线性隔离器
线性隔离器可为电源设计师提供一种性能更高的单芯片解决方案,可以替代基于光耦合器和分流调节器的隔离技术。ADI ADuM3190和ADuM4190隔离式误差放大器拥有400 kHz的带宽,在25°C下典型初始精度为0.5%,在–40˚C至+125˚C的扩展温度范围内,总精度为1%。这可使AC-DC和DC-DC电源生产商大幅提高速度和工作温度范围,同时使瞬态响应改进5倍。
产品选型表
线性隔离器
SortOrder | Part# | # of Channels | BW -3 dB (typ) (Hz) | Insulation Rating (V rms) | Gain (min) (V/V) | Gain (max) (V/V) | Nonlinearity % (typ) (%) | Vs span (min) (V) | Vs span (max) (V) | Vs Type | Price (1000+) ($ US) |
---|---|---|---|---|---|---|---|---|---|---|---|
1 | ADUM4190![]() | 1 | 400k | 5k | 0.83 | 2.7 | 1 | 3 | 20 | Single | $1.20 (ADUM4190ARIZ) |
2 | ADUM3190![]() | 1 | 400k | 2.5k | 0.9 | 2.86 | 1 | 3 | 20 | Single | $1.04 (ADUM3190ARQZ) |
3 | AD215 | 2 | 120k | 1500 | 1 | 100 | 0.01 | 28.5 | 34 | Dual | $48.94 (AD215AY) |
4 | AD203 | 2 | 10k | 1500 | 1 | 10 | 0.025 | 12 | 16 | Single | $140.40 (AD203SN) |
5 | AD210 | 3 | 20k | 2500 | 1 | 100 | 0.012 | 13.5 | 16.5 | Single | $68.95 (AD210JN) |
6 | AD204 | 2 | 5k | 1500 | 1 | 100 | 0.025 | 13.5 | 16.5 | Single | $44.84 (AD204JY) |
7 | AD202 | 2 | 5k | 1500 | 1 | 100 | 0.025 | 13.5 | 16.5 | Single | $48.74 (AD202JY) |