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SA2532

Features: · Speech circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip· Soft clip to avoid harsh distortion· Line Loss Compensation selectable by pin option· Power down mode· Versatile applications for different PTT demands· 31 digit last number redial· Sliding Cursor protocol with comp...

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SeekIC No. : 004483597 Detail

SA2532: Features: · Speech circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip· Soft clip to avoid harsh distortion· Line Loss Compensation selectable by pin option· Power down mode· Versatile ap...

SA2532 Data Sheet

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Part Number:
SA2532
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

· Speech circuit, LD/MF Dialler and Tone Ringer on one 28 pin CMOS chip
· Soft clip to avoid harsh distortion
· Line Loss Compensation selectable by pin option
· Power down mode
· Versatile applications for different PTT demands
· 31 digit last number redial
· Sliding Cursor protocol with comparison
· 2 Flash keys, 100 ms and 280 ms (option 600 ms)
· Pause key for 3 sec Auto Pause or Wait Function
· Ring frequency discrimination
· Operating range from 13 to 100 mA (down to 5 mA with reduced performance)
· Low noise (max. -72dBmp)
· Real or Complex impedance on chip programmable
· LD/MF switchable dialling
· On chip MF filter (CEPT CS 203 compatible)
·3-tone melody generator with selectable repetition rates


Pinout

Connection Diagram


Specifications

Positive Supply Voltage.......................-0.3VVDD7V
Input current................................-±25mA
Input Voltage (LS)  ........................- -0.3VVIN10V
Input Voltage (LI, CS) .......................- -0.3VVIN8V
Input Voltage (STB, RI)  ...................- -2VVVINVDD+0.3V
Input Voltage (MO)  ........................- -0.3VVIN35V
Digital Input Voltage  ....................- -0.3VVINVDD+0.3V
Electrostatic Discharge  ...........................-±800V
Storage Temperature   .....................- -65°C to +125°C


Description

The SA2532 is a CMOS integrated circuit that contains all the functions needed to form a high performance electronic telephone.

The SA25320 incorporates LD/MF dialling, melody generation, ring frequency discrimination and a high quality speech circuit.

A RAM is on chip for a 31 digit last number redial. The sliding cursor procedure makes Last Number Redial easy behind a PABX.The versatility of the SA2532 circuit is provided by on chip programmability and a few external components. This allows easy adaption to different PTT requirements without changing the PCB of the telephone.




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