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SC9270C - DTMF DEMODULATOR WITH FILTER AND DIGITAL DECODER

This page provides the datasheet information for the SC9270C, a member of the SC9270 DTMF DEMODULATOR WITH FILTER AND DIGITAL DECODER family.

Datasheet Summary

Description

The SC9270C/D is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions.

The filter section uses switched capacitor techniques for high- and low-group filters and dialtone rejection.

Features

  • DIP-18-300-2.54.
  • Excellent performance.
  • CMOS, single 5 volt operation,.
  • Widely operating voltage: 1.2V ~ 5.25V.
  • Minimum board area.
  • Central office quality.
  • Low power consumption.
  • Power-Down mode (SC9270D only).
  • Inhibit-mode (SC9270D only).

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Datasheet preview – SC9270C

Datasheet Details

Part number SC9270C
Manufacturer Silan Semiconductors
File Size 234.26 KB
Description DTMF DEMODULATOR WITH FILTER AND DIGITAL DECODER
Datasheet download datasheet SC9270C Datasheet
Additional preview pages of the SC9270C datasheet.

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Full PDF Text Transcription

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SC9270 DTMF DEMODULATOR WITH FILTER AND DIGITAL DECODER DESCRIPTION The SC9270C/D is a complete DTMF receiver integrating both the bandsplit filter and digital decoder functions. The filter section uses switched capacitor techniques for high- and low-group filters and dialtone rejection. Digital counting techniques are employed in the decoder to detect and decode all 16 DTMF tone-pairs into a 4-bit code. External component count is minimized by on-chip provision of a differential input amplifier, clock-oscillator and latched 3-state bus interface. SOP-20-375-1.27 FEATURES DIP-18-300-2.54 * Excellent performance * CMOS, single 5 volt operation, * Widely operating voltage: 1.2V ~ 5.
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