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关键词：消费类电子，家用电器，家庭自动化， 摘要：nxp 公司的TDA5051A家庭自动化调制解调器，单电源5V工作，数据速率600波特或1200波特，特别适用于ASK发送。TDA5051A具有全数字载波发生和整形，输出功率级具有过载掩护，吸收输入有自动增益控制（AGC），8位ADC和窄带数字滤波，容易和EN50065-1兼容网络兼容，主要用在家用电器控制，能量/热量控制，接纳家庭电力网络的ASK数据发送。本京电港论坛文章先容了TDA5051A主要特点和优势，方框架图，多种应用电路和丈量电路。 TDA5051A：Home automation modem The TDA5051A is a modem IC, specifically dedicated to ASK transmission by means of the home power supply network, at 600 baud or 1200 baud data rate. It operates from a single 5 V supply. TDA5051A 主要特点和优势： Full digital carrier generation and shaping Modulation/demodulation frequency set by clock adjustment, from microcontroller or on-chip oscillator High clock rate of 6-bit D/A (Digital to Analog) converter for rejection of aliasing components Fully integrated output power stage with overload protection Automatic Gain Control (AGC) at receiver input 8-bit A/D (Analog to Digital) converter and narrow digital filtering Digital demodulation delivering baseband data Easy compliance with EN50065-1 with simple coupling network Few external components for low cost applications SO16 plastic package TDA5051A应用： Home appliance control (air conditioning, shutters, lighting, alarms and so on) Energy/heating control Amplitude Shift Keying (ASK) data transmission using the home power network
图1{京电港论坛}。TDA5051A方框架图
图2{京电港论坛}。TDA5051A片上时钟电路典范配置图
图3{京电港论坛}。动力线不绝缘TDA5051A应用框架图
图4{京电港论坛}。动力线绝缘TDA5051A应用框架图
图5{京电港论坛}。动力线不绝缘TDA5051A应用框架图，提升了敏捷度（典范值68dBuV）
图6{京电港论坛}。动力线绝缘TDA5051A应用框架图，提升了敏捷度（典范值68dBuV）
图7{京电港论坛}。丈量THD和TX OUT信号带宽的电路原理图纸
图8{京电港论坛}。丈量误码率（BER）的电路原理图纸 详情请复制打开此衔接地址： http://www.nxp.com/documents/data_sheet/TDA5051A.pdf |
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