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.