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CM1412 - 2-Channel Headset/Microphone EMI Filter

Description

The CM1412 is a dual, low pass filter array integrating two pi style filters (C R

C) that reduce EMI/RFI emissions while providing ESD protection.

designed to interface with a microphone port on a cellular telephone or similar device.

Features

  • Functionally and Pin Compatible with ON Semiconductor’s CSPEMI202A.
  • OptiGuardt Coated for Improved Reliability at Assembly.
  • Two Channels of EMI Filtering.
  • Pi.
  • Style EMI Filters in a Capacitor.
  • Resistor.
  • Capacitor (C.
  • R.
  • C) Network.
  • Greater than 40 dB Attenuation at 1 GHz.
  • ±8 kV ESD Protection on Each Channel (IEC 61000.
  • 4.
  • 2 Level 4, Contact Discharge).
  • ±15 kV ESD Protection on Each C.

📥 Download Datasheet

Datasheet Details

Part number CM1412
Manufacturer onsemi
File Size 431.13 KB
Description 2-Channel Headset/Microphone EMI Filter
Datasheet download datasheet CM1412 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
CM1412 2-Channel Headset / Microphone EMI Filter Array with ESD Protection Product Description The CM1412 is a dual, low−pass filter array integrating two pi−style filters (C−R−C) that reduce EMI/RFI emissions while providing ESD protection. This part is custom−designed to interface with a microphone port on a cellular telephone or similar device. Each high quality filter provides more than 35 dB attenuation in the 800 to 2700 MHz range. These pi−style filters support bidirectional filtering that control EMI both to and from a microphone element. They also support AC signals, enabling audio signals to pass through without distortion. In addition, the CM1412 provides a very high level of protection for sensitive electronic components that may be subjected to electrostatic discharge (ESD).
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