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DG458DJ 데이터시트 PDF




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부품번호 DG458DJ 기능
기능 Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers
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DG458DJ 데이터시트, 핀배열, 회로
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




DG458DJ pdf, 반도체, 판매, 대치품
DG458/459
Vishay Siliconix
SPECIFICATIONSa
Parameter
Power Supplies
Positive Supply Current
Negative Supply Current
Power Supply Range for
Continuous Operation
Symbol
I+
I–
Test Conditions
Unless Otherwise Specified
V+ = 15 V, V– = –15 V
VAL = 0.8 V, VAH = 2.4 Vf
Tempb
Typc
A Suffix
–55 to 125_C
D Suffix
–40 to 85_C
Mind Maxd Mind Maxd Unit
VEN = 5.0 or 0 V, VA = 0 V
Room
Full
Room
Full
Room
0.05
–0.01
–0.1
–0.2
"4.5
0.1
0.2
"18
–0.1
–0.2
"4.5
0.1
0.2
"18
mA
V
Notes:
a. Refer to PROCESS OPTION FLOWCHART.
b. Room = 25_C, Full = as determined by the operating temperature suffix.
c. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
d. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
e. Guaranteed by design, not subject to production test.
f. VIN = input voltage to perform proper function.
ǒ Ǔg. When the analog signal exceeds the +13.5 V or –12 V, rDS(on) starts to rise until only leakage currents flow.
rDS(on) MAX – rDS(on) MIN
h. DrDS(on) +
rDS(on) AVE
x 100%
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
1 mA
100 mA
10 mA
1 mA
Input Leakage vs. Input Voltage
V+ = V– = 0 V
100 nA
10 nA
1 nA
Operating Range
100 pA
10 pA
1 pA
–50 –40 –30 –20 –10 0 10 20 30 40 50
VS – Source Voltage (V)
Off-Channel Leakage Currents vs. Input Voltage
1 mA
100 mA
V+ = 15 V
V– = –15 V
10 mA
1 mA
100 nA
10 nA
1 nA
Operating Range
100 pA
10 pA
1 pA
–50 –40 –30 –20 –10 0 10 20 30 40 50
VS – Source Voltage (V)
www.vishay.com S FaxBack 408-970-5600
5-4
Document Number: 70064
S-52433—Rev. F, 06-Sep-99

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DG458DJ 전자부품, 판매, 대치품
TEST CIRCUITS
DG458/459
Vishay Siliconix
"VS
IS(off)
A
Sn
+15 V
V+
D
ID(off)
A
V–
–15 V
FIGURE 2. Analog Input Overvoltage
VD
+15 V
+2.4 V
EN V+ S1b
"5 V
A2
A1 DG458
A0
GND V–
*
S8b
Db
50 W
1 MW
–15 V
#5 V
VO
35 pF
* = S1a – S8a, S2b – S7b, Da
Logic
Input
Switch
Output
VO
3V
0V
+5 V
–5 V
FIGURE 3. Transition Time
50%
90%
tA
+2.4 V
+15 V
V+
EN S1 , S8
A0
A1
A2
GND
S2 – S7
DG458
Db, D
V–
50 W
–15 V 1 kW
+5 V
VO
35 pF
Logic
Input
3V
0V
Switch
Output
VO
0V
50%
tOPEN
Document Number: 70064
S-52433—Rev. F, 06-Sep-99
FIGURE 4. Break-Before-Make Time
www.vishay.com S FaxBack 408-970-5600
5-7

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부품번호상세설명 및 기능제조사
DG458DJ

Fault-Protected Single 8-Ch/Differential 4-Ch Analog Multiplexers

Vishay Siliconix
Vishay Siliconix

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