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HM9270D

DTMF RECEIVER

HM9270D Features

* 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)

HM9270D General Description

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. Digital counting techniques are employed in the decoder to detect and decode .

HM9270D Datasheet (66.00 KB)

Preview of HM9270D PDF

Datasheet Details

Part number:

HM9270D

Manufacturer:

ELAN Microelectronics Corp

File Size:

66.00 KB

Description:

Dtmf receiver.

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TAGS

HM9270D DTMF RECEIVER ELAN Microelectronics Corp

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