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DG417B Schematic ( PDF Datasheet ) - Vishay Siliconix

Teilenummer DG417B
Beschreibung Precision CMOS Analog Switches
Hersteller Vishay Siliconix
Logo Vishay Siliconix Logo 




Gesamt 9 Seiten
DG417B Datasheet, Funktion
New Product
DG417B/418B/419B
Vishay Siliconix
Precision CMOS Analog Switches
FEATURES
D "15-V Analog Signal Range
D On-Resistance—rDS(on): 15 W
D Fast Switching Action—tON: 100 ns
D TTL and CMOS Compatible
D MSOP-8 and SOIC-8 Packaging
BENEFITS
D Wide Dynamic Range
D Low Signal Errors and Distortion
D Break-Before-Make Switching Action
D Simple Interfacing
D Reduced Board Space
D Improved Reliability
APPLICATIONS
D Precision Test Equipment
D Precision Instrumentation
D Battery Powered Systems
D Sample-and-Hold Circuits
D Military Radios
D Guidance and Control Systems
D Hard Disk Drives
DESCRIPTION
The DG417B/418B/419B monolithic CMOS analog switches
were designed to provide high performance switching of
analog signals. Combining low power, low leakages, high
speed, low on-resistance and small physical size, the DG417B
series is ideally suited for portable and battery
powered industrial and military applications requiring high
performance and efficient use of board space.
high voltage silicon gate (HVSG) process. Break-before-make
is guaranteed for the DG419B, which is an SPDT
configuration. An epitaxial layer prevents latchup.
Each switch conducts equally well in both directions when on,
and blocks up to the power supply level when off.
To achieve high-voltage ratings and superior switching
performance, the DG417B series is built on Vishay Siliconix’s
The DG417B and DG418B respond to opposite control logic
levels as shown in the Truth Table.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG417B
Dual-In-Line, SOIC-8 and MSOP-8
S1
NC 2
GND 3
V+ 4
8D
7 V-
6 IN
5 VL
Top View
DG419B
Dual-In-Line, SOIC-8 and MSOP-8
D1
S1 2
GND 3
V+ 4
Top View
8 S2
7 V-
6 IN
5 VL
TRUTH TABLE
Logic
DG417B DG418B
0 ON OFF
1
OFF
ON
Logic “0” = v 0.8 V, Logic “1” = w 2.4 V
TRUTH TABLEĊDG419B
Logic
SW1
SW2
0 ON OFF
1
OFF
ON
Logic “0” = v 0.8 V, Logic “1” = w 2.4 V
Document Number: 72107
S-31538—Rev. B, 11-Aug-03
www.vishay.com
1






DG417B Datasheet, Funktion
DG417B/418B/419B
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Switching Time vs. Temperature
140
VL = 5 V
120
tON V = 12 V
100
80
tON V = "15 V
60
40
tOFF V = "15 V
tOFF V = 12 V
20
- 55 - 35 - 15
5 25 45 65
Temperature (_C)
85 105 125
Transition Time vs. Temperature
140
V+ = 12 V
120
v- = 0 V
VL = 5 V
100 tTRANS-
80
tTRANS+
60
40
20
- 55 - 35 - 15
5 25 45 65
Temperature (_C)
85 105 125
Switching Threshold vs. Supply Voltage
3.0
2.5 VL = 5 V
2.0
1.5
1.0
0.5
0.0
4 6 8 10 12 14 16 18 20
V+ - Supply Voltage (V)
www.vishay.com
6
Transition Time vs. Temperature
100
V" = "15 V
90 VL = 5 V
80
70
tTRANS -
60
50
tTRANS+
40
30
20
- 55 - 35 - 15
5 25 45 65
Temperature (_C)
85 105 125
Insertion Loss, Off -Isolation
Crosstalk vs. Frequency
10
- 10 Loss
- 30 XTALK
OIRR
- 50
- 70
- 90
- 110
100 k
V+ = 3 V
V- = 0 V
RL = 50 W
1 M 10 M
Frequency (Hz)
100 M
1G
Charge Injection vs. Analog Voltage
30
25
20 C = 10 nF
15
10
5 V = "15 V
0
- 5 V+ = 12 V
- 10
- 15
- 20
- 25
- 30
- 15 - 12 - 9 - 6 - 3 0 3 6 9 12
15
VS - Analog Voltage (V)
Document Number: 72107
S-31538—Rev. B, 11-Aug-03

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