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KA8501 fiches techniques PDF

Samsung - SPEECH NETWORK WITH DIALER INTERFACE

Numéro de référence KA8501
Description SPEECH NETWORK WITH DIALER INTERFACE
Fabricant Samsung 
Logo Samsung 





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KA8501 fiche technique
KA8501A
SPEECH NETWORK WITH DIALER INTERFACE
INTRODUCTION
The KA8501A is a telephone speech network in-
tegrated circuit which includes transmit amp, receive
amp, DTMF amp, voltage regulator, line equalizer,
voltage comparator. It handles the voice signal, perfor-
ming the 2/4 wires interface and changing the gain on
both sending and receiving amplifiers to compensate
the line current. The KA8501A can work in fixed gain
mode.
FEATURES
Adjusts sending and receiving attenuation length
Regulated voltage for dialer
Linear interface for DTMF
Suitable for ceramic transducers
Mute function
PIN CONFIGURATION
16-DIP-300A
ORDERING INFORMATION
Device
KA8501A
Package
16-DIP-300A
Operating Temperature
- 45°C ~ + 70°C
MIC1 1
16 MIC2
V+ 2
15 VDD
MUTING 3
14 MF
BIAS ADJ. 4
REGULATOR 5
REGULATOR 6
LINE CURRENT 7
KA8501A
13 RXO2
12 RXO1
11 RXI +
10 RXI -
ZBAL SWITCH 8
9 V-
Fig. 1

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