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CM8880-1EI

CM8880-1EI

  • 厂商:

    CALMIRCO

  • 封装:

  • 描述:

    CM8880-1EI - CMOS Integrated DTMF Transceiver - California Micro Devices Corp

  • 详情介绍
  • 数据手册
  • 价格&库存
CM8880-1EI 数据手册
CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 C0890400 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 1 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 2 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 3 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 4 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 6 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 7 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 8 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 9 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 10 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 11 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 12 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 13 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 14 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 © 2000 California Micro Devices Corp. All rights reserved. 5/00 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 15 CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 ©2000 California Micro Devices Corp. All rights reserved. 16 215 Topaz Street, Milpitas, California 95035 Tel: (408) 263-3214 Fax: (408) 263-7846 www.calmicro.com 5/00
CM8880-1EI
### 物料型号 - 型号:CALIFORNIA MICRO DEVICES CM8880/8880-1/8880-2 - 描述:CMOS集成DTMF收发器

### 器件简介 - CM8880:是一款全集成的DTMF收发器,具备可调保护时间、自动音爆发模式、呼叫进度模式以及完全兼容的6500/6800微处理器接口。 - CM8880-1:功能上等同于CM8880,但输入灵敏度满足欧洲标准。 - CM8880-2:电气上等同于CM8880,但不包括呼叫进度功能。

### 引脚分配 - 20-pin DIP:双列直插式封装 - 20-pin SOIC:小外型集成电路封装 - 28-pin PLCC:塑料有引线芯片载体封装

### 参数特性 - 低功耗:采用先进CMOS技术,降低功耗并提高噪音免疫。 - DTMF发射器/接收器:标准6500/6800微处理器端口。 - 单+5伏电源供电:操作简便,只需脉冲信号。 - 自动音爆模式:内部计数器自动产生精确的音爆发。 - 呼叫进度模式:可由外部微处理器选择,用以分析呼叫进度音。

### 功能详解 - DTMF收发器:基于行业标准的CM8870 DTMF接收器,发射器使用开关电容D/A转换器,以实现低失真、高精确度的DTMF信号。 - 内部架构:包括高性能DTMF接收器、内置增益设置放大器和DTMF生成器。 - 信号处理:通过两个六阶开关电容带通滤波器分离低组和高组音调,随后进行限幅和解码,以确定输入音调的频率。

### 应用信息 - 寻呼系统:寻呼系统 - 中继系统/移动无线电:中继系统和移动无线电 - 互联拨号器:互联拨号器 - PABX系统:专用自动交换机系统 - 计算机系统:计算机系统 - 传真机:传真机 - 付费电话:付费电话 - 信用卡验证:信用卡验证

### 封装信息 - 20-pin DIP、20-pin SOIC、28-pin PLCC:提供多种封装选项以适应不同应用需求。
CM8880-1EI 价格&库存

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