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PDF DG508B Data sheet ( Hoja de datos )

Número de pieza DG508B
Descripción Precision 8-Channel / Dual 4-Channel CMOS Analog Multiplexers
Fabricantes Vishay 
Logotipo Vishay Logotipo



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www.vishay.com
DG508B, DG509B
Vishay Siliconix
Precision 8-Channel / Dual 4-Channel CMOS Analog Multiplexers
DESCRIPTION
The DG508B 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 DG509B 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,
addresses (AX) and enable (EN) are TTL compatible over the
full specified operating temperature range.
The DG508B and DG509B are fabricated on an enhanced
SG-II CMOS process that achieves improved performance
on: reduced charge injection, lower device leakage, and
minimized parasitic capacitance.
As the DG508, DG509 has a long history in the industry with
many suppliers offering copies - and in some cases
improved variations - with the best in class improvements,
the Vishay Siliconix new version of the DG508B, DG509B
are the superior alternatives to what is currently available.
Applications for the DG508B, DG509B include high speed
and high precision 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.
The DG508B and DG509B have the absolute maximum
voltage rating extended to 44 V. Additionally, single supply
operation is also allowed. An epitaxial layer prevents
latch-up.
The DG508B and DG509B are both available in 16-lead
SOIC, TSSOP, PDIP, and miniQFN (1.8 mm x 2.6 mm)
package options with extended temperature range of -40 °C
to +125 °C.
For more information, refer to Vishay Siliconix DG508B,
DG509B evaluation board note.
FEATURES
• Operate with single or dual power supply
• V+ to V- analog signal swing range
• 44 V power supply maximum rating
• Extended operate temperature range:
-40 °C to +125 °C
• Low leakage typically < 3 pA
• Low charge injection - QINJ = 2 pC
• Low power - ISUPPLY: 10 μA
• TTL compatible logic
• > 250 mA latch-up current per JESD78
• Available in SOIC16, TSSOP16, PDIP, and miniQFN16
packages
• Superior alternative to:
- ADG508A, DG508A, HI-508
- ADG509A, DG509A, HI-509
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
BENEFITS
• Reduced switching errors
• Reduced glitching
• Improved data throughput
• Reduced power consumption
• Increased ruggedness
• Wide supply ranges (± 5 V to ± 20 V)
APPLICATIONS
• Data acquisition systems
• Audio and video signal routing
• ATE systems
• Medical instrumentation
S14-2382-Rev. E, 15-Dec-14
1
Document Number: 64821
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




DG508B pdf
www.vishay.com
DG508B, DG509B
Vishay Siliconix
SPECIFICATIONS (Single Supply 12 V)
PARAMETER
Analog Switch
SYMBOL
TEST CONDITIONS
UNLESS OTHERWISE
SPECIFIED
V+ = 12 V, V- = 0 V (± 10 %)
VAX, VEN = 2 V, 0.8 V a
-40 °C to +125 °C -40 °C to +85 °C
TEMP. b TYP. c
UNIT
MIN. d MAX. d MIN. d MAX. d
Analog Signal Range e
On-Resistance
RDS(on) Matching
Switch Off Leakage
Current
VANALOG
Full -
0 12 0 12 V
RDS(on)
VD = 10 V/0 V, IS = 1 mA
Room
Full
265
-
-
-
500 - 500
650 - 600 Ω
ΔRDS(on)
Room 10
-
-
--
IS(off)
Room
Full
-
-
-1 1 -1 1
-50 -50 -50 50
V+ = 12 V, V- = 0 V
Room
-
-1
1
-1 1
ID(off)
VD = 0 V/10 V,
VS = 10 V/0 V
DG508B
Full
nA
- -100 100 -100 100
ID(off)
Room
-
-1
1
-1 1
DG509B
Full - -50 50 -50 50
Channel On Leakage
Current
Room
-
-1
1
-1 1
DG508B
ID(on)
V+ = 12 V, V- = 0 V
VS = VD = 0 V/10 V
Full - -100 100 -100 100
nA
Room
-
-1
1
-1 1
DG509B
Full - -50 50 -50 50
Digital Control
Logic High Input Voltage
Logic Low Input Voltage
Logic High Input Current
Logic Low Input Current
Logic Input Capacitance e
Dynamic Characteristics
VINH
VINL
IIH
IIL
CIN
VAX, VEN = 2 V
VAX, VEN = 0.8 V
f = 1 MHz
Full
Full
Full
Full
Room
-
-
-
-
4
2 - 2-
V
- 0.8 - 0.8
-1 1 -1 1
μA
-1 1 -1 1
- - - - pF
Transition Time
tTRANS
VS1 = 10 V/0 V, VS8 = 0 V/10 V,
RL = 1 MΩ, CL = 35 pF
Room
Full
165
-
-
-
400
550
- 400
- 500
Break-Before-Make
Interval
Enable Turn-On Time
Enable Turn-Off Time
tOPEN
VS1 = VS8 = 5 V, CL = 35 pF,
RL = 1 kΩ
Room
Full
37
-
15
1
-
-
15 -
1-
ns
Room 125
-
300 - 300
tON(EN)
VS1 = 5 V, VS2 to VS8 = 0 V,
Full
-
- 550 - 425
RL = 1 kΩ, CL = 35 pF
Room 75 - 250 - 250
tOFF(EN)
Full -
- 350 - 300
Charge Injection e
QINJ CL = 1 nF, RGEN = 0 Ω, VGEN = 0 V Full
2.5
-
-
- - pC
Off Isolation e
Crosstalk e
OIRR
XTALK
CL = 5 pF, RL = 50 Ω
f = 1 MHz
Room -80
-
-
--
dB
Room -88
-
-
--
-3 dB Bandwidth e
BW
RL = 50 Ω
Room 200
-
-
- - MHz
Total Harmonic Distortion e THD
RL = 10 kΩ, 5 VRMS,
f = 20 Hz to 20 kHz
Room 0.26
-
-
- -%
Source Off Capacitance e
Drain Off Capacitance e
CS(off)
CD(off)
2- - --
DG508B
13 - - - -
f = 1 MHz
DG509B Room
8
-
-
- - pF
Channel On Capacitance e CD(on)
DG508B
DG509B
17 - - - -
12 - - - -
S14-2382-Rev. E, 15-Dec-14
5
Document Number: 64821
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





DG508B arduino
www.vishay.com
TEST CIRCUITS
+ 15 V
V+
A2 S1
A1 S2 - S7
A0
50
DG508B S8
± 10 V
± 10 V
EN D
+ 2.0 V
GND V-
- 15 V
1 M
VO
35 pF
+ 15 V
V+
A1 S1b
A0
50
S1a - S4a, Da
DG509B S4b
EN Db
+ 2.0 V
GND V-
± 10 V
± 10 V
- 15 V
1 M
VO
35 pF
DG508B, DG509B
Vishay Siliconix
Logic
Input
3V
0V
Switch
Output
VO
VS1
0V
VS8
tTRANS
S1 ON
50 %
90 %
S8 ON
tr < 20 ns
tf < 20 ns
90 %
tTRANS
+ 15 V
Fig. 2 - Transition Time
V+
EN
S1 5 V
A0
S2 - S8
DG508B
A1
A2
GND
D
V-
50 1 k
VO
35 pF
- 15 V
+ 15 V
V+
S1b
EN
5V
A0
S1a - S4a, Da
S2b - S4b
DG509B
A1 Db
GND
V-
50 1 k
- 15 V
VO
35 pF
Logic
Input
3V
0V
tON(EN)
0V
Switch
Output
VO
VO
Fig. 3 - Enable Switching Time
50 %
tr < 20 ns
tf < 20 ns
tOFF(EN)
10 %
90 %
S14-2382-Rev. E, 15-Dec-14
11
Document Number: 64821
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







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