TP5510WM datasheet(1/12 Pages) NSC

Nome de Peças	TP5510WM

Descrição Electrónicos	Full Duplex Analog Front End for Consumer Applications

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Fabricante Electrônico	NSC [National Semiconductor (TI)]

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TLH11186

February 1997

TP5510

Full Duplex Analog Front End (AFE)

for Consumer Applications

General Description

The TP5510 consists of a m-law monolithic AFE device uti-

lizing the AD and DA conversion architecture shown in

Figure 1 and a serial data interface The device is fabricat-

ed using National’s advanced double-poly CMOS process

(microCMOS)

The AD portion of the device consists of an input gain

adjust amplifier an active RC pre-filter which eliminates very

high frequency noise and a switched-capacitor band-pass

filter that rejects signals below 200 Hz and above 3400 Hz

Also included are auto-zero circuitry and a compressing

AD which samples the filtered signal and converts it to the

m

-law digital format The decode portion of the device con-

sists of an expanding DA which reconstructs the analog

signal from the compressed m-law code a low-pass filter

which corrects for the sin xx response of the DA output

and rejects signals above 3400 Hz followed by a single-

ended power amplifier capable of driving low impedance

loads The device requires a 1536 MHz 1544 MHz or

2048 MHz master clock bit clocks which may vary from 64

kHz to 2048 MHz and 8 kHz frame sync pulses

Features

Y

Complete AD and DA with filter system including

Serial Data Interface

Encode high-pass and low-pass filter

Decode low-pass filter with sin xx correction

Active RC noise filters

m

-law compatible AD and DA

Internal precision voltage reference

Internal auto-zero circuitry

Y

m

-lawTP5510

Y

g

5V operation

Y

Low operating powertypically 60 mW

Y

Power-down standby modetypically 3 mW

Y

Automatic power-down

Y

TTL or CMOS compatible digital interfaces

Y

Maximizes PC card circuit density

Y

Plastic DIP and SOIC packages

Y

8-bit digital IO

Y

13-bit dynamic range

Y

Use with DSP processor

Y

Applications Tapeless Answering Machines Cordless

Phones Cellular Radio

Connection Diagram

Dual-In-Line Package

TLH11186 – 1

Top View

Order Number TP5510WM

See NS Package Number M16B

Order Number TP5510N

See NS Package Number N16A

TRI-STATE

is a registered trademark of National Semiconductor Corporation

C1996 National Semiconductor Corporation

RRD-B30M27Printed in U S A

http

www nationalcom

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TP5510WM Folha de dados(PDF) 1 Page - National Semiconductor (TI)

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