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DG2019 Datasheet

  • DG2019

  • Low Voltage, Dual DPDT and Quad SPDT Analog Switches

  • 82.99KB

  • 8頁

  • VISHAY   VISHAY

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DG2018/2019
New Product
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
鈥?r
DS(on)
: 6
W
@ 2.7 V
D
Low Voltage Logic Compatible
鈥?DG2019: V
INH
= 1 V
D
High Bandwidth: 150 MHz
D
QFN-16 Package
BENEFITS
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
APPLICATIONS
D
D
D
D
D
Cellular Phones
Audio and Video Signal Routing
PCMCIA Cards
Battery Operated Systems
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鈥檚 control pins
are compatible with 1.8-V digital logic. The DG2019 has an
available feature of a V
L
pin that allows a 1.0-V threshold for the
control pin when V
L
is powered with 1.5 V.
Built on Vishay Siliconix鈥檚 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 (T
on
, T
off
@ 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鈥檚 demanding mixed-signal
switching in portable applications.
An epitaxial layer prevents latch-up. Brake-before-make is
guaranteed for all SPDT鈥檚. 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
16
15
V+
14
NC4
13
TRUTH TABLE
IN1, IN2
Logic
0
1
NC1 and NC2
ON
OFF
NO1 and NO2
OFF
ON
NC1
IN1, IN2
NO2
COM2
1
2
3
4
12
11
10
9
COM4
NO4
IN3, IN4
NC3
IN3, IN4
Logic
0
1
NC3 and NC4
ON
OFF
NO3 and NO4
OFF
ON
5
NC2
6
GND
7
8
ORDERING INFORMATION
Temp Range
-40 to 85擄C
NO3 COM3
Package
QFN-16 (3 x 3 mm)
Part Number
DG2018DN
www.vishay.com
Top View
Document Number: 72342
S-31644鈥擱ev. A, 01-Aug-03
1

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