PHOENIX, Ariz. – May 24, 2011 –

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Highly integrated EMI2121, EMI4182 and EMI4183 provide effective EMI filtering plus ESD protection in single device

Common Mode Filter Image

PHOENIX, Ariz. – May 24, 2011 – ON Semiconductor (Nasdaq: ONNN) a premier supplier of high performance silicon solutions for energy efficient electronics has introduced a new range of common mode filter (CMF) devices with integrated electrostatic discharge (ESD) protection to suppress noise and provide strong signal integrity. The new EMI2121, EMI4182 and EMI4183 devices are highly suitable for implementation in smartphones, media tablets, wireless connectivity dongles and digital camcorders, as well as set top boxes and DVD players.

Unlike traditional electromagnetic interference (EMI) filters, the new CMFs from ON Semiconductor are realized in silicon making them better suited to suppress EMI to deeper levels and at higher frequencies than ceramics or ferrite based solutions. Integrating ESD protection with EMI suppression offers space savings of up to 50 percent compared to competitive solutions, translates into significant bill-of-materials (BOM) savings and is a turnkey solution for wireless handset designers.

“Integrated ESD protection proves to be an important consideration for design engineers when making component selections for high speed serial interfaces,” said Gary Straker, vice president and general manager of ON Semiconductor’s Protection Products Division. “The EMI2121, EMI4182 and EMI4183 are the result of ongoing collaboration with several Top Eight smartphone and tablet manufacturers who are creating products with larger, higher resolution displays and supporting increasingly bandwidth-intensive applications, while still looking to meet consumer demand for sleek, compact designs.”

The EMI2121 single pair CMF, EMI4182 dual pair CMF and EMI4183 triple pair CMF all offer a common mode rejection of 15 decibels (dB) (typical) at 500 megahertz (MHz) and an insertion loss of only 1.0 dB (typical) at 500 MHz. Their high differential mode bandwidth cutoff frequency ensures high levels of signal integrity. The devices feature integrated ESD protection that meets a peak discharge of 15 kilovolts (kV) per the IEC61000-4-2 standard. They support an operating temperature range of −40 ⁰C to +85 ⁰C, and each have a clamping voltage of 32 volts (V), which typically is at least thirty times better than existing ceramic solutions.

“The attachment rate of serial interfaces is multiples faster than handset market growth,” stated Tina Teng, senior analyst at IHS iSuppli. “This is primarily due to the adoption of high speed interfaces such as MIPI for camera and display as well as the feature set additions in HDMI and high end feature phone, smartphone and media tablet markets.”

The new devices are optimized for protecting high speed differential ports using the Mobile Industry Processor Interface (MIPI) DSI, and MIPI CSI2 interface standards, as well as USB 2.0 - the current versions of High-Definition Multimedia Interface (HDMI). The protected CMF family of products supports data speeds of up to 3.4 Gbps, well above what is required for the MIPI, USB 2.0, and HDMI interfaces, while providing high levels of signal integrity.

Packaging and Pricing
The EMI2121 is offered in a 2.2 mm x 2.0 mm x 0.75 mm QDFN8 package and is priced at $0.19 per unit in 10,000 unit quantities. The EMI4182 is offered in a 2.5 mm x 2.0 mm x 0.75 mm 10 pin WDFN package and is priced at $0.25 per unit in 10,000 unit quantities and the EMI4183 is offered in a 4.0 mm x 2.0 mm x 0.75 mm 16 pin WDFN package and priced at $0.39 per unit in 10,000 unit quantities. Both the EMI4183 and EMI4182 are available now with the EMI2121 releasing in June.

About onsemi

onsemi (Nasdaq: ON) is driving disruptive innovations to help build a better future. With a focus on automotive and industrial end-markets, the company is accelerating change in megatrends such as vehicle electrification and safety, sustainable energy grids, industrial automation, and 5G and cloud infrastructure. With a highly differentiated and innovative product portfolio, onsemi creates intelligent power and sensing technologies that solve the world’s most complex challenges and leads the way in creating a safer, cleaner, and smarter world.

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