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PDF DG2718 Data sheet ( Hoja de datos )
| Número de pieza | DG2718 | |
| Descripción | Dual DPDT Analog Switch | |
| Fabricantes | Vishay Siliconix | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de DG2718 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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New Product
DG2718
Vishay Siliconix
0.45-W CMOS, 1.65-V to 3.6-V, Dual DPDT Analog Switch
FEATURES
BENEFITS
D Low Voltage Operation (1.65 V to 3.6 V)
D Low On-Resistance - rON: 0.45 W @ 2.7 V
D Fast Switching: tON = 28 ns
www.DataSheeDt4UQ.cFoNm-16
(3x3)
tOFF =
Package
17
ns
D Reduced Power Consumption
D High Accuracy
D Reduce Board Space
D TTL/1.8-V Logic Compatible
D High Bandwidth
APPLICATIONS
D Cellular Phones
D Speaker Headset Switching
D Audio and Video Signal Routing
D PCMCIA Cards
D Battery Operated Systems
DESCRIPTION
The DG2718 is a dual double-pole/double-throw monolithic
CMOS analog switch designed for high performance switching
of analog signals. Combining low power, high speed, low
on-resistance and small physical size, the DG2718 is ideal for
portable and battery powered applications requiring high
performance and efficient use of board space.
The DG2718 is built on Vishay Siliconix’s low voltage process. An
epitaxial layer prevents latchup. Break-before-make is
guaranteed.
The switch conducts equally well in both directions when on,
and blocks up to the power supply level when off.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG2718
QFN-16 (3 X 3)
COM1 NO1 V+ NC4
16 15 14 13
NC1 1
IN1, IN2 2
NO2 3
COM2 4
12 COM4
11 NO4
10 IN3, IN4
9 NC3
5678
NC2 GND NO3 COM3
Top View
NOTE:
Underside exposed pad has no device electrical connection. It
is recommended that no electrical connection is made to it.
Logic
0
1
TRUTH TABLE
NC1, 2, 3 and 4 NO1, 2, 3 and 4
ON
OFF
OFF
ON
ORDERING INFORMATION*
Temp Range
Package
-40 to 85°C
16-Pin QFN (3 x 3 mm)
Variation 2
* Lead-Free Version Available
Part Number
DG2718DN
Document Number: 72677
S-32597—Rev. A, 29-Dec-03
www.vishay.com
1
1 page  
New Product
DG2718
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
70
60
50
40
30
www.DataSheet4U.com
20
10
Switching Time vs. Temperature
tON V+ = 1.8 V
tON V+ = 2.3 V
tON V+ = 3.0 V
tOFF V+ = 1.8 V
tOFF V+ = 2.3 V
tOFF V+ = 3.0 V
10
−10
−30
−50
−70
Insertion Loss, Off-Isolation
Crosstalk vs. Frequency
LOSS
XTALK
OIRR
V+ = 3 V
RL = 50 W
0
−60 −40 −20
0
20 40
Temperature (_C)
60
80 100
Switching Threshold vs. Supply Voltage
2.00
1.75
1.50
1.25
1.00
0.75
0.50
0.25
0.00
1.0 1.5 2.0 2.5 3.0 3.5 4.0
V+ − Supply Voltage (V)
−90
100 K 1 M 10 M
100 M
1G
Frequency (Hz)
Charge Injection vs. Analog Voltage
250
200
150
V+ = 3 V
100
V+ = 1.8 V
50
0
−50
−100
0.0
0.5 1.0 1.5 2.0 2.5
VCOM − Analog Voltage (V)
3.0
TEST CIRCUITS
V+
Switch
Input
Logic
Input
V+
NO or NC
COM
IN
GND
0V
Switch Output
VOUT
RL
300 W
CL
35 pF
Logic
Input
Switch
Output
CL (includes fixture and stray capacitance)
ǒ ǓVOUT + VCOM
RL
RL ) RON
Figure 1.
Switching Time
VINH
VINL
50%
tr t 5 ns
tf t 5 ns
0.9 x VOUT
0V
tON
tOFF
Logic “1” = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
Document Number: 72677
S-32597—Rev. A, 29-Dec-03
www.vishay.com
5
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet DG2718.PDF ] | |
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