概要
The EClamp®2510K is a combination EMI filter and line termination device with integrated TVS diodes for use on Multimedia Card interfaces. This device utilizes solid-state silicon-avalanche technology for superior clamping performance and DC electrical characteristics. It has been optimized for protection of T-Flash/MicroSD interfaces in cellular phones and other portable electronics. The device consists of six circuits that include series impedance matching resistors and pull up resistors as required by the SD specification. TVS diodes are included on each line for ESD protection. Each data line has a very low maximum capacitance of only 12pF while the clock line offers an even lower maximum capacitance of only 8.5pF. An additional TVS diode connection is included for protection of the voltage (Vdd) bus. A 45 Ohm termination resistor is included on the DAT0, DAT1, DAT2, DAT3, CMD, and CLK lines. Pull up resistors of 15k Ohms are included on DAT0, DAT1, DAT2, DAT3, and CMD lines.Features
- Bidirectional EMI/RFI filtering and line termination with integrated ESD protection
- ESD protection to IEC 61000-4-2 (ESD), ±12kV (air), ±12kV (contact) on input lines
- TVS working voltage: 5V
- Termination Resistors: 45Ω
- Pull Up Resistors: 15kΩ (4 each)
- Maximum capacitance on DAT and CMD lines: 12pF (VR = 0V)
- Maximum capacitance on CLK line: 8.5pF (VR=0V)
- Solid-state technology
アプリケーション
- T-Flash / MicroSD Interfaces
- MMC Interfaces
- CDMA, GSM, 3G Cell Phones
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関連情報
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