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保护,接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,采用家庭电力网络的ASK数据发送。本文介绍了TDA5051A主要特性和优势,方框图,多种应用电路和测量电路。
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 主要特性和优势:
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
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