SA2532KB datasheet(1/21 Pages) SAMES

tên linh kiện	SA2532KB

Giải thích chi tiết về linh kiện	SINGLE CHIP TELEPHONE FOR INDIA

PDF	21 Pages

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nhà sản xuất	SAMES [Sames]

Trang chủ	http://www.sames.co.za

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DAT_SH02

PDS039-SA2532K-001

Rev. C

20-03-00

sames

Key Features

•

Speech Circuit, LD/MF Dialler and Tone Ringer

on one 28 pin CMOS chip

•

Low Noise

•

31 digit Last Number Redial

•

Line Loss Compensation selectable by pin

option

•

2 Timed Break Recall keys

•

Moving Cursor protocol with comparison

•

On chip MF filter (CEPT CS 203 compatible)

•

Pause key for auto pause or wait function

•

Power down mode

•

Ring frequency discrimination

•

Selectable Loop-Disconnect or DTMF dialling

modes

•

Real or complex impedance programmable

•

Soft Clipping to avoid harsh distortion

•

Uses inexpensive 3.58MHz ceramic resonator

•

Operating range from 13 to 100 mA

•

3 Tone melody generator

Block Diagram

General Description

The SA2532K is a CMOS integrated circuit that

contains all the functions needed to form a high

performance electronic telephone.

The device incorporates LD/MF repertory dialling,

melody generation, ring frequency discrimination

and a high quality speech circuit.

Soft switch into temporary MF mode using * when

LD mode is selected .Timed Break Recall will be

available in both LD and MF dialling modes.

A 31 digit Last Number Redial (LNR) memory, with

moving cursor protocol,

activated by single key

depression.

Line Loss Compensation whereby send and receive

gains are adjusted (by 6dB) over the ranges

selected by the LLC pin.

KEYPAD

MODE_OUT

AGND

RI

STB

LS

LI

CS

DD

V

MO

SS

V

FC1

HS/DP

LLC

OSC

C1 C2

C3

C4

R1

R2

R3

R4

M2

M1

RO2

RO1

MUTE

SA2532K

DIALER

CLIP

SOFT

SENSE

CURRENT

LINE

BJT

GENERATOR

TONE

SEQUENCER

MELODY

RAM

OSC

LOGIC

CONTROL

DISCRIMINATION

FREQUENCY

RING

DD

V

+

MODE

SA2532KA/B

SINGLE CHIP

TELEPHONE FOR INDIA

Số phần tương tự - SA2532KB

nhà sản xuất	tên linh kiện	bảng dữ liệu	Giải thích chi tiết về linh kiện
Sames	SA2532K	623Kb / 27P	SINGLE CHIP TELEPHONE DEMO BOARD

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Sames	AN1500A	623Kb / 27P	SINGLE CHIP TELEPHONE DEMO BOARD
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ATMEL Corporation	U3600BM	709Kb / 43P	SINGLE CHIP CORDLESS TELEPHONE IC
ams AG	AS2540	248Kb / 18P	Remote Controlled Single-Chip-Telephone
OKI electronic componet...	MSM7557	153Kb / 25P	Single Chip MSK Modem with Compandor for Cordless Telephone
ATMEL Corporation	U3600BM	738Kb / 44P	Single-chip Cordless Telephone IC
IC MICROSYSTEMS	ICM9102M	339Kb / 3P	SINGLE CHIP TELEPHONE BOARD MODULE
ams AG	AS2540	934Kb / 19P	Remote Controlled Single-Chip-Telephone

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