CSPRC032A Просмотр технического описания (PDF) - California Micro Devices Corp
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CSPRC032A Datasheet PDF : 5 Pages
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CSPRC032A
4 Channel EMI Filter Network
Features
• 4 EMI filter lines per device
• Filters attenuate to –30dB at 3GHz
• CSP package minimizes cross-talk
• 9-bump 2.485mm X 0.985mm Chip Scale
Package (CSP), 0.5mm pitch
• 0.30mm Eutectic solder bumps
• Ultra small footprint suitable for portable devices
• Lead-free version available
Applications
• EMI filtering for RF sections of wireless devices
• Cellular phones
• Cordless phones
• Internet appliances
• PDAs
• Laptop computers
Product Description
The CSPRC032A is a 4-channel low pass EMI filter (R-
C-R configuration) in a Chip Scale Package (CSP).
Many portable applications require the attenuation of
signals in the 800-3000 MHz band. California Micro
Devices’ unique thin film technology provides a mini-
mum of –25dB of attenuation over this frequency band.
The bump size and pitch of these filters are selected
such that the device can be placed directly on an FR4
printed circuit board using conventional assembly tech-
niques. The pin-out for the device features a signal
‘flow through’ design, allowing optimal signal routing.
The solder bump contacts are a 63/37 Sn/Pb alloy (Sn/
Ag/Cu for lead-free finish) and are 0.30 mm in diame-
ter.
The CSPRC032A is available in a space-saving, low-
profile Chip Scale Package with optional lead-free fin-
ishing.
Electrical Schematic
A1 50Ω
R
50Ω B1
CR
43pF
A2 50Ω GND 50Ω B2
R
CR
43pF
GND
B3
GND
A4 50Ω
50Ω B4
R
CR
43pF
GND
A5 50Ω
50Ω B5
R
CR
43pF
GND
© 2005 California Micro Devices Corp. All rights reserved.
11/09/05
490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.cmd.com
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