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MT8870DE1

更新时间: 2024-11-01 15:45:07
品牌 Logo 应用领域
美高森美 - MICROSEMI 电信光电二极管电信集成电路
页数 文件大小 规格书
19页 427K
描述
DTMF Signaling Circuit, CMOS, PDIP18, LEAD FREE, PLASTIC, MS-001AC, DIP-18

MT8870DE1 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP18,.3针数:18
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.04
JESD-30 代码:R-PDIP-T18JESD-609代码:e3
长度:22.86 mm功能数量:1
端子数量:18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:DIP封装等效代码:DIP18,.3
封装形状:RECTANGULAR封装形式:IN-LINE
峰值回流温度(摄氏度):260电源:5 V
认证状态:Not Qualified座面最大高度:5.33 mm
子类别:Telecom Signaling Circuits最大压摆率:9 mA
标称供电电压:5 V表面贴装:NO
技术:CMOS电信集成电路类型:DTMF SIGNALING CIRCUIT
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:THROUGH-HOLE端子节距:2.54 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:7.62 mmBase Number Matches:1

MT8870DE1 数据手册

 浏览型号MT8870DE1的Datasheet PDF文件第2页浏览型号MT8870DE1的Datasheet PDF文件第3页浏览型号MT8870DE1的Datasheet PDF文件第4页浏览型号MT8870DE1的Datasheet PDF文件第5页浏览型号MT8870DE1的Datasheet PDF文件第6页浏览型号MT8870DE1的Datasheet PDF文件第7页 
MT8870D/MT8870D-1  
ISO2-CMOS Integrated DTMF Receiver  
Data Sheet  
October 2006  
Features  
Complete DTMF Receiver  
Ordering Information  
Low power consumption  
Internal gain setting amplifier  
Adjustable guard time  
Central office quality  
Power-down mode  
MT8870DE  
18 Pin PDIP  
18 Pin SOIC  
20 Pin SSOP  
18 Pin SOIC  
20 Pin SSOP  
20 Pin SSOP*  
18 Pin PDIP*  
18 Pin SOIC*  
20 Pin SSOP*  
18 Pin SOIC*  
18 Pin PDIP*  
18 Pin SOIC*  
Tubes  
MT8870DS  
Tubes  
MT8870DN  
Tubes  
MT8870DSR  
MT8870DNR  
MT8870DN1  
MT8870DE1  
MT8870DS1  
MT8870DNR1  
MT8870DSR1  
MT8870DE1-1  
MT8870DS1-1  
Tape & Reel  
Tape & Reel  
Tubes  
Tubes  
Tubes  
Tape & Reel  
Tape & Reel  
Tubes  
Inhibit mode  
Backward compatible with MT8870C/MT8870C-1  
Tubes  
MT8870DSR1-1 18 Pin SOIC*  
*Pb Free Matte Tin  
Tape & Reel  
Applications  
-40°C to +85°C  
Receiver system for British Telecom (BT) or  
CEPT Spec (MT8870D-1)  
Description  
Paging systems  
Repeater systems/mobile radio  
Credit card systems  
Remote control  
Personal computers  
The MT8870D/MT8870D-1 is a complete DTMF  
receiver integrating both the bandsplit filter and digital  
decoder functions. The filter section uses switched  
capacitor techniques for high and low group filters;  
the decoder uses digital counting techniques to detect  
and decode all 16 DTMF tone-pairs into a 4-bit code.  
Telephone answering machine  
VDD  
VSS  
VRef  
INH  
Bias  
Circuit  
PWDN  
VRef  
Buffer  
Q1  
Chip Chip  
Power Bias  
High Group  
Filter  
Digital  
Code  
Detection  
Algorithm  
Converter  
and Latch  
Q2  
Q3  
Q4  
IN +  
Dial  
Tone  
Filter  
Zero Crossing  
Detectors  
IN -  
GS  
Low Group  
Filter  
to all  
St  
GT  
Steering  
Logic  
Chip  
Clocks  
OSC1  
OSC2  
St/GT  
ESt  
STD  
TOE  
Figure 1 - Functional Block Diagram  
1
Zarlink Semiconductor Inc.  
Zarlink, ZL and the Zarlink Semiconductor logo are trademarks of Zarlink Semiconductor Inc.  
Copyright 1997-2006, Zarlink Semiconductor Inc. All Rights Reserved.  

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