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PDF DG542 Data sheet ( Hoja de datos )

Número de pieza DG542
Descripción Wideband/Video T Switches
Fabricantes TEMICs 
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No Preview Available ! DG542 Hoja de datos, Descripción, Manual

Wideband/Video “T” Switches
DG540/541/542
Features
Benefits
D Wide Bandwidth: 500 MHz
D Low Crosstalk: –85 dB
D High Off-Isolation: –80 dB @ 5 MHz
D “T” Switch Configuration
D TTL Logic Compatible
D Fast Switching—tON: 45 ns
D Low rDS(on): 30 W
D Flat Frequency Response
D High Color Fidelity
D Low Insertion Loss
D Improved System Performance
D Reduced Board Space
D Reduced Power Consumption
D Improved Data Throughput
Applications
D RF and Video Switching
D RGB Switching
D Local and Wide Area Networks
D Video Routing
D Fast Data Acquisition
D ATE
D Radar/FLR Systems
D Video Multiplexing
Description
The DG540/541/542 are high performance monolithic
wideband/video switches designed for switching RF, video
and digital signals. By utilizing a “T” switch configuration
on each channel, these devices achieve exceptionally low
crosstalk and high off-isolation. The crosstalk and
off-isolation of the DG540 are further improved by the
introduction of extra GND pins between signal pins.
To achieve TTL compatibility, low channel capacitances
and fast switching times, the DG540 family is built on the
Siliconix proprietary D/CMOS process. Each switch
conducts equally well in both directions when on.
Functional Block Diagrams and Pin Configurations
DG540
Dual-In-Line
IN1 1
D1 2
GND 3
S1 4
V– 5
GND 6
S4 7
GND 8
D4 9
IN4 10
Top View
20 IN2
19 D2
18 GND
17 S2
16 V+
15 GND
14 S3
13 GND
12 D3
11 IN3
S1
V–
GND
S4
GND
4
5
6
7
8
DG540
PLCC
3 2 1 20 19
18 GND
17 S2
16 V+
15 GND
14 S3
9 10 11 12 13
Top View
Truth Table
Logic
Switch
0 OFF
1 ON
Logic “0” v 0.8 V
Logic “1” w 2 V
Updates to this data sheet may be obtained via facsimile by calling Siliconix FaxBack, 1-408-970-5600. Please request FaxBack document #70055.
Siliconix
S-53694—Rev. E, 28-May-97
1

1 page




DG542 pdf
Typical Characteristics
Supply Curent vs. Temperature
6
5
4
I+
3
2
1
0 IGND
–1
–2
I–
–3
–4
–5
–55 –35 –15
5 25 45 65
Temperature (_C)
85 105 125
rDS(on) vs. Drain Voltage
160
V+ = 15 V
140 V– = –3 V
120 125_C
100
80
25_C
60
40 –55_C
20
0
–3 –1
1357
VD – Drain Voltage (V)
9 11
On Capacitance
22
20
18
16
14
12
10
8
6
0 2 4 6 8 10 12 14
VD – Drain Voltage (V)
Siliconix
S-53694—Rev. E, 28-May-97
DG540/541/542
100 nA
ID(off), IS(off) vs. Temperature
10 nA
1 nA
100 pA
10 pA
1 pA
0.1 pA
–55 –25
0 25 50 75
Temperature (_C)
100 125
V+ Constant
42
V+ = 10 V
40
V– Constant
42
40
38
36 V+ = 12 V
38
V– = –5 V
36
34
32
V+ = 15 V
30
34
32
30
V– = –3 V
20 20 V– = –1 V
18 18
–5 –4 –3 –2 –1 0 10 11 12 13 14 15 16
V– – Negative Supply (V) V+ – Positive Supply (V)
–110
–100
–90
–80
–70
–60 DG542
–50
–40
–30
–20
–10
1
Off Isolation
DG540
DG541
10
f – Frequency (MHz)
100
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