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CM1426 Datasheet(PDF) 1 Page - California Micro Devices Corp |
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CM1426 Datasheet(HTML) 1 Page - California Micro Devices Corp |
1 / 13 page © 2005 California Micro Devices Corp. All rights reserved. 08/30/05 490 N. McCarthy Blvd., Milpitas, CA 95035-5112 ● Tel: 408.263.3214 ● Fax: 408.263.7846 ● www.calmicro.com 1 CM1426 PRELIMINARY LCD and Camera EMI Filter Array with ESD Protection Features • Four, six and eight channels of EMI filtering with integrated ESD protection • 0.5mm pitch, 10-bump, 1.96mm x 1.33mm foot- print Chip Scale Package (CM1426-04) • 0.5mm pitch, 15-bump, 2.96mm x 1.33mm foot- print Chip Scale Package (CM1426-06) • 0.5mm pitch, 20-bump, 3.96mm x 1.33mm foot- print Chip Scale Package (CM1426-08) • Pi-style EMI filters in a capacitor-resistor-capacitor (C-R-C) network • ±8kV ESD protection on each channel (IEC 61000-4-2 Level 4, contact discharge) • ±15kV ESD protection on each channel (HBM) • Greater than 20dB attenuation (typical) at 1 GHz • Chip Scale Package features extremely low lead inductance for optimum filter and ESD performance • Optiguard ™ coated for improved reliability at assembly • Lead-free version available Applications • LCD and Camera data lines 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. • Wireless handsets • Handheld PCs/PDAs • LCD and camera modules Product Description The CM1426 is a family of pi-style EMI filter arrays with ESD protection, which integrates four, six and eight fil- ters (C-R-C) in a Chip Scale Package with 0.50mm pad pitch. The CM1426 has component values of 8.5pF-100 Ω-8.5pF per channel. The CM1426 has a cut-off frequency of 230MHz and can be used in appli- cations where the data rates are as high as 92Mbps. The parts include avalanche-type ESD diodes on every pin, which provide a very high level of protection for sensitive electronic components that may be subjected to electrostatic discharge (ESD). The ESD protection diodes safely dissipate ESD strikes of ±8kV, well beyond the maximum requirement of the IEC61000-4- 2 international standard. Using the MIL-STD-883 (Method 3015) specification for Human Body Model (HBM) ESD, the pins are protected for contact dis- charges at greater than ±15kV. These devices are particularly well-suited for portable electronics (e.g. wireless handsets, PDAs, notebook computers) because of their small package and easy- to-use pin assignments. In particular, the CM1426 is ideal for EMI filtering and protecting data and control lines for the I/O data ports, LCD display and camera interface in mobile handsets. The CM1426 incorporates Optiguard ™ which results in improved reliability at assembly. The CM1426 is avail- able in a space-saving, low-profile Chip Scale Package with optional lead-free finishing. 100 Ω 8.5pF 8.5pF FILTER+ESDn* GND* FILTER+ESDn* Electrical Schematic 1 of 4, 6 or 8 EMI/RFI + ESD Channels * See Package/Pinout Diagram for expanded pin information. (Pins B1-Bm) (Pins A1-An) (Pins C1-Cn) |
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