Product Description
California Micro Devices’ CM1418 is an L-C EMI filter array with ESD protection, which integrates two Pi filters (C-L-C) for the headset speaker. The CM1418 has component values of 117pF-3.0nH-117pF. The parts include ESD protection diodes on all input/output pins, which provide a very high level of protection for sensitive electronic components that may be subjected to electrostatic discharge (ESD). The ESD diodes

FEATUREs
• 2 channels of EMI filtering
• ±30kV ESD protection
• (IEC 61000-4-2, contact discharge)
• ±30kV ESD protection (HBM)
• OptiGuard™ Coating for improved reliability at assembly
• Greater than 35dB of attenuation at 1GHz
• 6-bump, 1.720mm x 1.220mm footprint Chip Scale Package (CSP)
• Lead-free version available

APPLICATIONs
• Headset Speaker port in mobile handsets
• I/O port protection for mobile handsets, notebook computers, PDAs etc.
• EMI filtering for data ports in cell phones, PDAs or notebook computers.