Vishay DG2749DN-T1-E4 0.4-î©, low voltage, dual spst analog switch Datasheet

DG2747/DG2748/DG2749
Vishay Siliconix
0.4-Ω, Low Voltage, Dual SPST Analog Switch
DESCRIPTION
FEATURES
The DG2747, DG2748, and DG2749 are high performance,
low on-resistance analog switches of dual SPST
configuration.
• Wide operation voltage range: 1.6 V to 4.3 V
• Low on-resistance: 0.4 Ω typ. at 2.7 V
• Low voltage logic threshold:
Vth(high) = 1.4 V at V+ = 3 V
• - 100 dB crosstalk
• > 250 mA latch up current per JESD78
• Switch exceeds 7 kV ESD/HBM
Built on Vishay Siliconix's sub-micro CMOS technology, the
DG2747/2748/2749 achieve switch on-resistance of 0.4 Ω at
2.7 V V+ and 0.3 Ω at 4.3 V V+. It provides 0.1 Ω flatness at
2.7 V V+, and total harmonic distortion to 0.03 % (frequency
range 20 Hz to 20 kHz). It achieves - 72 dB off-isolation and
- 100 dB crosstalk at 100 kHz. Its - 3 dB bandwidth is up to
78 MHz.
RoHS
COMPLIANT
BENEFITS
•
•
•
•
It can switch signals with amplitudes of up to VCC to be
transmitted in either direction.
The select pins of the control logic can tolerate voltages
above V+. Logic high is 1.4 V to make it compatible with
many low voltage digital control circuits.
Ultra small miniQFN8 package of 1.4 x 1.4 x 0.55 mm
High fidelity audio switch
Reed relay replacement
Low power consumption
APPLICATIONS
Combining wide operation voltage, low power, high speed,
low on-resistance and small physical size, the DG2747/2748/
2749 are ideal for portable and battery powered applications
requiring high performance and efficient use of board space.
•
•
•
•
•
The DG2747/2748/2749 come in a small miniQFN-8lead
package (1.4 x 1.4 x 0.55 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.
Cellular phones
Portable media player
GPS
PCMCIA cards
Medical and test equipment
FUNCTIONAL BLOCK DIAGRAM AND PIN CONFIGURATION
DG2747
miniQFN-8L
DG2748
miniQFN-8L
V+
V+
(Top View)
8
IN1
1
7
(Top View)
8
IN2
IN1
1
7
IN2
COM1
2
6
COM2
NC1
3
5
NC2
Dx
COM1
NO1
2
6
COM2
3
5
NO2
Ex
Pin 1
Device Marking: Dx for DG2747
x = Date/Lot Traceability Code
Pin 1
4
4
GND
GND
Top View
Top View
Device Marking: Ex for DG2748
x = Date/Lot Traceability Code
DG2749
miniQFN-8L
V+
8
(Top View)
IN1
1
7
IN2
COM1
2
6
COM2
NC1
3
5
NC2
Fx
Pin 1
4
Device Marking: Fx for DG2749
x = Date/Lot Traceability Code
GND
Top View
Document Number: 69977
S-80899-Rev. A, 21-Apr-08
www.vishay.com
1
DG2747/DG2748/DG2749
Vishay Siliconix
TRUTH TABLE
DG2747
Logic
DG2748
DG2749
COM1 and NO1
COM2 and NO2
COM1 and NC1
COM2 and NC2
COM1 and NC1
COM2 and NO2
Low
OFF
OFF
ON
ON
ON
OFF
High
ON
ON
OFF
OFF
OFF
ON
ORDERING INFORMATION
Temp. Range
Package
Part Number
- 40 °C to 85°C
miniQFN-8L
DG2747DN-T1-E4
DG2748DN-T1-E4
DG2749DN-T1-E4
ABSOLUTE MAXIMUM RATINGS TA = 25 °C, unless otherwise noted
Parameter
Reference to GND
V+
IN, COM, NC, NOa
Limit
- 0.3 to 5.0
- 0.3 to (V+ + 0.3)
30
± 300
± 500
- 65 to 150
190
Unit
V
Current (Any terminal except NO, NC or COM)
Continuous Current (NO, NC, or COM)
mA
Peak Current (Pulsed at 1 ms, 10 % duty cycle)
Storage Temperature (D Suffix)
°C
Power Dissipation (Packages)b
miniQFN-8Lc
mW
Notes:
a. Signals on NC, NO, or COM or IN exceeding V+ will be clamped by internal diodes. Limit forward diode current to maximum current ratings.
b. All leads welded or soldered to PC board.
c. Derate 2.4 mW/°C above 70 °C.
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Document Number: 69977
S-80899-Rev. A, 21-Apr-08
DG2747/DG2748/DG2749
Vishay Siliconix
SPECIFICATIONS V+ = 3 V
Parameter
Symbol
Limits
- 40 to 85 °C
Test Conditions
Unless Otherwise Specified
V+ = 3 V, ± 10 %,VIN = 0.4 V or 1.4 Ve
Temp.a
Min.b
RDS(on)
Full
0
Typ.c
Max.b
Unit
V+
V
Analog Switch
Analog Signal Ranged
Vanalog
V+ = 2.7 V, INO/NC = 100 mA, VCOM = 0.5 V
On-Resistance
RDS(on)
V+ = 2.7 V, INO/NC = 100 mA, VCOM = 1.5 V
V+ = 2.7 V, INO/NC = 100 mA, VCOM = 0.5 V
V+ = 2.7 V, INO/NC = 100 mA, VCOM = 1.5 V
RON Matchd
RON Resistance Flatnessd
Channel-On Leakage
Current
0.03
Ω
Room
RON
flatness
V+ = 2.7 V, INO/NC = 100 mA,
VCOM = 0.5 V, 1.5 V
Room
ICOM(off)
ICOM(on)
V+ = 4.3 V, VNO/NC = VCOM = 3.3 V/1.0 V
0.6
0.7
V+ = 2.7 V, INO/NC = 100 mA,
VCOM = 0.5 V, 1.5 V
V+ = 4.3 V, VNO/NC = 1.0 V/3.3 V,
VCOM = 3.3 V/1.0 V
0.4
Full
ΔRON
INO/NC(off)
Switch Off Leakage
Current
Room
0.1
0.2
Room
-2
2
Full
- 10
10
Room
-2
2
Full
- 10
10
Room
Full
-2
2
- 10
10
1.4
nA
Digital Control
Input High Voltage
VINH
Full
Input Low Voltage
VINL
Full
IINL or IINH
Input Current
VIN = 0 or V+
Full
V
0.4
-1
1
µA
Dynamic Characteristics
Turn-On Timee
tON
Turn-Off Timee
tOFF
Charge Injectiond
Off-Isolationd
Crosstalkd
Q
CL = 1 nF, RGEN = 0 Ω, VGEN = 0 V
Room
OIRR
RL = 50 Ω, CL = 5 pF, f = 100 kHz
3 dB bandwidthd
CNX(off)
14
Full
Room
XTALK
Source Off Capacitanced
Room
V+ = 2.7 V to 3.6 V, VNO or VNC = 1.5 V,
RL = 50 Ω, CL = 35 pF
12
Full
pC
- 52
- 72
Room
dB
- 80
RL = 50 Ω, CL = 5 pF, f = 100 kHz
- 100
RL = 50 Ω, CL = 5 pF
Room
78
f = 1 MHz, VNX = 0 V
Room
75
CCOM(off)
f = 1 MHz, VCOM = 0 V
Room
55
d
CCOM(on)
f = 1 MHz, VCOM = VNX = 0 V
Room
100
THD
V+ = 2.7 V to 3.6 V, VIN = 0.5 Vp-p
F = 20 Hz to 20 kHz
Room
0.03
VIN = 0 or V+
Full
Total Harmonic Distortiond
ns
27
Drain Off Capacitanced
Drain On Capacitance
25
10
RL = 50 Ω, CL = 5 pF, f = 1 MHz
RL = 50 Ω, CL = 5 pF, f = 1 MHz
25
27
MHz
pF
%
Power Supply
Power Supply Range
V+
Power Supply Current
I+
1.6
4.3
V
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.
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.
Document Number: 69977
S-80899-Rev. A, 21-Apr-08
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3
DG2747/DG2748/DG2749
Vishay Siliconix
TYPICAL CHARACTERISTICS TA = 25 °C, unless otherwise noted
1.4
0.6
0.5
RDS(on) - On-Resistance (Ω)
R DS(on) - On-Resistance (Ω)
V+ = 2.7 V
+ 85 °C
TA = 25 °C
V+ = 1.6 V
1.2
1.0
V+ = 2.7 V
0.8
V+ = 3.6 V
V+ = 3 V
0.6
V+ = 4.3 V
0.4
0.4
0.3
+ 25 °C
- 40 °C
0.2
0.1
0.2
0
0
0
1
2
3
4
5
0
0.5
VCOM (VD) - Analog Voltage (V)
1
1.5
2
3
VCOM (VD) - Analog Voltage (V)
RDS(ON) vs. VD and Supply Voltage
RDS(ON) vs. VD and Temperature
10000
100
V+ = 4.3 V
ICOM(off)
10
Leakage Current (pA)
I+ - Supply Current (nA)
2.5
1.0
1000
INO(off)
100
10
0.1
V+ = 4.3 V
ICOM(on)
0
- 40
- 20
0
20
40
60
80
1
- 40
100
0
20
40
60
80
Temperature (°C)
Supply Current vs. Temperature
Leakage Current vs. Temperature
100
18
1500
1000
I COM(on)
14
500
0
- 500
I COM(off)
- 1000
C L = 1 nF
Drain
16
I NO(off)
Q - Charge Injection (pC)
Leakage Current (pA)
- 20
Temperature (°C)
- 1500
12
10
8
6
4
V+ = 4.3 V
- 2000
V+ = 3 V
V+ = 3.6 V
V+ = 2.7 V
2
- 2500
0
0
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4
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0
0.5
1
1.5
2
2.5
3
3.5
VCOM - Analog Voltage (V)
Analog Voltage (V)
Leakage vs. Analog Voltage
Charge Injection vs. Analog Voltage
4
Document Number: 69977
S-80899-Rev. A, 21-Apr-08
DG2747/DG2748/DG2749
Vishay Siliconix
TYPICAL CHARACTERISTICS TA = 25 °C, unless otherwise noted
0
V+ = 3 V
R L = 50 Ω
t OFF V+ = 3.6 V
-2
LOSS (dB)
14
t ON V+ = 2.7 V
12
t OFF V+ = 2.7 V
10
-3
-4
t ON V+ = 3.6 V
8
6
- 40
VT - Switching Threshold (V)
-1
16
-5
- 20
0
20
40
60
-6
100k
80
100M
Frequency (Hz)
Insertion Loss vs. Frequency
0
1.4
- 10
- 40 °C to 85 °C
- 20
1.2
1.1
1.0
0.9
0.8
0.7
- 30
OIRR
- 40
- 50
- 60
XTALK
- 70
- 80
V+ = + 3 V
R L = 50 Ω
- 90
0.6
0.5
1.5
10M
Temperature (°C)
1.5
1.3
1M
Switching Time vs. Temperature
Loss, OIRR, X TALK (dB)
tON, t OFF - Switching Time (ns)
18
- 100
- 110
2.0
2.5
3.0
3.5
4.0
V+ - Supply Voltage (V)
Switching Threshold vs. Supply Voltage
Document Number: 69977
S-80899-Rev. A, 21-Apr-08
4.5
100k
1M
10M
100M
Frequency (Hz)
Off-Isolation and Crosstalk vs. Frequency
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DG2747/DG2748/DG2749
Vishay Siliconix
TEST CIRCUITS
V+
Logic
Input
V+
COM
NO or NC
Switch
Input
VINH
tr < 5 ns
tf < 5 ns
50 %
VINL
Switch Output
VOUT
0.9 x V OUT
Logic
Input
Switch
Output
IN
RL
50 Ω
GND
CL
35 pF
0V
tON
tOFF
0V
Logic "1" = Switch On
Logic input waveforms inverted for switches that have
the opposite logic sense.
CL (includes fixture and stray capacitance)
VOUT = VCOM
(R L
RL
+ R
ON
)
Figure 1. Switching Time
V+
VINH
Logic
Input
VNO2
V+
COM2
NO2
VO2
IN2
VNC1
Switch
Output
IN1
RL2
50 Ω
GND
90 %
VO1
COM1
NC 1
50 %
VINL
VNO2
VO2
RL1
50 Ω
CL2
35 pF
CL1
35 pF
0V
VNC1
VO1
0V
Switch
Output
90 %
tD
tD
CL (includes fixture and stray capacitance)
Figure 2. Break-Before-Make (DG2749)
ΔVO
V+
Rg
Vg
VIN = 0 - V+
VO
INX
V+
NC or NO
IN
OFF
COM
ON
OFF
VO
CL
1 nF
GND
INX
OFF
ON
Q = ΔVO x CL
OFF
Figure 3. Charge Injection
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Document Number: 69977
S-80899-Rev. A, 21-Apr-08
DG2747/DG2748/DG2749
Vishay Siliconix
TEST CIRCUITS
V+
V+
NC or NO
0 V, V+
IN
COM
RL
Analyzer
GND
VCOM
Off Isolation = 20 log V
NO / NC
Figure 4. Off-Isolation
V+
C
NO1 or NC1
VS
Rg = 50 Ω
V+
COM1
50 Ω
IN1
0 V, V+
NO2 or NC2
0 V, V+
COM 2
VO
RL
IN2
GND
XTALK Isolation = 20 log
VO
VS
C = RF bypass
Figure 5. Crosstalk
V+
V+
COM
Meter
IN
0 V, V+
NC or NO
HP4192A
Impedance
Analyzer
or Equivalent
GND
f = 1 MHz
Figure 6. Channel Off/On Capacitance
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon
Technology 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?69977.
Document Number: 69977
S-80899-Rev. A, 21-Apr-08
www.vishay.com
7
Legal Disclaimer Notice
Vishay
Disclaimer
All product specifications and data are subject to change without notice.
Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf
(collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained herein
or in any other disclosure relating to any product.
Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any
information provided herein to the maximum extent permitted by law. The product specifications do not expand or
otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed
therein, which apply to these products.
No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this
document or by any conduct of Vishay.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications unless
otherwise expressly indicated. Customers using or selling Vishay products not expressly indicated for use in such
applications do so entirely at their own risk and agree to fully indemnify Vishay for any damages arising or resulting
from such use or sale. Please contact authorized Vishay personnel to obtain written terms and conditions regarding
products designed for such applications.
Product names and markings noted herein may be trademarks of their respective owners.
Document Number: 91000
Revision: 18-Jul-08
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