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MT8888CPR

更新时间： 2024-01-05 13:58:58
品牌 Logo 应用领域
加拿大卓联 - ZARLINK /
页数 文件大小 规格书
25页 537K
描述
Integrated DTMF Transceiver with Intel Micro Interface

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中文翻译

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MT8888CPR 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：20Reach Compliance Code：unknown
HTS代码：8542.39.00.01风险等级：5.64
Is Samacsys：NJESD-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

MT8888CPR 数据手册

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MT8888C  
Integrated DTMF Transceiver  
with Intel Micro Interface  
Data Sheet  
September 2005  
Features  
Ordering Information  
•
•
•
•
•
•
Central office quality DTMF transmitter/receiver  
MT8888CE  
MT8888CS  
MT8888CN  
MT8888CP  
MT8888CE1  
MT8888CS1  
MT8888CN1  
MT8888CP1  
MT8888CPR  
MT8888CSR  
20 Pin PDIP  
20 Pin SOIC  
24 Pin SSOP  
28 Pin PLCC  
20 Pin PDIP*  
20 Pin SOIC*  
Tubes  
Tubes  
Tubes  
Tubes  
Tubes  
Tubes  
Low power consumption  
High speed Intel micro interface  
Adjustable guard time  
Automatic tone burst mode  
Call progress tone detection to -30 dBm  
24 Pin SSOP* Tubes  
28 Pin PLCC* Tubes  
28 Pin PLCC  
20 Pin SOIC  
MT8888CSR1 20 Pin SOIC*  
Tape & Reel  
Tape & Reel  
Tape & Reel  
Applications  
MT8888CPR1 28 Pin PLCC* Tape & Reel  
*Pb Free Matte Tin  
•
•
•
•
•
Credit card systems  
Paging systems  
-40°C to +85°C  
The receiver section is based upon the industry  
standard MT8870 DTMF receiver while the transmitter  
utilizes a 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.  
Repeater systems/mobile radio  
Interconnect dialers  
Personal computers  
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.  
The MT8888C utilizes an Intel micro interface, which  
allows the device to be connected to a number of  
popular microcontrollers with minimal external logic.  
D0  
Data  
Row and  
D/A  
Transmit Data  
Register  
Bus  
D1  
D2  
D3  
∑
Column  
TONE  
Converters  
Buffer  
Counters  
Status  
Register  
Interrupt  
Logic  
Tone Burst  
Gating Cct.  
Control  
Logic  
IRQ/CP  
Control  
Register  
A
IN+  
IN-  
GS  
+
-
Dial  
Tone  
Filter  
High Group  
Filter  
Digital  
RD  
Algorithm  
and Code  
Converter  
Control  
Register  
B
I/O  
Control  
CS  
Low Group  
Filter  
OSC1  
OSC2  
Oscillator  
WR  
RS0  
Circuit  
Control  
Logic  
Receive Data  
Register  
Steering  
Logic  
Bias  
Circuit  
VDD VRef VSS  
ESt  
St/GT  
Figure 1 - Functional Block Diagram  
1
Zarlink Semiconductor Inc.  
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.  
Copyright 2003-2005, Zarlink Semiconductor Inc. All Rights Reserved.  
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