CM1410 Datasheet | California Micro Devices

Features - - - - - - - - - - - - Functionally and pin patible with CSPEMI200A device Pi-style EMI filters in a capacitor-resistor-capacitor (C-R-C) network Four channels of EMI filtering with ESD protection Includes 1 channel of ESD-only protection Greater than 30d B attenuation at 1GHz +8k V ESD protection on each channel (IEC 61000-4-2 Level 4, contact discharge) +15k V ESD protection on each channel (HBM) Supports bipolar signals- ideal for audio applications Chip Scale Package features extremely low lead inductance for optimum filter and ESD performance 11-bump, 2.046mm X 1.436mm footprint Chip Scale Package (CSP) Optiguard™ coated for improved reliability at assembly Lead-free version available Product Description The CM1410 is a quad low-pass filter array integrating four pi-style filters (C-R-C) that reduce EMI/RFI emissions while at the same time providing ESD protection. This device is custom-designed to interface with the headset port on a cellular telephone, and contains 3 different filter values. Each high quality filter provides more than 20d B attenuation in the 800-2700 MHz range. These pi-style filters support bidirectional filtering, controlling EMI both to and from the microphone and speaker elements. They also support bipolar signals, enabling audio signals to pass through without distortion. In addition, the CM1410 provides a very high level of protection for sensitive electronic ponents that may be subject to electrostatic discharge (ESD). The CM1410 can safely dissipate ESD strikes of +8k V, the maximum requirement of the IEC 61000-4-2 international standard. Using the MIL-STD-883 (Method 3015) specification for Human Body Model (HBM) ESD, the device provides protection for contact discharges to greater than +15k V. The CM1410 also includes a single channel of ESD-only protection. The CM1410 is particularly well suited for portable electronics (e.g., cellular telephones, PDAs, notebook puters) because of its small package format and low weight. The...