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PDF CSPEMI205G Data sheet ( Hoja de datos )
| Número de pieza | CSPEMI205G | |
| Descripción | 3-Channel Headset Microphone EMI Filter | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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3-Channel Headset Microphonewww.DataSheet4U.com
EMI Filter with ESD Protection
CSPEMI205G
Features
• Three channels of EMI filtering, two for earpiece
speakers and one for a microphone
• Pi-style EMI filters in a capacitor-resistor-
capacitor (C-R-C) network
• Chip Scale Package features extremely low
parasitic inductance for optimum filter
performance
• Greater than 30dB relative attenuation in the 800-
2700MHz range
• +8kV ESD protection on each channel
(IEC 61000-4-2 Level 4, contact discharge)
• +15kV ESD protection on each channel (HBM)
• 8-bump, 1.41mm X 1.430mm footprint Chip Scale
Package (CSP)
• RoHS compliant (lead-free) finishing
Applications
• EMI filtering and ESD protection for headset
microphone and speaker
• Cellular / Mobile Phones
• Notebooks and Personal Computers
• Handheld PCs / PDAs / Tablets
• Wireless Handsets
• Digital Camcorders
Product Description
The CSPEMI205G is a low-pass filter array
integrating three pi-style filters (C-R-C) that reduce
EMI/RFI emissions while at the same time providing
ESD protection. This device is custom-designed to
interface with the headset port on a cellular
telephone, and contains two different filter values.
Each high quality filter provides more than 30dB
attenuation in the 800-2700 MHz range. These pi-
style filters support bidirectional filtering, controlling
EMI both to and from the microphone and speaker
elements. They also support bipolar signals, enabling
audio signals to pass through without distortion.
In addition, the CSPEMI205G provides a very high
level of protection for sensitive electronic components
that may be subject to electrostatic discharge (ESD).
The input pins safely dissipate ESD strikes of +8kV,
the maximum requirement of the IEC 61000-4-2
international standard. Using the MIL-STD-883
(Method 3015) specification for Human Body Model
(HBM) ESD, the device provides protection for
contact discharges to greater than +15kV.
The CSPEMI205G is particularly well suited for
portable electronics (e.g., cellular telephones, PDAs,
notebook computers) because of its small package
format and low weight. The CSPEMI205G is
available in a space-saving, low-profile Chip Scale
Package with RoHS compliant lead-free finishing.
©2010 SCILLC. All rights reserved.
April 2010 Rev. 3
Publication Order Number:
CSPEMI205G/D
1 page  
CSPEMI205G
www.DataSheet4U.com
Performance Information
Typical Filter Performance (nominal conditions unless specified otherwise, 50 Ohm Environment)
Figure 1. Earpiece Circuit (A1-C1) EMI Filter Performance
Figure 2. Earpiece Circuit (A3-C3) EMI Filter Performance
Rev. 3 | Page 5 of 9 | www.onsemi.com
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet CSPEMI205G.PDF ] | |
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