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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
June 2007
FSA4159
Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Features
Power-Off Isolation (VCC= 0V) 1 On Resistance (RON) for 4.5V VCC 0.25 Maximum RON Flatness for 4.5V VCC Space-Saving, Pb-Free, 6-Lead SC70 Surface Mount Package Broad VCC Operating Range: 1.65V to 5.50V Fast Turn-On and Turn-Of Times Break-Before-Make Enable Circuitry Pb-Free "Green" Packaging
Description
The FSA4159 is a high-performance Single-Pole / Double-Throw (SPDT) analog switch. The device features ultra-low RON of 1 at 4.5V VCC and operates over the wide VCC range of 1.65V to 5.50V. The device is fabricated with sub-micron CMOS technology to achieve fast switching speeds and is designed for breakbefore-make operation.
Applications
Cellular Phone Portable Media Player PDA
Ordering Information
Part Number
FSA4159P6X
PbOperating Free Temperature Range
Yes -40C to +85C
Package
Packing Method
6-Lead SC70, EIAJ SC88, 1,25mm Wide 3000 on Tape and Reel
Analog Symbols
B1 GND B0
S V CC
A
Figure 1. Analog Symbols
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
www.fairchildsemi.com
FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Pin Assignments
B1 GND B0
1
6
S V CC
A
2
5
3
4
Figure 2. Pin Assignments (Top View)
Pin Definitions
Pin #
1 2 3 4 5 6
Name
B1 GND B0 A VCC S
Description
Data Ports Ground Data Ports Data Ports Supply Voltage Control Input
Truth Table
Control Input (S)
Low High
Function
B0 connected to A B1 connected to A
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Absolute Maximum Ratings
Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only.
Symbol
VCC Vsw VIN IIK ISW ISWPEAK PD TSTG TJ TL ESD Supply Voltage Switch Voltage Input Voltage
(1) (1)
Parameter
Min.
-0.5 -0.5 -0.5
Max.
6.5 VCC +-0.5 6.5 -50 200 400 180
Unit
V V V mA mA mA mW C C C V V V
Input Diode Current Switch Current (Continuous) Peak Switch Current (Pulsed at 1ms Duration, <10% Duty Cycle) Power Dissipation at 85C Storage Temperature Range Max Junction Temperature Lead Temperature (Soldering, 10 seconds) Human Body Model (JEDEC: JESD22-A114) Charged Device Model (JEDEC: JESD22-C101) Machine Model -65
+150 +150 +260 4000 1500 200
Note: 1. The input and output negative ratings may be exceeded if the input and output diode current ratings are observed.
Recommended Operating Conditions
The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings.
Symbol
VCC ASEL VSW TA JA Supply Voltage
Parameter
Control Input Voltage(2) Switch Input Voltage Operating Temperature Thermal Resistance, Still Air
Min.
1.65 0 0 -40
Max.
5.50 VCC VCC +85 350
Unit
V V V C C/W
Note: 2. Control Input must be held HIGH or LOW; it must not float.
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Electrical Characteristics
All typical values are at 25C unless otherwise specified. Symbol Parameter VCC (V)
4.50 to 5.50 VIH Input Voltage High 3.00 to 3.60 2.30 to 2.70 1.65 to 1.95 4.50 to 5.50 VIL Input Voltage Low 3.00 to 3.60 2.30 to 2.70 1.65 to 1.95 5.50 IIN Control Input Leakage 3.60 2.70 1.95 5.50 Off-Leakage Current of Port B0 and B1 3.60 2.70 1.95 5.50 On-Leakage Current of Port B0 and B1 3.60 2.70 1.95 5.50 3.60 2.70 VIN=0 or VCC VIN =0 or VCC VIN =0 or VCC VIN =0 or VCC A=1V,4.5V B0 or B1=4.5, 1 A=1V,3.0V B0 or B1=3.0, 1 A=0.5V,2.3V B0 or B1=2.3, 0.5 A=0.3V,1.65V B0 or B1=1.65 ,0.3 A=float B0 or B1=4.5, 1 A=float B0 or B1=3.0, 1 A=float B0 or B1=2.3, 0.5 A=float B0 or B1=1.65, 0.3 A=1V,4.5V B0 or B1=1V, 4.5V or floating A=1V, 3.0VB0 or B1=1V, 3.0V or floating A=0.5V, 2.3V B0 or B1=0.5V, 2.3V or floating A=0.3V, 1.65V B0 or B1=0.3V, 1.65V or floating A=0 to VCC B0 or B1=0 to VCC -2 -2 -2 -2 -10 -10 -10 -5 -20 -10 -10 -5 -20 -10 -10 2 2 2 2 10 10 10 5 20 10 10 5 20 10 10 -100 -100 -20 -20 -50 -50 -50 -20 -100 -20 -20 -20 -100 -20 -20
Conditions
TA=+25C Min. Typ. Max.
TA=-40 to +85C Min.
2.4 2.4 1.8 1.5 0.8 0.8 0.6 0.6 100 100 20 20 50 50
Max.
Unit
V
V
nA
INO(0FF), INC(OFF),
nA 50 20 100 20 nA 20 20 100 20 nA 20
INO(On), INC(On)
IA(ON)
On Leakage Current of Port A
1.95 Power Off Leakage Current of Port A & Port B
-5
5
-20
20
IOFF
0
-1
0.01
1
-5
5
A
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Electrical Characteristics (Continued)
All typical values are at 25C unless otherwise specified. Symbol Parameter VCC (V)
4.50 3.00 RPEAK Peak On Resistance 2.30
Conditions
IOUT=-100mA, B0 or B1=0 to VCC IOUT=-100mA, B0 or B1=0 to VCC IOUT=-8mA, B0 or B1=0 to VCC TA=25, IOUT=2mA, 85C B0 or B1=0 to TA = VCC 40C IOUT=-100mA, B0 or B1=2.5V IOUT=-100mA, B0 or B1=2.0V IOUT=-8mA, B0 or B1=1.8V IOUT=-2mA, B0 or B1=1.5V IOUT=-100mA, B0 or B1=2.5V IOUT=-100mA, B0 or B1=2.0V I =-8mA, B0 or B1=1.8V IOUT=-2mA B0 or B1=1.5V IOUT=-100mA, B0 or B1=1.0V, 1.5V, 2.5V IOUT=-100mA, B0 or B1=0.8V, 2.0V IOUT=-8mA, B0 or B1=0.8V, 1.8V IOUT=-2mA, B0 or B1=0.6V, 1.5V VIN=0 or VCC, IOUT=0 VIN=0 or VCC, IOUT=0 VIN=0 or VCC, IOUT=0 VIN=0 or VCC, IOUT=0
TA=+25C Min. Typ.
1.0 1.2 1.5 4.0 10.0 0.8 1.0 1.4 1.7 0.05 0.1 0.15 0.15 0.075 0.1 0.2 3.5 10 1.0 0.5 0.5 50 25.0 20.0 15.0 0.9 1.3 2.0 2.5 0.10 0.15 0.20 0.40 0.250 0.3 1.0
TA=-40 to +85C Max.
1.1 1.5 2.0 10.0
Min.
Max.
1.3 1.8 2.5 15.0
Unit
1.65
4.50 3.00 2.30 1.65 4.50 On Resistance Matching Between (4) Channels 3.00 2.30 1.65 4.50 3.00 2.30 1.65 5.50 Quiescent Supply Current 3.60 2.70 1.95
1.1 1.6 2.4 3.5 0.10 0.15 0.20 0.4 0 0.250 0.3 1.0
RON
Switch On (3) Resistance
RON
RFLAT(ON)
On Resistance (5) Flatness
500 100 50 50 nA
ICC
Notes: 3. On resistance is determined by the voltage drop between A and B pins at the indicated current through the switch. 4. RON=RON max - RON min measured at identical VCC, temperature and voltage. 5. Flatness is defined as the difference between the maximum and minimum value of on resistance over the specified range of conditions.
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
AC Electrical Characteristics
All typical value are at VCC = 1.8V, 2.5V, 3.0V, 5.0V at 25C unless otherwise specified. Symbol Parameter VCC (V)
4.50 to 5.50 tON Turn-On Time 3.00 to 3.60 2.30 to 2.70 1.65 to 1.95 4.50 to 5.50 3.00 to 3.60 tOFF Turn-Off Time 2.30 to 2.70 1.65 to 1.95 4.50 to 5.50 tBBM Break-BeforeMake Time 3.00 to 3.60 2.30 to 2.70 1.65 to 1.95 5.50 Q Charge Injection 3.30 2.50 1.65 OIRR Xtalk Off-Isolation Crosstalk 1.8 to 5.0 1.8 to 5.0 5.50 BW -3db Bandwidth 3.30 2.50 1.65 THD Total Harmonic Distortion 1.80 5.00 RL=600, VIN=0.5VPP, f=20Hz to 20kHz RL=50 f=1MHz, RL=50 f=1MHz, RL=50 CL=1.0nF, VGEN=0V, RGEN=0 B0 or B1=VCC, RL=50, CL=35pF B0 or B1=VCC, RL=50, CL=35pF B0 or B1=VCC, RL=50, CL=35pF
Conditions
TA=+25C Min.
1.0 5.0 5.0 10.0 1.0 1.0 2.0 2.0
TA=-40to+85C Max.
30.0 35.0 40.0 70.0 20.0 20.0 35.0 40.0
Typ.
16.0 21.0 28.0 50.0 13.0 15.0 20.0 28.0 3.0 6.0
Min.
1.0 3.0 5.0 10.0 1.0 1.0 2.0 2.0 0.1 1.0
Max.
35.0 50.0 50.0 75.0 30.0 30.0 50.0 50.0 20.0 40.0 45.0 70.0
Unit
Figure
ns
Figure 10
ns
Figure 10
2.0
10.0 22.0 15 11 8 6 -60 -60 180 180 180 180 .006
35.0
2.0 2.0
ns
Figure 11
pC
Figure 13
dB dB
Figure 12 Figure 12
MHz
Figure 6 Figure 7 Figure 15
% .002
Figure 9 Figure 16
Capacitance
Symbol
CIN COFF CON
Parameter
Control Pin Input Capacitance B Port Off Capacitance A Port On Capacitance
VCC (V)
0 1.65 to 5.50 1.65 to 5.50
Conditions
f=1MHz See Figure 9 f=1MHz See Figure 9 f=1MHz See Figure 9
TA = +25C Min. Typ.
1.5 12 41
Max.
Unit
pF pF pF
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Typical Performance Characteristics
1.10
R ON (Ohms)
1.00 0.90 0.80 0.70 0.60 0.50 -1.00 0.00 1.00 2.00 VIN
Figure 3. Switch RON (VCC = 4.5V)
85C 25C -40C
3.00
4.00
5.00
1.30 1.20 1.10
R ON (Ohms)
1.00 0.90 0.80 0.70 0.60 0.50 -0.50 0.50 1.50
VIN
Figure 4. Switch RON (VCC = 3.0V)
85C 25C -40C
2.50
3.50
1.50 1.40 1.30
R ON (Ohms)
1.20 1.10 1.00 0.90 0.80 0.70 0.60 -0.50 0.00 0.50 1.00 VIN
Figure 5. Switch RON (VCC = 2.3V)
85C 25C -40C
1.50
2.00
2.50
3.00
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Typical Performance Characteristics (Continued)
1 0 -1 -2 Gain (dB) -3 -4 -5 -6 -7 -8
10
100
1000
10000
Frequency (MHz)
Figure 6. Frequency Response (CL= 0pF, VCC = 5.5V)
1 0 -1 -2 Gain (dB) -3 -4 -5 -6 -7 -8
10
100
1000
10000
Frequency (MHz)
Figure 7. Frequency Response (CL= 0pF, VCC = 3.3V)
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Typical Performance Characteristics (Continued)
0
1
10
100
Off Isolation (dB)
-10 -30 -50 -70 -90
Frequency (MHz)
Figure 8. Off Isolation (VCC = 5.0V)
0.007 0.006 0.005
10
100
1000
10000
THD (%)
0.004 0.003 0.002 0.001 0.000
Frequency (MHz)
THD,V CC=1.8V THD, V CC=5.0V
Figure 9. Total Harmonic Distortion, Frequency Response (CL= 0pF)
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Test Diagrams
VCC VBn B0 or B1 A RL 50 Control Input VCC 0V
50%
tR = tF = 2.5ns VOUT CL 35pF Switch Output VOUT 0V tON 0.9 x VOUT
S GND
tOFF 0.9 x VOUT
CL includes fixture and stray capacitance.
Logic input waveforms inverted for switches that have the opposite logic sense.
Figure 10. Turn On / Off Timing
VCC B0 B1 S Control Input GND
VBn
A RL 50
VOUT CL 35pF
Control VCC Input 0V
50%
tR = tF = 2.5ns
VOUT TD
0.9 x VOUT
CL includes fixture and stray capacitance.
Figure 11. Break-Before-Make Timing
VCC 10nF Network Analyzer 0 or VCC S BO 50 GND B1 VCC A VIN 50 50
ON-LOSS = 20log OFF-ISOLATION = 20log VOUT VIN VOUT VIN VOUT VIN
VOUT
MEAS 50
REF 50
CROSSTALK = 20log
Figure 12. Off Isolation and Crosstalk
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Test Diagrams (Continued)
VCC
RGEN VGEN B0 or B1 S
A CL
VOUT
VOUT VOUT In Off Off On On Q = VOUT * CL Off Off
GND
Control Input
In
Figure 13. Charge Injection
10nF
VCC
A
S Capacitance Meter f = 1MHz B0 or B1 GND
0V or VCC
Figure 14. On / Off Capacitance Measurement Setup
VCC 10nF VIN Signal Generator 0dBm BN VIN Analyzer RL S Logic Input 0V or VCC Logic Input 0V or VCC Signal Generator 0dBm BN 10nF
VCC
A
A Analyzer RL
S
GND
GND
Figure 15. Bandwidth
Figure 16. Harmonic Distortion
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
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FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Physical Dimensions
Dimensions are in millimeters (inches) unless otherwise noted.
Figure 17. 6-Lead SC70, EIAJ SC88, 1.25mm Wide Package
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1 www.fairchildsemi.com 12
FSA4159 -- Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
(c) 2007 Fairchild Semiconductor Corporation FSA4159 Rev. 1.0.1
www.fairchildsemi.com 13

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