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PDF DG304B Data sheet ( Hoja de datos )
| Número de pieza | DG304B | |
| Descripción | CMOS Analog Switches | |
| Fabricantes | Vishay | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DG304B (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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DG304B/306B/307B
Vishay Siliconix
CMOS Analog Switches
FEATURES
D "15-V Input Range
D Fast Switching—tON: 110 ns
D Low rDS(on): 30 W
D Single Supply Operation
D CMOS Logic Levels
D Micropower: 30 nW
BENEFITS
APPLICATIONS
D Full Rail-to-Rail Analog Signal Range
D Low Signal Error
D Wide Dynamic Range
D Low Power Dissipation
D Low Level Switching Circuits
D Programmable Gain Amplifiers
D Portable and Battery Powered
Systems
DESCRIPTION
The DG304B, DG306B and DG307B monolithic CMOS
switches were designed for applications in communications,
instrumentation and process control. This series is well suited
for applications requiring fast switching and nearly flat
on-resistance over the entire analog range.
applications, without sacrificing switching speed.
Break-before-make switching action is guaranteed, and an
epitaxial layer prevents latchup. Single supply operation (for
positive switch voltages) is allowed by connecting the V– rail
to 0 V.
Designed on the Vishay Siliconix PLUS-40 CMOS process to
achieve low power consumption and excellent on/off switch
performance, these switches are ideal for battery powered
Each switch conducts equally well in both directions when on,
and blocks up to the supply voltage when off. These switches
are CMOS input compatible.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG304B
NC
D1
NC
S1
NC
IN1
GND
1
2
3
4
5
6
7
Plastic DIP
Top View
14 V+
13 D2
12 NC
11 S2
10 NC
9 IN2
8 V–
TRUTH TABLE
Logic
Switch
0 OFF
1 ON
Logic “0” v 3.5 V
Logic “1” w 11 V
DG306B
NC
S3
D3
D1
S1
IN1
GND
1
2
3
4
5
6
7
Plastic DIP
Top View
14 V+
13 S4
12 D4
11 D2
10 S2
9 IN2
8 V–
TRUTH TABLE
Logic
Switch
0 OFF
1 ON
Logic “0” v 3.5 V
Logic “1” w 11 V
Document Number: 71403
S-51204—Rev. B, 27-Jun-05
www.vishay.com
1
1 page  
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Supply Currents vs. Toggle Frequency
8
V+ = 15 V
RL = R
CL = 0
6 VS = Open
DG304B/306B/307B
Vishay Siliconix
4
2
0
1k
10 k 100 k
f – Frequency (Hz)
SCHEMATIC DIAGRAM (TYPICAL CHANNEL)
V+
1M
S
VIN
GND
V–
Level
Shift/
Drive
FIGURE 1.
V–
V+
D
TEST CIRCUITS
+15 V
VS = 3 V
15 V
V+
SD
IN
GND
V–
RL
300 W
–15 V
CL (includes fixture and stray capacitance)
VO = VS
RL
RL + rDS(on)
Document Number: 71403
S-51204—Rev. B, 27-Jun-05
VO
CL
33 pF
Logic
Input
0V
VS
Switch
Output
0V
FIGURE 2. Switching Time
Logic “1” = Switch On
VINH
50%
90%
tON
10%
tOFF
www.vishay.com
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet DG304B.PDF ] | |
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