NXP TDA5051A家庭自动化调制解调方案
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
..
