Sunnyvale, Calif. Alpha & Omega Semiconductor, Inc. (AOS) has introduced multi-line EMI filters to protect next-generation cellular handset devices from electromagnetic interference/radio frequency interference (EMI/RFI) signals and electrostatic discharge (ESD).
The 8-line AOZ8011 and 4-line AOZ8014 leverage the company's proprietary Trench Vertical Structure [TVS]2 technology that is said to optimize transient voltage suppression and EMI filtering of high-speed data lines.
The AOZ8011 and AOZ8014 provide suppression of unwanted EMI/RFI signals and ESD protection on data lines in LCD displays, and camera and I/O interfaces in handheld devices such as cell phones and PDA smartphones. The filter performance is rated at -25 dB attenuation from 800 MHz to 3.0 GHZ over the full display operating range. The device's low channel clamping voltage of 8.5 V maximum at 12 A peak pulse provides protection to sensitive IC components. Both devices provide ESD protection of ±17 kV for contact and ±17 kV for air discharge.
The AOZ8011 is packaged in a 1.6 x 4.0-mm DFN and the AOZ8014 is housed in a 2 x 2-mm DFN package.
Pricing: Starts at $0.21 for the AOZ8011DI and $0.14 for the AOZ8014DI in 1,000 units.
Availability: Available now in production quantities.
Product information: AOZ8011 and AOZ8014
Alpha & Omega Semiconductor, Inc., www.aosmd.com