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DG2788 데이터시트 PDF




Vishay Siliconix에서 제조한 전자 부품 DG2788은 전자 산업 및 응용 분야에서
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부품번호 DG2788 기능
기능 (DG2788 / DG2789) Dual DPDT/Quad SPDT Analog Switch
제조업체 Vishay Siliconix
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DG2788 데이터시트, 핀배열, 회로
www.DataSheet.co.kr
DG2788, DG2789
Vishay Siliconix
Low Voltage, Low On-Resistance, Dual DPDT/Quad SPDT
Analog Switch
DESCRIPTION
The DG2788, DG2789 are monolithic CMOS analog
switching products designed for high performance switching
of analog signals. Combining low power, high speed, low
on-resistance and small physical size, the DG2788, DG2789
are ideal for portable and battery powered applications
requiring high performance and efficient use of board space.
The DG2788, DG2789 are 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. The
DG2788 is configured as a dual Double Pole Double Throw
switches while the DG2789 is configured as a Quad Single
Pole Double Throw. The DG2789 has one control pin for all
four SPDT switches and also has an enable pin that can turn
all switches off.
The DG2788 and DG2789 comes in a small miniQFN-16
lead package (2.6 x 1.8 x 0.75 mm).
As a committed partner to the community and the
environment, Vishay Siliconix manufactures this product
with the lead (Pb)-free device terminations and is 100 %
RoHS compliant.
FEATURES
• Low voltage operation (1.65 V to 4.3 V)
• Low on-resistance - RON: 0.4 typ. at 2.7 V
• Fast switching: tON = 47 ns
tOFF = 15 ns
• miniQFN-16 package
Latch-up current > 300 mA (JESD78)
BENEFITS
Reduced power consumption
• High accuracy
• Reduce board space
• TTL/1.8 V logic compatible
High bandwidth
APPLICATIONS
Cellular phones
• Speaker headset switching
• Audio and video signal routing
• PCMCIA cards
Battery operated systems
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG2788
miniQFN-16
COM1 NO1 V+ NC4
16 15 14 13
DG2789
miniQFN-16
COM1 NO1 V+ NC4
16 15 14 13
NC1 1
IN1, IN2 2
NO2 3
COM2 4
12 COM4
NC1 1
11 NO4
IN1 2
10 IN3, IN4 NO2 3
9 NC3
COM2 4
12 COM4
11 NO4
10 EN
9 NC3
56 7 8
NC2 GND NO3 COM3
Top View
56 7 8
NC2 GND NO3 COM3
Top View
Pin 1
Axx
Device Marking: Axx for DG2788
Bxx for DG2789
xx = Date/Lot Traceability Code
Note: Pin 1 has long lead
TRUTH TABLE (DG2788)
Logic
NC1, 2, 3 and 4
0 ON
1 OFF
NO1, 2, 3 and 4
OFF
ON
TRUTH TABLE (DG2789)
EN Logic
IN Logic NC1, 2, 3 and 4 NO1, 2, 3 and 4
0 0 ON OFF
0 1 OFF ON
1
x
OFF
OFF
ORDERING INFORMATION
Temp. Range
Package
Part Number
- 40 °C to 85 °C
miniQFN-16
DG2788DN-T1-E4
DG2789DN-T1-E4
Document Number: 73863
S11-0303-Rev. E, 28-Feb-11
www.vishay.com
1
Datasheet pdf - http://www.DataSheet4U.net/




DG2788 pdf, 반도체, 판매, 대치품
www.DataSheet.co.kr
DG2788, DG2789
Vishay Siliconix
SPECIFICATIONS (V+ = 4.3 V)
Parameter
Analog Switch
Symbol
Test Conditions
Otherwise Unless Specified
V+ = 4.3 V, VIN = 0.5 or 1.6 Ve
Temp.a
Limits
- 40 °C to 85 °C
Min.b Typ.c Max.b
Unit
Analog Signal Ranged
On-Resistance
VNO, VNC,
VCOM
RON
V+ = 4.3 V, VCOM = 0.9 V, INO, INC = 100 mA
V+ = 4.3 V, VCOM = 2.5 V, INO, INC = 100 mA
Full
Room
0
V+
0.32
0.45
0.27
V
RON Flatnessd
RON Matchd
Switch Off Leakage
Currentd
RON
Flatness
RON
INO(off),
INC(offF)
ICOM(off)
V+ = 4.3 V, VCOM = 0 to V+,
INO, INC = 100 mA
V+ = 4.3 V, VNO, VNC = 0.3 V/4.0 V,
VCOM = 4.0 V/0.3 V
Full
Room
Room
Room
Full
Room
Full
-10
- 100
- 10
- 100
0.1
0.03
0.5
0.15
10
100
10
100
nA
Channel-On Leakage
Currentd
ICOM(on)
V+ = 4.3 V, VNO, VNC = VCOM = 3.0 V/4.0 V
Room
Full
- 10
- 100
10
100
Digital Control
Input High Voltage
Input Low Voltage
Input Capacitance
VINH
VINL
Cin
Full 1.6
Full
V
0.5
Full 6
pF
Input Current
IINL or IINH
Dynamic Characteristics
VIN = 0 or V+
Full - 1
1 µA
Charge Injectiond
QINJ
CL = 1 nF, VGEN = 0 V, RGEN = 0
Room
105
pC
NO, NC Off Capacitanced
Channel-On Capacitanced
CNO(off)
CNC(off)
CNO(on)
CNC(on)
f = 1 MHz
Room
Room
Room
Room
79
79
183
183
pF
Power Supply
Power Supply Range
V+
4.3 V
Power Supply Current
I+
VIN = 0 or V+
Full
1.0 µA
Notes:
a. Room = 25 °C, Full = as determined by the operating suffix.
b. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
c. Typical values are for design aid only, not guaranteed nor subject to production testing.
d. Guarantee by design, not subjected to production test.
e. VIN = input voltage to perform proper function.
f. Crosstalk measured between channels.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
www.vishay.com
4
Document Number: 73863
S11-0303-Rev. E, 28-Feb-11
Datasheet pdf - http://www.DataSheet4U.net/

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DG2788 전자부품, 판매, 대치품
www.DataSheet.co.kr
TEST CIRCUITS
DG2788, DG2789
Vishay Siliconix
Switch
Input
Logic
Input
V+
V+
NO or NC
COM
IN
GND
0V
Switch Output
VOUT
RL
50
CL
35 pF
Logic
Input
Switch
Output
CL (includes fixture and stray capacitance)
( )VOUT
VCOM
RL
RL RON
Figure 1. Switching Time
VINH
VINL
50 %
tr 5 ns
tf 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.
V+
V+
VNO
NO
COM
NC
VNC
IN
GND
RL
50
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
VOUT
Off
On
Q = VOUT x CL
Figure 3. Charge Injection
IN depends on switch configuration: input polarity
determined by sense of switch.
Document Number: 73863
S11-0303-Rev. E, 28-Feb-11
www.vishay.com
7
Datasheet pdf - http://www.DataSheet4U.net/

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