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Teilenummer | DG303A |
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Beschreibung | (DG300A - DG303A) CMOS Analog Switches | |
Hersteller | TEMIC Semiconductors | |
Logo | ||
Gesamt 10 Seiten www.DataSheet4U.com
DG300A/301A/302A/303A
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
D Full Rail-to-Rail Analog Signal
Range
D Low Signal Error
D Low Power Dissipation
Applications
D Low Level Switching Circuits
D Programmable Gain Amplifiers
D Portable and Battery Powered
Systems
Description
The DG300A-DG303A 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 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
DG300A
Dual-In-Line
NC
D1
NC
S1
NC
IN1
GND
1
2
3
4
5
6
7
Top View
14 V+
13 D2
12 NC
11 S2
10 NC
9 IN2
8 V–
DG300A
Metal Can
V+ (Substrate and Case)
D1 10 D2
19
S1
2
S2
8
IN1 3 Top View
7 IN2
46
NC 5 V–
GND
Truth Table
Logic
Switch
0 OFF
1 ON
Logic “0” v 0.8 V
Logic “1” w 4 V
Updates to this data sheet may be obtained via facsimile by calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70044.
Siliconix
S-52880—Rev. C, 28-Apr-97
1
DG300A/301A/302A/303A
Typical Characteristics
rDS(on) vs. VD and Power Supply
90
TA = 25°C
70 "5 V
50 "8 V
"10 V
"12 V
30
"15 V
10
–25
"20 V
–15 –5 5 15
VD – Drain Voltage (V)
25
rDS(on) vs. VD and Power Supply Voltage
100
7.5 V
V– = 0 V
TA = 25°C
80
10 V
60
15 V
40 20 V
20
0
5 10 15
VD – Drain Voltage (V)
20
Charge Injection vs. Analog Voltage
50
V+ = 15 V
40 V– = –15 V
CL = 1 nF
30
rDS(on) vs. VD and Temperature
60
V+ = 15 V
V– = –15 V
50
40
TA = 125_C
30
TA = 25_C
20
TA = –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
400
VINH = 4 V
VINL = 0 V
300 tOFF
200 tON
100 tOPEN
DG301/303 Only
0
0 5 10
V+ – Positive Supply (V)
Input Switching Threshold
vs. Positive Supply Voltage
5
V– = –15 V
TA = 25_C
4
15
3
20 2
10 1
0
–15 –10 –5 0 5 10
VS – Source Voltage (V)
15
6
0 5 10 15
V+ – Positive Supply (V)
Siliconix
S-52880—Rev. C, 28-Apr-97
6 Page | ||
Seiten | Gesamt 10 Seiten | |
PDF Download | [ DG303A Schematic.PDF ] |
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