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DG300B Schematic ( PDF Datasheet ) - Vishay Siliconix

Teilenummer DG300B
Beschreibung CMOS Analog Switches
Hersteller Vishay Siliconix
Logo Vishay Siliconix Logo 




Gesamt 9 Seiten
DG300B Datasheet, Funktion
DG300B/301B/302B/303B
Vishay Siliconix
CMOS Analog Switches
FEATURES
D Analog Signal Range: "15 V
D Fast Switching—tON: 150 ns
D Low On-Resistance—rDS(on): 30 W
D Single Supply Operation
D Latch-up Proof
D CMOS Compatible
BENEFITS
APPLICATIONS
D Full Rail-to-Rail Analog Signal Range D Low Level Switching Circuits
D Low Signal Error
D Programmable Gain Amplifiers
D Low Power Dissipation
D Portable and Battery Powered Systems
DESCRIPTION
The DG300B-DG303B family of monolithic CMOS switches
feature three switch configuration options (SPST, SPDT, and
DPST) for precision applications in communications,
instrumentation and process control, where low leakage
switching combined with low power consumption are required.
Designed on the Vishay Siliconix PLUS-40 CMOS process,
these switches are latch-up proof, and are designed to block
up to 30 V peak-to-peak when off. An epitaxial layer prevents
latchup.
In the on condition the switches conduct equally well in both
directions (with no offset voltage) and minimize error
conditions with their low on-resistance.
Featuring low power consumption (3.5 mW typ) these
switches are ideal for battery powered applications, without
sacrificing switching speed. Designed for break-before-make
switching action, these devices are CMOS and quasi TTL
compatible. Single supply operation is allowed by connecting
the V– rail to 0 V.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
NC 1
D1 2
NC 3
S1 4
NC 5
IN1 6
GND 7
DG300B
Plastic DIP
14 V+
13 D2
12 NC
11 S2
10 NC
9 IN2
8 V–
Top View
TRUTH TABLE
Logic
Switch
0 OFF
1 ON
Logic “0” v 0.8 V
Logic “1” w 4 V
Document Number: 71402
S-02968—Rev. A, 22-Jan-01
www.vishay.com
1






DG300B Datasheet, Funktion
DG300B/301B/302B/303B
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Supply Current vs. Temperature
500
Off Isolation and Crosstalk vs. Frequency
120
400
300
V+ = 15 V
200 V= 15 V
VIN = 4 V (One Input)
100 (All Other = 0 V)
0
I+
I
100
55 35 15
5 25 45 65
Temperature (_C)
85 105 125
Supply Curents vs. Switching Frequency
15
V+ = 15 V
V= 15 V
10
100
Crosstalk
80
60
V+ = +15 V
40 V= 15 V
RL= 50 W
Off Isolation
20
10 k
100 k
1M
f Frequency (Hz)
10 M
100 nA
10 nA
Leakage vs. Temperature
V+ = 15 V
V= 15 V
VS, VD = "14 V
1 nA
ID(on)
5
0
1k
+I
I
10 k 100 k
f Frequency (Hz)
1M
Switching Time vs. Power Supply Voltage
400
350
300
250
200 tON
150 tOFF
100
50
0
"10 "12
"14 "16 "18
Supply Voltage (V)
"20
"22
www.vishay.com
6
100 pA
ID(off) or IS(off)
10 pA
55 35 15 5
25 45 65 85 105 125
Temperature (_C)
Switching Time vs. Temperature
400
V+ = 15 V
350 V= 15 V
VS = 3 V
300
tON
250
200 tOFF
150
100
50
0
55 35 15
5 25 45 65
Temperature (_C)
85 105 125
Document Number: 71402
S-02968Rev. A, 22-Jan-01

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