FSA859 Datasheet PDF - Fairchild Semiconductor
| Part Number | FSA859 | |
| Description | SPDT Analog Switch | |
| Manufacturers | Fairchild Semiconductor | |
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August 2008
FSA859 — Dual-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 Referenced to VIO
Break-Before-Make Enable Circuitry
0.5mm WLCSP packaging
ESD Performance
- HBM: JESD22-A114, I/O to GND 8kV
- CDM: JESD22-C101
500V
- IEC61000-4-2 Contact / Air 8kV / 15kV
Applications
Cellular Phone
Portable Media Player
PDA
www.DataShOeertd4Ue.croimng Information
Description
The FSA859 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 FSA859 interfaces between the low-voltage ASIC
and regular audio amplifiers and CODECs operating up
to the supply range of 5.5V through the dual-voltage
supplies of VIO and VCC. The VIO supply operates the
control circuitry, allowing for 1.8V (typical) signals on
the control pin (Sel).
IMPORTANT NOTE:
For additional performance information, please contact
Part
Number
Operating
Temperature Range
Top Mark
FSA859UCX -40°C to +85°C
N2
Eco Status
Package
Green
8-Ball WLCSP, 0.5mm 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.
Analog Symbols
Sel Control
B1
Vcc
Vio
© 2007 Fairchild Semiconductor Corporation
FSA859 Rev. 1.0.1
B0 A
GND
Figure 1. Analog Symbol
www.fairchildsemi.com
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Electrical Characteristics (Continued)
All typical values are at 25°C unless otherwise specified. VIO=1.65 to 1.95V.
Symbol Parameter
VCC (V)
Conditions
TA=+25°C
TA=-40 to +85°C Unit
Min. Typ. Max. Min. Max.
4.50
IOUT=-100mA,
B0 or B1=2.5V
0.50 0.75
0.80
RON
Switch On
Resistance(3,6)
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
1.2
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(4,6)
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(5,6)
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
0.6
1.65
IOUT=-100mA,
B0 or B1=0.6V, 1.2V
3.5
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 maximum – RON minimum 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.
6. Guaranteed by characterization, not production tested for VCC=1.65 – 1.95V.
www.DataSheet4U.com
© 2007 Fairchild Semiconductor Corporation
FSA859 Rev. 1.0.1
5
www.fairchildsemi.com
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| Information | Total 10 Pages | |
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