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PDF DG458DJ Data sheet ( Hoja de datos )
| Número de pieza | DG458DJ | |
| Descripción | Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DG458DJ (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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DG458/459
Vishay Siliconix
Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers
FEATURES
D Fault and Overvoltage Protection
D All Channels Off When Power Off
D Latchup-Proof
D Fast Switching—TA: 200 ns
D Break-Before-Make Switching
D Low On-Resistance: 180 W
D Low Power Consumption: 3 mW
D TTL and CMOS Compatible Inputs
BENEFITS
D Improved Ruggedness
D Power Loss Protection
D Prevents Adjacent Channel Crosstalk
D Standard Logic Interface
D Superior Accuracy
D Fast Settling Time
APPLICATIONS
D Data Acquisition Systems
D Industrial Process Control Systems
D Avionics Test Equipment
D High-Rel Control Systems
D Telemetry
DESCRIPTION
The DG458 and DG459 are 8-channel single-ended and
4-channel differential analog multiplexers, respectively,
incorporating fault protection. A series n-p-n MOSFET
structure provides device and signal-source protection in the
event of power loss or overvoltages. Under fault conditions the
multiplexer input (or output) appears as an open circuit and
only a few nanoamperes of leakage current will flow. This
protects not only the multiplexer and the circuitry following it,
but also protects the sensors or signal sources which drive the
multiplexer.
The DG458 and DG459 can withstand continuous overvoltage
inputs up to "35 V. All digital inputs have TTL compatible logic
thresholds. Break-before-make operation prevents channel-
to-channel interference.
The DG458 and DG459 are improved pin-compatible
replacements for HI-508A/509A and MAX358/359
multiplexers.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG458
Dual-In-Line
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
Document Number: 70064
S-52433—Rev. F, 06-Sep-99
DG459
Dual-In-Line
A0 1
16 A1
EN 2 Decoders/Drivers 15 GND
V–
3
V+
14
S1a 4
S2a 5
13 S1b
12 S2b
S3a 6
11 S3b
S4a 7
10 S4b
Da 8
9 Db
Top View
www.vishay.com S FaxBack 408-970-5600
5-1
1 page  
DG458/459
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Output Leakage vs. Off-Channel Overvoltage
1 nA
V+ = 15 V
V– = –15 V
100 pA
10 pA
1 pA
0.1 pA
–50 –40 –30 –20 –10 0 10 20 30 40 50
VS – Source Voltage (V)
rDS(on) vs. VD and Temperature
700
V+ = 15 V
600 V– = –15 V
500
400
25_C
125_C
85_C
0_C
300
200
100
–55_C
0
–10 –7.5 –5.0 –2.5 0 2.5 5.0 7.5 10
VD – Drain Voltage (V)
Leakage Currents vs. Temperature
10
V+ = 15 V
V– = –15 V
VS, VD = "10 V
ID(on)
2000
rDS(on) vs. Input Voltage
1600
1200
800
"5 V
Supplies
"10 V
"15 V
400
"20 V
0
–20 –15 –10 –5 0 5 10 15 20 25
VS – Source Voltage (V)
Leakage Current vs. VS, VD
25
V+ = 15 V
20 V– = –15 V
15 IS(off)
10
5 ID(off)
0
–5
–10
ID(on)
–15
–20
–25
–15 –12 –9 –6 –3 0 3 6 9 12 15
VD or VS – Drain or Source Voltage (V)
Switching Times (tTRANS, tON, tOFF)
vs. "VSUPPLIES
240
tTRANS
200
1
0.10
IS(off)
ID(off)
0.01
–55 –35 –15
5 25 45 65 85 105 125
Temperature (_C)
160
tON(EN)
120
VIN = 2 V
80
tOFF(EN)
40
"5
"10
"15
V+, V– Positive and Negative Supplies (V)
"20
Document Number: 70064
S-52433—Rev. F, 06-Sep-99
www.vishay.com S FaxBack 408-970-5600
5-5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet DG458DJ.PDF ] | |
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