AMC1302 是一款隔离式精密放大器,此放大器的输出与输入电路由抗电磁干扰性能极强的隔离层隔开。该隔离栅经认证可提供高达 5kVRMS 的增强型电隔离,符合 VDE V 0884-11 和 UL1577 标准,并且可支持最高 1.5kVRMS 的工作电压。
该隔离栅可将系统中以不同共模电压电平运行的各器件隔开,并保护电压较低的器件免受高电压冲击。
AMC1302 的输入针对直接连接低阻抗分流电阻器或其他具有低信号电平的低阻抗电压源的情况进行了优化。出色的直流精度和低温漂支持在 –40°C 至 +125°C 的工业级工作温度范围内,在 PFC 级、直流/直流转换器、交流电机和伺服驱动器中进行精确的电流控制。
集成的无分流器和无高侧电源检测功能可简化系统级设计和诊断。
器件型号 | 封装 | 封装尺寸(标称值) |
---|---|---|
AMC1302 | SOIC (8) | 5.85mm × 7.50mm |
Changes from Revision C (October 2019) to Revision D (June 2021)
Changes from Revision B (November 2018) to Revision C (October 2019)
PIN | TYPE | DESCRIPTION | |
---|---|---|---|
NO. | NAME | ||
1 | VDD1 | High-side power | High-side power supply.(1) |
2 | INP | Analog input | Noninverting analog input. Either INP or INN must have a DC current path to GND1 to define the common-mode input voltage.(2) |
3 | INN | Analog input | Inverting analog input. Either INP or INN must have a DC current path to GND1 to define the common-mode input voltage.(2) |
4 | GND1 | High-side ground | High-side analog ground. |
5 | GND2 | Low-side ground | Low-side analog ground. |
6 | OUTN | Analog output | Inverting analog output. |
7 | OUTP | Analog output | Noninverting analog output. |
8 | VDD2 | Low-side power | Low-side power supply.(1) |
MIN | MAX | UNIT | ||
---|---|---|---|---|
Power-supply voltage | High-side VDD1 to GND1 | –0.3 | 6.5 | V |
Low-side VDD2 to GND2 | –0.3 | 6.5 | V | |
Analog input voltage | INP, INN | GND1 – 6 | VDD1 + 0.5 | V |
Output voltage | OUTP, OUTN | GND2 – 0.5 | VDD2 + 0.5 | V |
Input current | Continuous, any pin except power-supply pins | –10 | 10 | mA |
Temperature | Junction, TJ | 150 | °C | |
Storage, Tstg | –65 | 150 |