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HM9270C Datasheet, Equivalent, DTMF RECEIVER.

DTMF RECEIVER

DTMF RECEIVER

 

 

 

Part HM9270C
Description DTMF RECEIVER
Feature HM 9270C/D DTMF RECEIVER General Descri ption The HM 9270C/D is a complete DTMF receiver integrating both the bandspli t filter and digital decoder functions.
The filter section uses switched capac itor techniques for high- and low-group filters and dial-tone rejection.
Digit al counting techniques are employed in the decoder to detect and decode all 16 DTMF tonepairs into a 4-bit code.
Exte rnal component count is minimized by on -chip provision of a differential input amplifier, clock-oscillator and latche d 3-state bus interface.
Features







• Complete re ceiver in an 18-pin package.
E .
Manufacture ELAN Microelectronics Corp
Datasheet
Download HM9270C Datasheet
Part HM9270C
Description DTMF RECEIVER
Feature HM 9270C/D DTMF RECEIVER General Descri ption The HM 9270C/D is a complete DTMF receiver integrating both the bandspli t filter and digital decoder functions.
The filter section uses switched capac itor techniques for high- and low-group filters and dial-tone rejection.
Digit al counting techniques are employed in the decoder to detect and decode all 16 DTMF tonepairs into a 4-bit code.
Exte rnal component count is minimized by on -chip provision of a differential input amplifier, clock-oscillator and latche d 3-state bus interface.
Features







• Complete re ceiver in an 18-pin package.
E .
Manufacture ELAN Microelectronics Corp
Datasheet
Download HM9270C Datasheet

HM9270C

HM9270C
HM9270C

HM9270C

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