed to provide high performance switching of guaranteed for the DG419, which is an SPDT configuration.
analog signals. Combining low power, low leakages, high An epitaxial layer prevents latchup.
speed, low on-resistance and small physical size, the
Each switch conducts equally well in both directions
when on, and blocks up to the power supply level
off.
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 The DG417 and DG418 respond to opposite control logic
performance, the DG417 series is built on Siliconix’s high levels as shown in the Truth Table.
Functional Block Diagram and Pin Configuration
Truth Table
DG417
Dual-In-Line and SOIC
Logic
DG417
DG418
0
1
ON
OFF
ON
1
2
3
4
8
7
6
5
S
NC
D
OFF
V–
IN
Logic “0” = v 0.8 V, Logic “1” = w 2.4 V
GND
V+
V
L
Top View
DG419
Dual-In-Line and SOIC
Truth Table—DG419
Logic
SW1
SW2
1
2
3
4
8
7
6
5
D
S
2
0
1
ON
OFF
ON
S
1
V–
IN
OFF
GND
V+
Logic “0” = v 0.8 V, Logic “1” = w 2.4 V
V
L
Top View
Updates to this data sheet may be obtained via facsimile by calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70051.
Siliconix
1
S-52880—Rev. D, 28-Apr-97
TEMIC [ TEMIC SEMICONDUCTORS ]
