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BL1302A57S - Monolithic serial interface compiler encoder

This page provides the datasheet information for the BL1302A57S, a member of the BL1302A57 Monolithic serial interface compiler encoder family.

Description

conversion and a serial PCM interface.

The device is fabricated using the advanced double-poly nwell CMOS process.

It is pin compatible with TP3057.

Features

  • Complete CODEC and filtering system (COMBO) including: --- Transmit high-pass and low-pass filtering --- Receive low-pass filter with sinx/x correction --- Active RC noise filters --- A-law compatible COder and DECoder --- Internal precision voltage reference --- Serial I/O interface --- Internal auto-zero circuitry.
  • 16 pin DIP or SOP.
  • Designed for ITU.

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Datasheet preview – BL1302A57S

Datasheet Details

Part number BL1302A57S
Manufacturer SHANGHAI BELLING
File Size 734.39 KB
Description Monolithic serial interface compiler encoder
Datasheet download datasheet BL1302A57S Datasheet
Additional preview pages of the BL1302A57S datasheet.

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Full PDF Text Transcription

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BL1302A57/S General Description The BL1302A57/S is an A-law monolithic PCM Pin Assignment CODEC/filter which has the A/D and D/A conversion and a serial PCM interface. The device is fabricated using the advanced double-poly nwell CMOS process. It is pin compatible with TP3057. The encode portion of each device consists of an input gain adjust amplifier, an active RC pre-filter which eliminates very high frequency noise prior to entering a switched-capacitor band-pass filter that rejects signals below 200 Hz and above 3400 Hz.
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