Datasheet > MT8888CN

MT8888CN

更新时间： 2024-01-01 08:47:53

品牌	Logo	应用领域
MITEL		电信集成电路光电二极管
页数	文件大小	规格书
16页	305K
描述
Integrated DTMFTransceiver with Intel Micro Interface

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中文翻译

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技术参数
数据手册

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MT8888CN 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	SOIC
针数：	20	Reach Compliance Code：	unknown
HTS代码：	8542.39.00.01	风险等级：	5.64
Is Samacsys：	N	JESD-30 代码：	R-PDSO-G20
端子数量：	20	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	SOP	封装等效代码：	SOP20,.4
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
电源：	5 V	认证状态：	Not Qualified
子类别：	Telecom Signaling Circuits	最大压摆率：	11 mA
标称供电电压：	5 V	表面贴装：	YES
技术：	CMOS	电信集成电路类型：	DTMF SIGNALING CIRCUIT
温度等级：	INDUSTRIAL	端子形式：	GULL WING
端子节距：	1.27 mm	端子位置：	DUAL
Base Number Matches：	1

MT8888CN 数据手册

MT8888C/MT8888C-1

Integrated DTMF Transceiver

with Intel Micro Interface

ISSUE 2

May 1995

Features

Ordering Information

•

Central office quality DTMF transmitter/receiver

MT8888CE/CE-1 20 Pin Plastic DIP

MT8888CC/CC-1 20 Pin Ceramic DIP

MT8888CS/CS-1 20 Pin SOIC

MT8888CN/CN-1 24 Pin SSOP

Low power consumption

High speed Intel micro interface

Adjustable guard time

-40°C to +85°C

Automatic tone burst mode

Call progress tone detection to -30dBm

The receiver section is based upon the industry

standard MT8870 DTMF receiver while the

Applications

transmitter utilizes

switched capacitor D/A

converter for low distortion, high accuracy DTMF

signalling. Internal counters provide a burst mode

such that tone bursts can be transmitted with precise

timing. A call progress filter can be selected allowing

a microprocessor to analyze call progress tones.

•

Credit card systems

Paging systems

Repeater systems/mobile radio

Interconnect dialers

Personal computers

The MT8888C utilizes an Intel micro interface, which

allows the device to be connected to a number of

popular microcontrollers with minimal external logic.

The MT8888C-1 is functionally identical to the

MT8888C except the receiver is enhanced to accept

lower level signals, and also has a specified low

signal rejection level.

Description

The MT8888C is a monolithic DTMF transceiver with

call progress filter. It is fabricated in CMOS

technology offering low power consumption and high

reliability.

Data

Row and

D/A

Transmit Data

Bus

∑

Column

TONE

Converters

Buffer

Counters

Status

Interrupt

Logic

Tone Burst

Gating Cct.

Control

Logic

IRQ/CP

Control

IN+

IN-

Dial

Tone

Filter

High Group

Filter

Digital

Algorithm

and Code

Converter

Control

I/O

Control

Low Group

Filter

OSC1

OSC2

Oscillator

R/W

RS0

Circuit

Control

Logic

Receive Data

Steering

Logic

Bias

Circuit

V_DDV_RefV_SS

ESt

St/GT

Figure 1 - Functional Block Diagram

4-91

12 3 4 5 6 7...16

中文翻译

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与MT8888CN相关器件

型号	品牌	获取价格	描述	数据表
MT8888CN1	ZARLINK	获取价格	Integrated DTMF Transceiver with Intel Micro Interface
MT8888CN-1	MITEL	获取价格	Integrated DTMFTransceiver with Intel Micro Interface
MT8888CP	ZARLINK	获取价格	Integrated DTMF Transceiver with Intel Micro Interface
MT8888CP1	ZARLINK	获取价格	Integrated DTMF Transceiver with Intel Micro Interface
MT8888CPR	ZARLINK	获取价格	Integrated DTMF Transceiver with Intel Micro Interface
MT8888CPR1	ZARLINK	获取价格	Integrated DTMF Transceiver with Intel Micro Interface
MT8888CS	MITEL	获取价格	Integrated DTMFTransceiver with Intel Micro Interface
MT8888CS	ZARLINK	获取价格	Integrated DTMF Transceiver with Intel Micro Interface
MT8888CS1	ZARLINK	获取价格	Integrated DTMF Transceiver with Intel Micro Interface
MT8888CS-1	MITEL	获取价格	Integrated DTMFTransceiver with Intel Micro Interface

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