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Número de pieza | FSA839 | |
Descripción | SPDT Analog Switch | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
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FSA839 — Low-Voltage, 0.8Ω SPDT Analog Switch with
Power-Off Isolation
Features
Power-Off Isolation (VCC=0V)
0.8Ω Maximum On Resistance (RON) for 4.5V VCC
0.25Ω Maximum RON Flatness for 4.5V VCC
Broad VCC Operating Range: 1.65V to 5.5V
Fast Turn-On and Turn-Off Times
Control Input Switching Thresholds Independent
of VCC
Break-Before-Make Enable Circuitry
0.4mm WLCSP Packaging
ESD Performance
- HBM per JESD22-A114, I/O to GND: 8kV
- CDM per JESD22-C101:
500V
- IEC61000-4-2 Contact / Air: 8kV / 15kV
Applications
Cellular Phone
Portable Media Player
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Description
The FSA839 is a high-performance Single-Pole /
Double-Throw (SPDT) analog switch for audio
applications driven by low-voltage (1.8V) baseband
processors or ASICs. The device features ultra-low RON
of 0.8Ω (maximum) at 4.5V VCC and operates over the
wide VCC range of 1.65V to 5.5V. The device is
fabricated with sub-micron CMOS technology to
achieve fast switching speeds and is designed for
break-before-make operation.
The FSA839 interfaces between the low-voltage ASIC
and regular audio amplifiers and CODECs operating up
to a 5.5V supply range. The control circuitry allows for
1.8V (typical) signals on the control pin (Sel).
IMPORTANT NOTE:
For additional performance information, please contact
Ordering Information
Part Number
Operating
Temperature Range
Top Mark
FSA839UCX
-40°C to +85°C
N3
Eco Status
Package
Green
6-Ball WLCSP, 0.4mm Pitch
Packing
Method
Tape and
Reel
For Fairchild’s definition of “green” Eco Status, please visit: http://www.fairchildsemi.com/company/green/rohs_green.html.
© 2008 Fairchild Semiconductor Corporation
FSA839 • Rev. 1.0.0
Figure 1. Analog Symbol
www.fairchildsemi.com
1 page DC Electrical Characteristics (Continued)
All typical values are at 25°C unless otherwise specified.
Symbol Parameter
VCC (V)
Conditions
TA=+25°C
Min. Typ. Max.
TA=-40 to +85°C
Min. Max.
Unit
5.50
VSel = 1.8V
26 40
50
ICCT
Increase in ICC per
Control Input
3.60
2.70
VSel = 1.8V
VSel = 1.8V
5 15
15
20
µA
10
1.95
VSel = 1.8V
0.01 1.00
3.00
ICCZ
Supply Current
Sleep
5.50
VIN, VSel = Floating
0.5 1.0 µA
4.50
IOUT=-100mA,
B0 or B1=2.5V
0.50 0.75
0.80
RON
Switch On
Resistance(2,5)
3.00
2.25
IOUT=-100mA,
B0 or B1=2.0V
IOUT=-100mA,
B0 or B1=1.8V
0.75
1.0
0.90
1.3
1.20
Ω
1.6
1.65
IOUT=-100mA,
B0 or B1=1.2V
2.5 5.0
7.0
4.50
IOUT=-100mA,
B0 or B1=2.5V
0.05 0.10
0.10
∆ RON
On Resistance
Matching Between
Channels(3,5)
3.00
2.25
IOUT=-100mA,
B0 or B1=2.0V
IOUT=-100mA,
B0 or B1=1.8V
0.10
0.15
0.15
0.20
0.15
Ω
0.20
1.65
IOUT=-100mA,
B0 or B1=1.2V
0.15 0.40
0.40
4.50
IOUT=-100mA, B0 or
B1=1.0V, 1.5V, 2.5V
0.075 0.250
0.250
RFLAT(ON)
On Resistance
Flatness(4,5)
3.00
2.25
IOUT=-100mA,
B0 or B1=0.8V, 2.0V
IOUT=-100mA,
B0 or B1=0.8V, 1.8V
0.1
0.25
0.3
0.50
0.3
Ω
0.60
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1.65
IOUT=-100mA,
B0 or B1=0.6V, 1.2V
3.5
Notes:
2. On resistance is determined by the voltage drop between A and B pins at the indicated current through the switch.
3. ∆ RON=RON maximum – RON minimum; measured at identical VCC, temperature, and voltage.
4. Flatness is defined as the difference between the maximum and minimum value of on resistance over the
specified range of conditions.
5. Guaranteed by characterization, not production tested for VCC=1.65 – 1.95V.
© 2008 Fairchild Semiconductor Corporation
FSA839 • Rev. 1.0.0
5
www.fairchildsemi.com
5 Page |
Páginas | Total 10 Páginas | |
PDF Descargar | [ Datasheet FSA839.PDF ] |
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