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FSA4159
Low-Voltage, 1Ω SPDT Analog Switch with Power-Off Isolation
Features
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 1.65 V to 5.50 V. The device
is fabricated with sub-micron CMOS technology to
achieve fast switching speeds and is designed for
break-before-make operation.
Low ICC When the S Input is Lower Than VCC
Power-Off Isolation (VCC=0 V)
1 Ω On Resistance (RON) for 4.5 V VCC
0.25 Ω Maximum RON Flatness for 4.5 V VCC
Space-Saving, Pb-Free, 6-Lead SC70 Surface
Mount Package
Broad VCC Operating Range: 1.65 V to 5.50 V
Fast Turn-On and Turn-Of Times
Break-Before-Make Enable Circuitry
The FSA4159 features very low quiescent current even
when the control voltage is lower than the V CC supply.
This feature services mobile handset applications by
allowing direct interface with baseband processor
general-purpose I/Os.
Pb-Free “Green” Packaging
Applications
Cellular Phone
Portable Media Player
PDA
Ordering Information
Part Number
Operating
Temperature Range
Package
Packing Method
FSA4159P6X
-40°C to +85°C
6-Lead SC70, EIAJ SC88, 1.25 mm Wide
3000 Units on
Tape and Reel
FSA4159L6X
-40°C to +85°C
6-Lead MicroPak™, 1.00 mm Wide
5000 Units on
Tape and Reel
MicroPak™ is a trademark of Fairchild Semiconductor Corporation.
B1
GND
B0
S
V CC
A
Figure 1. Analog Symbols
© 2007 Fairchild Semiconductor Corporation
FSA4159 • Rev. 1.0.6
www.fairchildsemi.com
FSA4159 — Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
December 2013
B1
1
6
S
GND
2
5
V CC
B0
3
4
A
Figure 2. SC70 Pin Assignments (Top View)
S 1
6
B1
VCC 2
5
GND
A 3
4
B0
Figure 3. MicroPak™ Pin Assignment (Top View)
Pin Definitions
Pin#
SC70
Pin#
MicroPak™
Name
Description
1
6
B1
Data Ports
2
5
GND
3
4
B0
Data Ports
4
3
A
Data Ports
5
2
VCC
6
1
S
Ground
Supply Voltage
Control Input
Truth Table
Control Input (S)
Function
LOW
B0 connected to A
HIGH
B1 connected to A
© 2007 Fairchild Semiconductor Corporation
FSA4159 • Rev. 1.0.6
FSA4159 — Low-Voltage, 1 SPDT Analog Switch with Power-Off Isolation
Pin Configuration
www.fairchildsemi.com
2
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
Parameter
Supply Voltage
(1)
Min.
Max.
Unit
-0.5
6.5
V
-0.5
VCC + 0.5
V
-0.5
6.5
V
Vsw
Switch Voltage
VIN
Input Voltage
IIK
Input Diode Current
-50
mA
ISW
Switch Current (Continuous)
200
mA
Peak Switch Current (Pulsed at 1ms Duration,
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