DG9424, DG9425, DG9426
Vishay Siliconix
Low-Voltage, Dual Supply, Low R
ON
, Quad SPST Analog Switches
DESCRIPTION
The DG9424, DG9425, DG9426 are low voltage precision
monolithic quad single-pole-single-throw analog switches.
Using BiCMOS wafer fabrication technology allows the
DG9424, DG9425, DG9426 to operate on single and dual
supplies. Single supply voltage ranges from 3 to 12 V while
dual supply operation is recommended with ± 3 to ± 6 V.
Combining high speed (t
ON
: 42 ns), flat R
DS(on)
over the
analog signal range (Ω), minimal insertion lose (
-
3 dB at
190 MHz), and excellent crosstalk and off-isolation
performance, the DG9424, DG9425, DG9426 are ideally
suited for audio and video signal switching.
The DG9424 and DG9425 respond to opposite control logic
as shown in the Truth Table. The DG9426 has two normally
open and two normally closed switches.
FEATURES
• 2.7 V thru 12 V single supply or ± 3 thru ± 6 dual supply
• On-resistance - R
DS(on):
1.7
Ω
• Fast switching - t
ON
: 42 ns
- t
OFF
: 28 ns
• TTL, CMOS compatible
• Low leakage: 0.2 nA
• 2000 V ESD protection
BENEFITS
•
•
•
•
Widest dynamic range
Low signal errors and distortion
Break-before-make switching action
Simple interfacing
APPLICATIONS
•
•
•
•
•
•
Automatic test equipment
Data acquisition systems
Communication systems
ADC systems
xDSL and PBX/PABX
Audio signal routing
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG9424/DG9425
TSSOP
IN
1
COM
1
NC
1
/NO
1
V-
GND
NC
4
/NO
4
COM
4
IN
4
1
2
3
4
5
6
7
8
Top View
16
15
14
13
12
11
10
9
IN
2
COM
2
NC
2
/NO
2
V+
V
L
NC
3
/NO
3
COM
3
IN
3
TRUTH TABLE
Logic
0
1
DG9424
OFF
ON
DG9425
ON
OFF
Document Number: 71807
S09-1675-Rev. E, 31-Aug-09
www.vishay.com
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