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Analog Low Pass Filter

lpf0428x

GENERAL DESCRIPTION

This 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

- 2'nd Order Low Pass Filter

- On chip common level generator

APPLICATIONS

- Audio Signal Player

FUNCTIONAL BLOCK DIAGRAM

IM

D

CK

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. The

content of this datasheet is subject to change without any notice.

SEC ASIC

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ANALOG

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LPF0428X相關(guān)型號(hào)PDF文件下載

• 型號(hào)
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  描述
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• LPF0428X
  英文版
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