特性

• 模拟前端
• 精密基准电压
• 数字接口
• 用于Atmel MCU和计量库的单相电能计量模拟前端
• 符合0.2级标准（ansi c12.20-2002和iec 62053-22）
• 三个sigma-delta adc测量通道:一个电压，两个电流，102 db动态范围
• 现有预增益通道(x1, x2, x4, x8)
• 支持分流器、电流互感器和罗氏线圈
• 防篡改测量专用电流通道
• 集成sinc抽取滤波器。输出数据速率：16 ksps典型值
• 集成2.8V LDO调节器，提供模拟功能
• 运行3.0v至3.6v时，超低功率:在3.3v时< 2.5 mw典型/通道
• 标准1.2v输出电压，可能有外部旁路
• 温度漂移：50 ppm典型值（atsense-101）
• 8 mhz串行外围接口(spi)兼容模式1(8位)adc数据和afe控制
• 中断输出线信号ADC转换结束、欠载和超限
• 支持分流，电流互感器和罗格斯基线圈
• 集成2.8v ldo调节器，提供模拟功能
• 50 ppm时：典型温度漂移
• 中断输出线adc转换结束、欠运行和溢出信号

ATSENSE-101 is a multi-channel analog front end device which integrates three simultaneously sampled Sigma-Delta A\/D converters, a high precision voltage reference with up to 50 ppm\/ºC temperature stability, a programmable current signal amplification, a temperature sensor and an SPI interface. Designed to support energy measurement applications in combination with the Microchip's ATSAM4C device family that features a dedicated Cortex®-M4 processor and metrology library and a variety of sensors including Shunt, CT and Rogowski coils, the ATSENSE-101 achieve ANSI C12.20-2002 and IEC 62053-22 metering accuracy classes of up to 0.2% over 3000:1 current range.","Additional Features