Part Number
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KA8504 |
Manufacturer
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Samsung semiconductor |
Description
|
SPEECH NETWORK |
Published
|
Feb 16, 2007 |
Detailed Description
|
com
KA8504
SPEECH NETWORK WITH DIALER INTERFACE
INTRODUCTION
16-DIP-300A The KA8504 is a telephone sp...
|
Datasheet
|
KA8504
|
Overview
com
KA8504
SPEECH NETWORK WITH DIALER INTERFACE
INTRODUCTION
16-DIP-300A The KA8504 is a telephone speech network which includes TX Amp, RX Amp and DTMF Amp.
The gain is controlled automatically by sensing the line current.
The circuit internally performs electronic switching between dialing and speech by mute signal.
FEATURES
• Low line current operation • Mute function • DTMF signal interface • Easy gain control
ORDERING INFORMATION
Device KA8504 Package 16-DIP-300A Operating Temperature - 40°C ~ + 85°C
BLOCK DIAGRAM
ROF 14
RXI 13
RX INPUT AMP
RX GAIN CONTROL
RX OUTPUT AMP
15
RXO
GC 12
GAIN CONTROLLER
5
MF
10 VL 1
TX AMP
MIC+
TX GAIN CONTROL
TX AMP
11
...
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