Vishay Siliconix
DG441, DG442
Document Number: 70053
S11-1066-Rev. J, 30-May-11
www.vishay.com
1
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
Quad SPST CMOS Analog Switches
DESCRIPTION
The DG441, DG442 monolithic quad analog switches are
designed to provide high speed, low error switching of analog
and audio signals. The DG441 has a normally closed
function. The DG442 has a normally open function.
Combining low on-resistance (50 , typ.) with high speed
(t
ON
150 ns, typ.), the DG441, DG442 are ideally suited for
upgrading DG201A/202 sockets. Charge injection has been
minimized on the drain for use in sample-and-hold circuits.
To achieve high voltage ratings and superior switching
performance, the DG441, DG442 are built on Vishay
Siliconix’s high-voltage silicon-gate process. An epitaxial
layer prevents latchup.
Each switch conducts equally well in both directions when
on, and blocks input voltages to the supply levels when off.
FEATURES
• Halogen-free according to IEC 61249-2-21
Definition
• Low on-resistance: 50
• Low leakage: 80 pA
• Low power consumption: 0.2 mW
• Fast switching action - t
ON
: 150 ns
• Low charge injection - Q: - 1 pC
• DG201A/DG202 upgrades
• TTL/CMOS-compatible logic
• Single supply capability
• Compliant to RoHS Directive 2002/95/EC
BENEFITS
• Less signal errors and distortion
• Reduced power supply requirements
• Faster throughput
• Improved reliability
• Reduced pedestal errors
• Simplifies retrofit
• Simple interfacing
APPLICATIONS
• Audio switching
• Battery powered systems
• Data acquisition
• Hi-Rel systems
• Sample-and-hold circuits
• Communication systems
• Automatic test equipment
• Medical instruments
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
Logic "0" 0.8 V
Logic "1" 2.4 V
DG441
DG441
Dual-In-Line and SOIC
IN
1
IN
2
D
1
D
2
S
1
S
2
V- V+
GND NC
S
4
S
3
D
4
D
3
IN
4
IN
3
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
Top View
9
S
1
NC
S
2
IN
3
V-
D
3
V+
D
4
NC
IN
4
NC
NC
GND
IN
2
NC
D
2
S
4
D
1
S
3
IN
1
Key
Top View
LCC
910111213
4
5
6
7
8
1231920
14
15
16
17
18
TRUTH TABLE
Logic DG441 DG442
0 On Off
1OffOn
