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DG2019DN Schematic ( PDF Datasheet ) - Vishay Siliconix

Teilenummer DG2019DN
Beschreibung Low Voltage / Dual DPDT and Quad SPDT Analog Switches
Hersteller Vishay Siliconix
Logo Vishay Siliconix Logo 




Gesamt 8 Seiten
DG2019DN Datasheet, Funktion
New Product
DG2018/2019
Vishay Siliconix
Low Voltage, Dual DPDT and Quad SPDT Analog Switches
FEATURES
D Low Voltage Operation (1.8 V to 5.5 V)
D Low On Resistance
– rDS(on) : 6 W @ 2.7 V
D Low Voltage Logic Compatible
– DG2019: VINH = 1 V
D High Bandwidth: 150 MHz
D QFN-16 Package
BENEFITS
APPLICATIONS
D Ideal for Both Analog and Digital
Signal Switching
D Reduced Power Consumption
D High Accuracy
D Reduced PCB Space
D Fast Switching
D Low Leakage
D Cellular Phones
D Audio and Video Signal Routing
D PCMCIA Cards
D Battery Operated Systems
D Portable Instrumentation
DESCRIPTION
The DG2018 and DG2019 are low voltage, single supply
analog switches. The DG2018 is a dual
double-pole/double-throw (DPDT) with two control inputs that
each controls a pair of single-pole/double-throw (SPDT). The
DG2019 uses one control pin to operate four independent
SPDT switches.
When operated on a +3-V supply, the DG2018’s control pins
are compatible with 1.8-V digital logic. The DG2019 has an
available feature of a VL pin that allows a 1.0-V threshold for the
control pin when VL is powered with 1.5 V.
Built on Vishay Siliconix’s low voltage submicron CMOS
process, the DG2018 and DG2019 are ideal for high
performance switching of analog signals; providing low
on-resistance (6 W @ +2.7 V), fast speed (Ton, Toff @ 42 ns
and 16 ns), and a bandwidth that exceeds 150 MHz.
The DG2018 and DG2019 were designed to offer solutions
that extend beyond audio/video functions, to providing the
performance required for today’s demanding mixed-signal
switching in portable applications.
An epitaxial layer prevents latch-up. Brake-before-make is
guaranteed for all SPDT’s. All switches conduct equally well in
both directions when on, and blocks up to the power supply
level when off.
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG2018DN
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
Document Number: 72342
S-31644—Rev. A, 01-Aug-03
IN1, IN2
Logic
0
1
IN3, IN4
Logic
0
1
TRUTH TABLE
NC1 and NC2
ON
OFF
NO1 and NO2
OFF
ON
NC3 and NC4
ON
OFF
NO3 and NO4
OFF
ON
ORDERING INFORMATION
Temp Range
-40 to 85°C
Package
QFN-16 (3 x 3 mm)
Part Number
DG2018DN
www.vishay.com
1






DG2019DN Datasheet, Funktion
DG2018/2019
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Switching Time vs. Temperature
vs. Supply Voltage
50
RL = 300 W
40
tON V+ = 3.3 V
30 tON V+ = 5.5 V
20 tOFF V+ = 3.3 V
10 tOFF V+ = 5.5 V
0
60 40 20
0
20 40
Temperature (_C)
60
VIN vs. VL (Typ)
1.8
80 100
1.6 DG2019
1.4
1.2
V+ = 3.3 V
1.0 V+ = 5.5 V
0.8
0.6
0.4
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
VL (V)
Insertion Loss, Off Isolation and Crosstalk
vs. Frequency
20 Insertion Loss
0 3 dB = 150 MHz
20 V+ = 3.3, 5.5 V
RL = 50 W
40
OIRR
60
80
Crosstalk
100
Switching Voltage vs. Supply Voltage (V+)
1.8
1.6 DG2018
1.4 ON/OFF
1.2
1.0
OFF/ON
0.8
0.6
0.4
0.2
0.0
0
12345
V+ Supply Voltage (V)
6
Charge Injection at Source vs. Analog Voltage
10
8
V+ = 5.5 V
6
4
2
0
2 V+ = 3.3 V
4
6
0
12345
VCOM Analog Voltage (V)
6
120
100 K
1M
10 M
100 M
Frequency (Hz)
1G
www.vishay.com
6
Document Number: 72342
S-31644—Rev. A, 01-Aug-03

6 Page







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