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PDF DG408 Data sheet ( Hoja de datos )
| Número de pieza | DG408 | |
| Descripción | 8-Ch/Dual 4-Ch High-Performance CMOS Analog Multiplexers | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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DG408, DG409
Vishay Siliconix
8-Ch/Dual 4-Ch High-Performance CMOS Analog Multiplexers
DESCRIPTION
The DG408 is an 8 channel single-ended analog multiplexer
designed to connect one of eight inputs to a common output
as determined by a 3-bit binary address (A0, A1, A2). The
DG409 is a dual 4 channel differential analog multiplexer
designed to connect one of four differential inputs to a
common dual output as determined by its 2-bit binary
address (A0, A1). Break-before-make switching action
protects against momentary crosstalk between adjacent
channels.
An on channel conducts current equally well in both
directions. In the off state each channel blocks voltages up
to the power supply rails. An enable (EN) function allows the
user to reset the multiplexer/demultiplexer to all switches off
for stacking several devices. All control inputs, address (Ax)
and enable (EN) are TTL compatible over the full specified
operating temperature range.
Applications for the DG408, DG409 include high speed data
acquisition, audio signal switching and routing, ATE
systems, and avionics. High performance and low power
dissipation make them ideal for battery operated and
remote instrumentation applications.
Designed in the 44 V silicon-gate CMOS process, the
absolute maximum voltage rating is extended to 44 V.
Additionally, single supply operation is also allowed. An
epitaxial layer prevents latchup.
For additional information please see Technical Article
TA201.
FEATURES
• Low on-resistance - RDS(on): 100
• Low charge injection - Q: 20 pC
• Fast transition time - tTRANS: 160 ns
• Low power - ISUPPLY: 10 μA
• Single supply capability
Available
Available
• 44 V supply max. rating
• TTL compatible logic
• Material categorization: For definitions of compliance
please see www.vishay.com/doc?99912
Note
* This datasheet provides information about parts that are
RoHS-compliant and/or parts that are non-RoHS-compliant. For
example, parts with lead (Pb) terminations are not RoHS-compliant.
Please see the information/tables in this datasheet for details.
BENEFITS
• Reduced switching errors
• Reduced glitching
• Improved data throughput
• Reduced power consumption
• Increased ruggedness
• Wide supply ranges
- Single supply: +5 V to 36 V
- Dual supplies: ± 5 V to ± 20 V
APPLICATIONS
• Data acquisition systems
• Audio signal routing
• ATE systems
• Battery powered systems
• Single supply systems
• Medical instrumentation
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG408
Dual-In-Line,
SOIC and TSSOP
A0 1
16 A1
EN 2 Decoders/Drivers 15 A2
V-
3
GND
14
S1 4
S2 5
V+
13
12 S5
S3 6
11 S6
S4 7
10 S7
D8
9 S8
Top View
DG409
Dual-In-Line,
SOIC and TSSOP
A0 1
16 A1
EN 2 Decoders/Drivers 15 GND
V-
3
V+
14
S1a 4
13 S1b
S2a 5
12 S2b
S3a 6
11 S3b
S4a 7
10 S4b
Da 8
9 Db
Top View
S13-2504-Rev. K, 16-Dec-13
1
Document Number: 70062
For technical questions, contact: [email protected]
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
1 page  
www.vishay.com
DG408, DG409
Vishay Siliconix
TYPICAL CHARACTERISTICS (25 °C, unless otherwise noted)
80
V+ = 15 V
V- = - 15 V
60 CD(on)
CD(off)
40
60
VS = 0 V for ID(off)
VS = VD for ID(on)
40
20 DG409 ID(off)
DG409 ID(on)
0
DG408 ID(off)
20
CS(off)
0
- 15
- 10 - 5
0
5 10
VANALOG - Analog Voltage (V)
15
Source/Drain Capacitance vs. Analog Voltage
100
60
20
- 20
V+ = 15 V
V- = - 15 V
VS = - VD for ID(off)
VD = VS(open) for ID(on)
DG409 ID(off)
- 20
DG408 ID(on)
- 40
- 60
0
2 4 6 8 10
VANALOG - Analog Voltage (V)
12
Drain Leakage Current vs. Source/Drain Voltage
(Single 12 V Supply)
20
15
V+ = 15 V
10 V- = - 15 V
5
- 60 DG409 ID(on)
- 100
DG408 ID(on), ID(off)
- 140
- 15
- 10 - 5
0
5 10
VD or VS - Drain or Source Voltage (V)
15
Drain Leakage Current vs. Source/Drain Voltage
0
V+ = 12 V
- 5 V- = 0 V
- 10
- 15 - 10
-5
0
5 10
VS - Source Voltage (V)
15
Source Leakage Current vs. Source Voltage
2.0 - 100 mA
- 10 mA
VSUPPLY = ± 15 V
1.5
- 1 mA
VEN = 2.4 V
1.0 - 100 µA
- 10 µA
0.5 VEN = 0 V or 5 V
- 1 µA
0.0
4
8 12 16
+ VSUPPLY (V)
20
- 0.1 µA
100
1K 10K 100K 1M
Switching Frequency (Hz)
10M
Input Switching Threshold vs. Supply Voltage
Negative Supply Current vs. Switching Frequency
S13-2504-Rev. K, 16-Dec-13
5
Document Number: 70062
For technical questions, contact: [email protected]
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
5 Page 
www.vishay.com
APPLICATION HINTS
Overvoltage Protection
A very convenient form of overvoltage protection consists of
adding two small signal diodes (1N4148, 1N914 type) in
series with the supply pins (see figure 10). This arrangement
effectively blocks the flow of reverse currents. It also floats
the supply pin above or below the normal V+ or V- value. In
this case the overvoltage signal actually becomes the power
DG408, DG409
Vishay Siliconix
supply of the IC. From the point of view of the chip, nothing
has changed, as long as the difference VS - (V-) does not
exceed + 44 V. The addition of these diodes will reduce the
analog signal range to 1 V below V+ and 1 V above V-, but it
preserves the low channel resistance and low leakage
characteristics.
V+
1N4148
SX
Vg
DG408
1N4148
D
V-
Fig. 10 - Overvoltage Protection Using Blocking Diodes
8-Channel Sequential Multiplexer/Demultiplexer
Differential 4-Channel Sequential Multiplexer/Demultiplexer
+ 15 V
- 15 V
+ 15 V
- 15 V
Analog
Inputs
(Outputs)
+ 15 V
V+ GND V-
S1
S2
S3
S4 DG408 D
S5
S6
S7
S8
A0 A1 A2 EN
Analog
Output
(Input)
Differential
Analog
Inputs
(Outputs)
+ 15 V
V+ GND
S1a
V-
S2a
S3a
S4a
DG409
Da
S1b
S2b
S3b
S4b
A0
Db
A1 EN
Differential
Analog
Outputs
(Inputs)
Clock
In
NC
DM7493 QB
BIN QC
AIN QD
QA
r01 r02 GND
NC
Clock
In
JQ
1/2 MM74C73
CLK
KQ
NC
JQ
1/2 MM74C73
CLK
KQ
NC
+ 15 V
CLEAR GND
CLEAR
Enable In
(MUX On-Off Control)
Reset Enable
6
Fig. 11
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and
reliability data, see www.vishay.com/ppg?70062.
S13-2504-Rev. K, 16-Dec-13
11
Document Number: 70062
For technical questions, contact: [email protected]
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
11 Page | ||
| Páginas | Total 19 Páginas | |
| PDF Descargar | [ Datasheet DG408.PDF ] | |
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