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

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SortOrderPart## of ChannelsBW -3 dB
(typ)
(Hz)
Insulation Rating
(V rms)
Gain
(min)
(V/V)
Gain
(max)
(V/V)
Nonlinearity %
(typ)
(%)
Vs span
(max)
(V)
Vs span
(min)
(V)
Vs TypePrice (1000+)
($ US)
1ADUM3190S- 400k- 0.83 2.7 0.7 20 3 Single-
2ADUM4190Reference Circuit Available 1 400k 5k 0.83 2.7 1 20 3 Single $1.20 (ADUM4190ARIZ)
3ADUM3190Reference Circuit Available 1 400k 2.5k 0.9 2.86 1 20 3 Single $1.04 (ADUM3190ARQZ)
4AD215 2 120k 1500 1 100 0.01 34 28.5 Dual $48.94 (AD215AY)
5AD203 2 10k 1500 1 10 0.025 16 12 Single $115.94 (AD203SN)
6AD210 3 20k 2500 1 100 0.012 16.5 13.5 Single $52.63 (AD210JN)
7AD204 2 5k 1500 1 100 0.025 16.5 13.5 Single $30.34 (AD204JN)
8AD202 2 5k 1500 1 100 0.025 16.5 13.5 Single $33.73 (AD202JN)