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PDF FSA2457 Data sheet ( Hoja de datos )
| Número de pieza | FSA2457 | |
| Descripción | Dual DPDT Analog Data Switch | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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January 2008
FSA2457 — Dual DPDT, 5Ω Analog Data Switch
Features
Low On Capacitance for Data Path: 12pF Typical
Low On Resistance for Data Path: 5Ω Typical
Low Power Quiescent Consumption: 1μA Maximum
Wide -3db Bandwidth: > 160MHz
Packaged in:
- Pb-free 16-Lead UMLP (1.8 x 2.6mm)
4kV JEDEC: JESD22-A114 HBM
2kV JEDEC: JESD22-C101 CDM
Applications
Cell Phone, PDA, Digital Camera, Portable GPS
LCD Monitor, TV, Set-Top Box
IMPORTANT NOTE:
For additional performance information, please contact
Description
The FSA2457 is a bi-directional, low-power, dual
double-pole double-throw (4PDT) analog switch
targeted at dual 1-bit SIM/SD/MMC card and/or GPS
signal multiplexing. It is optimized for switching the
WLAN-SIM data and control signals at 52Mbps.
The FSA2457 is compatible with the requirements of 1-
bit SIM/SD/MMC cards and is ideal for interfacing to
GPS baseband processors. The FSA2457 features a
low on capacitance (CON) of 12pF to ensure high-speed
data transfer.
The FSA2457 contains special circuitry that minimizes
current consumption even when the control voltage
applied to the SEL pin is lower than the supply voltage
(VCC). This feature is especially valuable in ultra-
portable applications, such as cell phones; allowing
direct interface with the general-purpose I/Os of the
baseband processor. Other applications include
switching and connector sharing in portable cell
phones, PDAs, digital cameras, printers, and portable
GPS systems.
Ordering Information
Part Number
Top Mark
Operating
Temperature Range
FSA2457UMX
GD
-40 to +85°C
All packages are lead free per JEDEC: J-STD-020B standard.
Package
16-Lead, Quad, Ultrathin Molded Leadless Package
(UMLP), 1.8 x 2.6mm
1B1
2B1 1A
1B2
2B2 2A
1B3
2B3 3A
1B4
2B4 4A
/OE Sel
Figure 1. Analog Symbol
© 2007 Fairchild Semiconductor Corporation
FSA2457 Rev. 1.0.2
www.fairchildsemi.com
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