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DG2518 Schematic ( PDF Datasheet ) - Vishay Siliconix

Teilenummer DG2518
Beschreibung (DG2517 / DG2518) Dual SPDT Analog Switch
Hersteller Vishay Siliconix
Logo Vishay Siliconix Logo 




Gesamt 7 Seiten
DG2518 Datasheet, Funktion
www.DataSheet4U.com
DG2517/DG2518
Vishay Siliconix
3 Ω, High Bandwidth, Dual SPDT Analog Switch
DESCRIPTION
The DG2517/DG2518 are low-voltage dual single-pole/dou-
ble-throw monolithic CMOS analog switches. Designed to
operate from 1.8 V to 5.5 V power supply, the DG2517/
DG2518 achieves a bandwidth of 157 MHz while providing
low on-resistance (3 Ω), excellent on-resistance matching
(0.2 Ω) and flatness (1 Ω) over the entire signal range.
FEATURES
• 1.8 to 5.5 V Single Supply Operation
• Low Ron: 3 Ω at 4.2 V
• 157 MHz, - 3 dB Bandwidth
• Low Off-Isolation, - 47 dB at 10 MHz
• + 1.6 V Logic Compatible
The DG2517/DG2518 offers the advantage of high linearity
that reduces signal distortion, making ideal for audio, video,
and USB signal routing applications. Additionally, the
DG2517/DG2518 are 1.6 V logic compatible within the full
operation voltage range.
Built on Vishay Siliconix’s proprietary sub-micron high-den-
sity process, the DG2517/DG2518 brings low power con-
sumption at the same time as reduces PCB spacing with the
MSOP10 and DFN10 packages.
As a committed partner to the community and the environ-
ment, Vishay Siliconix manufactures this product with the
lead (Pb)-free device terminations. The DFN package has a
nickel-palladium-gold device termination and is represented
by the lead (Pb)-free "-E4" suffix. The MSOP package uses
100 % matte Tin device termination and is represented by
the lead (Pb)- free "-E3" suffix. Both the matte Tin and nickel-
palladium-gold device terminations meet all JEDEC stan-
dards for reflow and MSL ratings.
BENEFITS
• High Linearity
• Low Power Consumption
• High Bandwidth
• Full Rail Signal Swing Range
APPLICATIONS
• USB/UART Signal Switching
• Audio/Video Switching
• Cellular Phone
• Media Players
• Modems
• Hard Drives
• PCMCIA
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG2517
RoHS
COMPLIANT
IN1
NO1
GND
NO2
IN2
1
2
3
4
5
Top View
DG2518
10 COM1
9 NC1
8 V+
7 NC2
6 COM2
TRUTH TABLE
Logic
NC1 and NC2
0 ON
1 OFF
NO1 and NO2
OFF
ON
IN1
NC1
GND
NC2
IN2
1
2
3
4
5
Top View
Document Number: 74333
S-61774-Rev. A, 11-Sep-06
10 COM1
9 NO1
8 V+
7 NO2
6 COM2
ORDERING INFORMATION
Temp Range
Package
- 40 to 85 °C
MSOP-10
DFN-10
Part Number
DG2517DQ-T1-E3
DG2518DQ-T1-E3
DG2517DN-T1-E4
DG2518DN-T1-E4
www.vishay.com
1






DG2518 Datasheet, Funktion
DG2517/DG2518
Vishay Siliconix
TEST CIRCUITS
V+
VNO
VNC
V+
NO COM
NC
IN
GND
RL
300 Ω
VO
CL
35 pF
Logic VINH
Input
VINL
VNC = VNO
VO
Switch 0 V
Output
90 %
tD
tr < 5 ns
tf < 5 ns
tD
CL (includes fixture and stray capacitance)
Figure 2. Break-Before-Make Interval
V+
Vgen
Rgen
+
VIN = 0 - V+
V+
NC or NO
IN
GND
COM
VOUT
CL = 1 nF
VOUT
IN
On
ΔVOUT
Off
On
Q = ΔVOUT x CL
IN depends on switch configuration: input polarity
determined by sense of switch.
Figure 3. Charge Injection
10 nF
V+
V+
NC or NO
COM COM
IN
RL GND
Analyzer
VCOM
Off Isolation = 20 log VNO NC
Figure 4. Off-Isolation
0 V, 2.0 V
10 nF
V+
V+
COM
0 V, 2.0 V IN
NC or NO
GND
Meter
HP4192A
Impedance
Analyzer
or Equivalent
f = 1 MHz
Figure 5. Channel Off/On Capacitance
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Tech-
nology and Package Reliability represent a composite of all qualified locations. For related documents such as package/tape drawings, part marking, and reliability
data, see http://www.vishay.com/ppg?74333.
www.vishay.com
6
Document Number: 74333
S-61774-Rev. A, 11-Sep-06

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