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Industry’s First EMI Filters Arrays with ESD Protection in TDFN Packages

Phoenix, Ariz. — ON Semiconductor's electromagnetic interference (EMI) filter arrays with electrostatic discharge (ESD) protection deliver maximum filtering in TDFN packages for high-resolution displays and mega pixel camera interfaces in advanced cellular phones.

Specifically designed for high-speed data interfaces in mobile phones, these 4-channel, 6-channel and 8-channel filters provide superior performance and reliability in a drop-in replacement footprint (1.35mm x 3mm) to traditional chip-scale packages.

Low EMI and RFI susceptibility is essential to achieving robust signal integrity in advanced mobile handset that feature high resolution displays, cameras, internet access, television and other advanced options, said Manisha Pandya, ON Semiconductor's director of portable applications. “Additionally, the new integrated filters reduce board space by 40% — replacing up to 24 discrete components,” Pandya added.

All the new devices deliver excellent S21 characteristics with extremely low parasitic inductance (10 pH to 20 pH) due to the TDFN package ground pad. These devices are capable of attenuating unwanted signals over RF band between 800 MHz and 2.9 GHz. Each device features an application specific cut-off frequency (95 MHz to 110 MHz) optimized for LCD display and camera interfaces.

The NUF4402 is a low capacitance 4-channel EMI filter with ESD protection designed for filtering signals in LCD display and camera interfaces with maximum data rate up to 54 Mbits/s per line. It is offered in a TDFN package and priced at 25 cents in 10,000-unit quantities.

The NUF6401 is a 6-channel EMI filter with ESD protection that is capable of attenuating unwanted signals at 35 dB over radio frequency band between 800 MHz and 2.7 GHz. The device is offered in a TDFN package and priced at 33 cents in 10,000-unit quantities.

The NUF8401 is a low-capacitance 8-channel EMI filter with ESD protection designed for filtering data lines in LCD displays and camera interfaces with a maximum data rate of up to 54 Mbits/s per line. It is offered in a TDFN package and priced at 44 cents in 10,000-unit quantities.

Data Sheets:

Click here for the NUF4402 data sheet.

Click here for the NUF6401 data sheet.

Click here for the NUF8401 data sheet.

Readers can contact On Semiconductor by phone at: (602) 244-6600.

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