HM9270D - DTMF RECEIVER

Product Overview

ELAN Microelectronics Corp

Part number	HM9270D
Manufacturer	ELAN Microelectronics Corp
File Size	66.00 KB
Description	DTMF RECEIVER
Datasheet	HM9270D Datasheet
Additional preview pages of the HM9270D datasheet.

The HM 9270C/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 dial-tone rejection.

Complete receiver in an 18-pin package. Excellent performance. CMOS, single 5 volt operation. Minimum board area. Central office quality. Low power consumption. Power-Down mode (HM9270D only). Inhibit-mode (HM9270D only). Pin Configurations HM9270C IN+ IN GS 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 VDD St/GT ESt StD Q4 Q3 Q2 Q1 TOE IN+ IN GS HM9270D 1 2 3 4 5 6 7 8 9 18 17 16 15 14 13 12 11 10 VDD St/GT ESt St.

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Published: Mar 26, 2005 |