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PDF DG387B Data sheet ( Hoja de datos )

Número de pieza DG387B
Descripción (DG381B - DG390B) CMOS Analog Switches
Fabricantes Vishay Siliconix 
Logotipo Vishay Siliconix Logotipo



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No Preview Available ! DG387B Hoja de datos, Descripción, Manual

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DG381B/384B/387B/390B
Vishay Siliconix
CMOS Analog Switches
FEATURES
BENEFITS
APPLICATIONS
D "15-V Input Range
D Low rDS(on): 30 W
D Single Supply Operation
D Pin and Function Compatible with the
JFET DG180 Family
D Full Rail-to-Rail Analog Signal Range
D Minimizes Signal Error
D Low Power Dissipation
D Low Level Switching Circuits
D Programmable Gain Amplifiers
D Portable and Battery Powered
Sytems
DESCRIPTION
The DG381B–DG390B series of monolithic CMOS analog
switches was designed for applications in instrumentation,
communications, and process control. This series is suited for
applications requiring fast switching and nearly flat
on-resistance over the entire voltage range.
switches are ideal for battery powered applications, without
sacrificing switching speed. Break-before-make switching
action is guaranteed, and an epitaxial layer prevents latchup.
Single supply operation is allowed by connecting the V– rail to
0 V.
Designed on Vishay Siliconix’ PLUS-40 CMOS process,
these devices achieve low power consumption (3.5 mW
typical) and excellent on/off switch performance. These
Each switch conducts equally well in both directions when on,
and blocks up to the supply voltage when off. These switches
are CMOS and quasi TTL logic compatible.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
S1 1
D1 2
NC 3
NC 4
IN1 5
V+ 6
NC 7
DG381B
Plastic Dip
14 S2
13 D2
12 NC
11 NC
10 IN2
9 V–
8 GND
Top View
TRUTH TABLE
Logic
Switch
0 ON
1 OFF
Logic “0” v 0.8 V
Logic “1” w 4 V
Document Number: 71404
S-02968—Rev. A, 22-Jan-01
www.vishay.com
1

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DG387B pdf
DG381B/384B/387B/390B
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
rDS(on) vs. VD and Power Supply
100
TA = 25_C
80
"5 V
60
50
rDS(on) vs. VD and Temperature
V+ = 15 V
V= 15 V
60
"7.5 V
40 "10 V
"15 V
20 "20 V
0
20 15 10 5 0 5 10
VD Drain Voltage (V)
15 20
Charge Injection vs. Analog Voltage (VS)
50
V+ = 15 V
V= 15 V
CL = 1 nF
40
40
125_C
30
25_C
20
55_C
10
15
10
5
0
5 10 15
VD Drain Voltage (V)
Switching Time and Break-Before-Make
Time vs. Positive Supply Voltage
500
V= 15 V
TA = 25_C
VINH = 4 V
400 VINL = 0 V
tOFF
30 300
20 200 tON
10
0
15 10 5 0 5 10
VS Source Voltage (V)
Input Switching Threshold
vs. Positive Supply Voltage
5
V= 0 to 15V
TA = 25_C
4
15
3
2
1
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
0 5 10
V+ Positive Supply Voltage (V)
Document Number: 71404
S-02968Rev. A, 22-Jan-01
15
100
0
0
tOPEN
DG301/303 Only
5 10
V+ Positive Supply Voltage (V)
15
Supply Current vs. Temperature
500
400
300
V+ = 15 V
200 V= 15 V
VIN = 4 V (One Input)
(All Other = 0 V)
100
0
I+
I
100
55 35 15
5 25 45 65
Temperature (_C)
85 105 125
www.vishay.com
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