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Description

The EMIF04-EAR02M8 chip is a highly integrated device designed to suppress EMI/RFI noise for mobile phone headsets. The new LC architecture on the speaker lines provides a high attenuation value maintaining a very low serial resistance.

The μQFN-8L package offers the possibility to integrate the whole function in a very small PCB space.

Additionally, this filter includes ESD protection circuitry, which prevents damage to the protected device when subjected to ESD surges up 30 kV.

Features

■ lead-free package

■ high attenuation: -30 dB at 900 MHz

■ low cut-off frequencies: 60 MHz for speaker lines

■ high current capability: 50 mA per line

■ very low PCB space consumption: 1.5 mm x 1.7 mm

■ very thin package: 0.6 mm maximum

■ high efficiency in ESD suppression IEC6 1000-4-2 level 4

■ high reliability offered by monolithic integration

Application

■ mobile phones