MC14LC5540

更新时间： 2024-11-10 22:54:59

品牌	Logo	应用领域
摩托罗拉 - MOTOROLA		解码器编解码器 PC
页数	文件大小	规格书
18页	193K
描述
ADPCM Codec

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数据手册

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MC14LC5540 数据手册

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by MC14LC5540TS/D

SEMICONDUCTOR TECHNICAL DATA

Technical Summary

P SUFFIX

PLASTIC DIP

CASE 710

This technical summary provides a brief description of the MC14LC5540

ADPCM Codec. A complete data book for the MC14LC5540 is available and

can be ordered from your local Motorola sales office. The data book number is

MC145540/D.

The MC14LC5540 ADPCM Codec is a single chip implementation of a PCM

Codec–Filter and an ADPCM encoder/decoder, and therefore provides an

efficient solution for applications requiring the digitization and compression of

voiceband signals. This device is designed to operate over a wide voltage

range, 2.7 to 5.25V and, as such, is ideal for battery powered as well as ac

powered applications. The MC14LC5540 ADPCM Codec also includes a serial

control port and internal control and status registers that permit a microcom-

puter to exercise many built–in features.

The ADPCM Codec is designed to meet the 32 kbps ADPCM conformance

requirements of CCITT Recommendation G.721–1988 and ANSI T1.301. It

also meets ANSI T1.303 and CCITT Recommendation G.723–1988 for 24 kbps

ADPCM operation, and the 16 kbps ADPCM standard, CCITT Recommen-

dation G.726. This device also meets the PCM conformance specification of the

CCITT G.714 Recommendation.

DW SUFFIX

SOG PACKAGE

CASE 751F

FU SUFFIX

TQFP

CASE 873A

ORDERING INFORMATION

MC14LC5540P

Plastic DIP

MC14LC5540DW SOG Package

MC14LC5540FU TQFP

•

Single 2.7 to 5.25 V Power Supply

Typical 2.7 V Power Dissipation of 43 mW, Power–Down of 15 µW

Differential Analog Circuit Design for Lowest Noise

Complete Mu–Law and A–Law Companding PCM Codec–Filter

ADPCM Transcoder for 64, 32, 24, and 16 kbps Data Rates

Universal Programmable Dual Tone Generator

Programmable Transmit Gain, Receive Gain, and Sidetone Gain

Low Noise, High Gain, Three Terminal Input Operational Amplifier for

Microphone Interface

•

Push–Pull, 300 Ω Power Drivers with External Gain Adjust for Receiver

Interface

•

Push–Pull, 300 Ω Auxiliary Output Drivers for Ringer Interface

Voltage Regulated Charge Pump to Power the Analog Circuitry in Low

Voltage Applications

•

Receive Noise Burst Detect Algorithm

Order Complete Document as MC145540/D

Device Supported by MC145537EVK ADPCM Codec Evaluation Kit

This document contains information on a product under development. Motorola reserves the right to change or discontinue this product without notice.

REV 2

6/97

TN97060200

Motorola, Inc. 1997

MOTOROLA

MC14LC5540

12 3 4 5 6 7...18

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与MC14LC5540相关器件

型号	品牌	获取价格	描述	数据表
MC14LC5540DW	MOTOROLA	获取价格	ADPCM Codec
MC14LC5540DWR2	NXP	获取价格	A/MU-LAW, ADPCM CODEC, PDSO28, SOG-28
MC14LC5540FU	MOTOROLA	获取价格	ADPCM Codec
MC14LC5540FU	NXP	获取价格	IC,PCM CODEC,SINGLE,QFP,32PIN,PLASTIC
MC14LC5540P	MOTOROLA	获取价格	ADPCM Codec
MC14LC5540P	NXP	获取价格	IC,PCM CODEC,SINGLE,DIP,28PIN,PLASTIC
MC14XXXBCL	FREESCALE	获取价格	Industrial Time Base Generator
MC14XXXBCL	MOTOROLA	获取价格	QUAD 2 INPUT NAND SCHMITT TRIGGER
MC14XXXBCP	FREESCALE	获取价格	Industrial Time Base Generator
MC14XXXBCP	MOTOROLA	获取价格	QUAD 2 INPUT NAND SCHMITT TRIGGER

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