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SA2531F Fiches technique(PDF) 2 Page - Sames

No de pièce SA2531F
Description  VERSATILE SINGLE CHIP TELEPHONE WITH 14 NUMBER REPERTORY DIALLER
PDF  24 Pages
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Fabricant  SAMES [Sames]
Site Internet  http://www.sames.co.za
Logo SAMES - Sames

SA2531F Fiches technique(HTML) 2 Page - Sames

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SA2531 A/B/C/E/G/U
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PIN CONFIGURATIONS
PACKAGE
Available in 28 pin DIP and PLCC
PIN DESCRIPTION
Pin# Symbol Function
23
M1
Microphone Inputs
24
M2
Differential inputs for the microphone (electret).
3
RO1
Receiver Outputs
2
RO2
These are the outputs for driving a dynamic earpiece with an impedance
of 150 to 300
Ω
5A
GND
Analogue Ground
This is the analog ground for the amplifiers.
28
RI
Receive Input
This is the input for the receive signal.
6
STB
Side Tone Balance Input
This is the input for side tone cancellation.
1LS
Line Current Sense Input
This is the input for sensing the line current.
27
LI
Line Input
This input is used for power extraction and line current sensing.
28 Pin PLCC
28 Pin DIP



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