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MT88L89AS1 PDF预览

MT88L89AS1

更新时间： 2024-02-18 04:30:38
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
28页 479K
描述
DTMF Signaling Circuit, CMOS, PDSO20, 0.300 INCH, LEAD FREE, PLASTIC, MS-013AC, SOIC-20

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MT88L89AS1 技术参数

是否Rohs认证： 符合生命周期：Transferred
包装说明：SOP,Reach Compliance Code：compliant
HTS代码：8542.39.00.01风险等级：5.64
JESD-30 代码：R-PDSO-G20JESD-609代码：e3
长度：12.8 mm湿度敏感等级：3
功能数量：1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
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：2.65 mm标称供电电压：3 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
端子面层：MATTE TIN端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30宽度：7.5 mm
Base Number Matches：1

MT88L89AS1 数据手册

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MT88L89  
3 V Integrated DTMF Transceiver with  
Adaptive Micro Interface  
Data Sheet  
February 2011  
Features  
•
•
•
Complete DTMF transmitter/receiver  
Ordering Information  
Low voltage operation (2.7-3.6 V)  
MT88L89AP1  
MT88L89AN1  
MT88L89AS1  
28 Pin PLCC* Tubes  
24 Pin SSOP* Tubes  
20 Pin SOIC* Tubes  
Pin for pin compatible with existing MT8880,  
MT8888 and MT8889 devices  
MT88L89ANR1 24 Pin SSOP* Tape & Reel  
MT88L89ASR1 20 Pin SOIC* Tape & Reel  
•
•
Adaptive micro interface enables compatibility  
with Intel and Motorola processors  
*Pb Free Matte Tin  
-40C to +85C  
DTMF transmitter/receiver power-down via  
register control  
•
•
•
Adjustable guard time  
The receiver section is based upon the industry  
standard MT8870 DTMF receiver. 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.  
Automatic tone burst mode  
Call progress tone detection to -30 dBm  
Applications  
•
•
•
•
•
•
Credit card systems  
Paging systems  
Repeater systems/mobile radio  
Interconnect dialers  
The MT88L89 utilizes an adaptive micro interface,  
which allows the device to be connected to a number  
of popular microcontrollers with minimal external logic.  
The MT88L89 provides enhanced power-down  
features. The transmitter and receiver may  
independently be powered down via register control.  
Pay phones  
Remote monitor/Control systems  
Description  
The MT88L89 is a monolithic DTMF transceiver with  
call progress filter. It is fabricated in CMOS technology  
offering low power consumption and high reliability.  
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  
DS/RD  
CS  
Algorithm  
and Code  
Converter  
Control  
Register  
B
I/O  
Low Group  
Filter  
Control  
OSC1  
OSC2  
Oscillator  
R/W/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 1999-2011, Zarlink Semiconductor Inc. All Rights Reserved.  
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