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CM1422-03CP Datasheet(PDF) 1 Page - California Micro Devices Corp |
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CM1422-03CP Datasheet(HTML) 1 Page - California Micro Devices Corp |
1 / 12 page © 2004 California Micro Devices Corp. All rights reserved. 04/27/04 430 N. McCarthy Blvd., Milpitas, CA 95035-5112 ▲ Tel: 408.263.3214 ▲ Fax: 408.263.7846 ▲ www.calmicro.com 1 CM1420/22 LCD EMI Filter Array with ESD Protection Features • Functionally and pin compatible with CSPEMI606 (CM1420) and CSPEMI608 (CM1422) devices • OptiguardTM coated for improved reliability at assembly • Six and eight channels of EMI filtering • + 15kV ESD protection on each channel (IEC 61000-4-2 Level 4, contact discharge) • + 30kV ESD protection on each channel (HBM) • Better than 30dB of attenuation at 1GHz to 3GHz • Chip Scale Package features extremely low lead inductance for optimum filter and ESD performance • 15-bump, 2.960mm x 1.330mm footprint Chip Scale Package (CM1420) • 20-bump, 4.000mm x 1.458mm footprint Chip Scale Package (CM1422) • Lead-free version available Applications • LCD data lines in clamshell wireless handsets • EMI filtering & ESD protection for high-speed I/O data ports • Wireless handsets / cell phones • Notebook computers • PDAs / Handheld PCs • EMI filtering for high-speed data lines Product Description CAMD's CM1420 and CM1422 are EMI filter arrays with ESD protection, which integrate six and eight Pi- filters (C-R-C), respectively. The CM1420/22 has com- ponent values of 15pF-100 Ω-15pF. These devices include ESD protection diodes on every pin, which pro- vide a very high level of protection for sensitive elec- tronic components that may be subjected to electrostatic discharge (ESD). The ESD diodes con- nected to the filter ports are designed and character- ized to safely dissipate ESD strikes of ±15kV, beyond the maximum requirement of the IEC 61000-4-2 inter- national standard. Using the MIL-STD-883 (Method 3015) specification for Human Body Model (HBM) ESD, the pins are protected for contact discharges at greater than ±30kV. This device is particularly well suited for portable elec- tronics (e.g. wireless handsets, PDAs, notebook com- puters) because of its small package format and easy- to-use pin assignments. In particular, the CM1420/22 is ideal for EMI filtering and protecting data lines from ESD for the LCD display in clamshell handsets. The CM1420 and CM1422 incorporate OptiguardTM coating which results in improved reliability at assem- bly. The CM1420 and CM1422 are available in space- saving, low-profile chip-scale packages with optional lead-free finishing. Electrical Schematic 100 Ω 15pF 15pF FILTERn* GND FILTERn* * See Package/Pinout Diagram for expanded pin information. (Pins B1-Bn) 1 of n EMI Filtering + ESD Channels (n=6 for CM1420, 8 for CM1422) |
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