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PDF DG508A Data sheet ( Hoja de datos )
| Número de pieza | DG508A | |
| Descripción | Single 8-Channel/Differential 4-Channel CMOS Analog Multiplexers | |
| Fabricantes | TEMIC | |
| Logotipo |  |
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Siliconix
DG508A/509A
Single 8ĆCh/Differential 4ĆCh CMOS Analog Multiplexers
Features
D Low OnĆResistance: 240 W
D TTL and CMOS Logic
Compatible
D Low Power: 30 mW
D BreakĆBeforeĆMake Switching
D 44ĆV Power Supply Rating
D Transition Time: 600 ns
Benefits
D Easily Interfaced
D Low Power Consumption
D Low System Crosstalk
D Wide Analog Signal Range
Applications
D Communication Systems
D ATE
D Data Acquisition Systems
D Audio Signal Routing and
Multiplexing
D Medical Instrumentation
Description
The DG508A, an 8Ćchannel singleĆended analog
multiplexer, is designed to connect one of eight inputs
to a common output as determined by a 3Ćbit binary
address (A0, A1, A2).
The DG509A, a dual 4Ćchannel analog multiplexer, is
designed to connect one of four differential inputs to
a common output as determined by its 2Ćbit binary
address (A0, A1) logic. BreakĆbeforeĆmake switching
action protects against momentary shorting of the
input signals.
A channel in the on state conducts current equally well
in both directions. In the off state each channel blocks
voltages up to the power supply rails, normally 30 V
peakĆtoĆpeak. An enable (EN) function allows for
device selection when several multiplexers are used
All control inputs, address (AX) and enable (EN) are
TTL or CMOS compatible over the full specified
operating temperature range.
Fabricated in the Siliconix PlusĆ40 process, the
absolute maximum voltage rating is extended to 44ĂV,
allowing increased operating headroom for standard
±15ĆV signal swings and operation with ±20ĆV
supplies. An epitaxial layer prevents latch up.
For applications requiring address data latching, the
DG528/529 is recommended. DG408/409 is
recommended for higher precision applications. For
wideband/video routing and multiplexing, the
DG538A is recommended.
Functional Block Diagrams and Pin Configurations
DG508A
DualĆInĆLine and SOIC
A0 1
16 A1
EN 2 Decoders/Drivers 15 A2
V- 3
14 GND
S1 4
13 V+
S2 5
12 S5
S3 6
11 S6
S4 7
10 S7
D8
9 S8
Top View
LCC
EN A0 NC A1 A2
Key
3 2 1 20 19
V- 4
S1 5
NC 6
S2 7
S3 8
Decoders/Drivers
18 GND
17 V+
16 NC
15 S5
14 S6
9 10 11 12 13
S4 D NC S8 S7
Top View
PĆ32167ĊRev. A (11/15/93)
1
1 page  
Siliconix
Typical Characteristics (Cont'd)
Supply Current vs. Switching Frequency
6
V+ = 15 V
4 V- = -15 V
I+
2
0
-2
I-
-4
-6
10 k
100 k
f - Frequency (Hz)
1M
Off Isolation vs. Frequency
0
V+ = 15 V
V- = -15 V
-20 ref. 0 dBm
CerDIP
-40
Plastic
-60
-80
-100
-120
1k
10 k 100 k 1 M
f - Frequency (Hz)
10 M
Switching Time vs. Positive Supply Voltage
1100
1000
900
800
700 tTRANS
600
500 tOPEN
400
300
200
10
12 14 16 18 20
V+ - Positive Supply (V)
22
PĆ32167ĊRev. A (11/15/93)
DG508A/509A
Crosstalk vs. Frequency
0
V+ = 15 V
V- = -15 V
-20 ref. 0 dBm
CerDIP
-40
Plastic
-60
-80
-100
-120
1k
10 k 100 k
1M
f - Frequency (Hz)
10 M
Switching Time vs. Temperature
1400
1200
V+ = 15 V
V- = -15 V
1000
800
600
tTRANS
tOPEN
400
200
-55 -35 -15 5 25 45 65
Temperature (_C)
85 105 125
100 nA
10 nA
1 nA
100 pA
10 pA
Leakages vs. Temperature
V+ = 15 V
V- = -15 V
VD = ±14 V
ID(on), ID(off)
IS(off)
1 pA
0.1 pA
-55 -35 -15 5 25 45 65 85 105 125
Temperature (_C)
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet DG508A.PDF ] | |
Hoja de datos destacado
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