SA2532AP datasheet(1/22 Pages) SAMES

部件名	SA2532AP

功能描述	VERSATILE SINGLE CHIP TELEPHONE

PDF	22 Pages

Scroll/Zoom	100%

制造商	SAMES [Sames]

网页	http://www.sames.co.za

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1 / 22 page

sames

SA2532

1/22

sames

VERSATILE SINGLE CHIP TELEPHONE

4153

SA2532 A/C/U

PDS039-SA2532-001

Rev. C

23-10-1995

FEATURES

n Speech circuit, LD/MF Dialler and Tone

Ringer on one 28 pin CMOS chip

n Soft clip to avoid harsh distortion

n Line Loss Compensation selectable by

pin option

n Power down mode

n Versatile applications for different PTT

demands

n 31 digit last number redial

n Sliding Cursor protocol with comparison

n 2 Flash keys, 100 ms and 280 ms (option

600 ms)

n Pause key for 3 sec Auto Pause or Wait

Function

n Ring frequency discrimination

n Operating range from 13 to 100 mA

(down to 5 mA with reduced perform-

ance)

n Low noise (max. -72dBmp)

n Real or Complex impedance on chip pro-

grammable

n LD/MF switchable dialling

n On chip MF filter (CEPT CS 203 compat-

ible)

n 3-tone melody generator with selectable

repetition rates

1/22

GENERAL DESCRIPTION

The SA2532 is a CMOS integrated circuit that

contains all the functions needed to form a

high performance electronic telephone.

The device incorporates LD/MF dialling,

melody generation, ring frequency discrimi-

nation 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 circuit is provided by on

chip programmability and a few external com-

ponents. This allows easy adaption to differ-

ent PTT requirements without changing the

PCB of the telephone.

PACKAGE

Available in 28 pin DIP and SOIC

SA2532

HS DP

DR-00975

OSC

C3

C4

RR

14

AGND

STB

LLC

CI

MO

DD

RO2

RO1

LS

V

1

R2

15

R4

R3

C1

C2

M2

MODE

M1

FCI

R1

28

SS

V

CS

RI

LI

类似零件编号 - SA2532AP

制造商	部件名	数据表	功能描述
Sames	SA2532	71Kb / 13P	SINGLE CHIP TELEPHONE INTERFACE FOR KEYBOARD ENTRY VIA uC
	SA2532	36Kb / 4P	SINGLE CHIP TELEPHONE POWER EXTRACTION FOR EXTERNAL LOADS
	SA2532K	623Kb / 27P	SINGLE CHIP TELEPHONE DEMO BOARD
	SA2532KA	187Kb / 21P	SINGLE CHIP TELEPHONE FOR INDIA
	SA2532KB	187Kb / 21P	SINGLE CHIP TELEPHONE FOR INDIA

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