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LPF0428X - Analog Low Pass Filter

General Description

lpf0428x is developed for analog conversion of PWM input and analog low pass filtering function for audio signal processing.

The core consists of D-F/F and active R-C analog filter.

And it has analog 2.3 volts supply operation.

Key Features

  • Analog 2.3Volt Operation www. DataSheet4U. com.
  • 2'nd Order Low Pass Filter.
  • On chip common level generator.

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Full PDF Text Transcription (Reference)

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LPF0428X ANALOG LOW PASS FILTER GENERAL DESCRIPTION lpf0428x is developed for analog conversion of PWM input and analog low pass filtering function for audio signal processing. The core consists of D-F/F and active R-C analog filter. And it has analog 2.3 volts supply operation. FEATURES — Analog 2.3Volt Operation www.DataSheet4U.com — 2'nd Order Low Pass Filter — On chip common level generator APPLICATIONS — Audio Signal Player FUNCTIONAL BLOCK DIAGRAM IM D C K Q AOUT IP D CK Q CK VCOM PDL VDDAL VSSAL VDDA VSSA VBBA Ver 1.3 (Nov 2001) This datasheet is a preliminary version. No responsibility is assumed by SEC for its use nor for any infringements of patents or other rights of third parties that may result from its use.