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) (%) | Temp Range | Vs span (max) (V) | Vs span (min) (V) | Vs Type | Price (1000+) ($ US) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | ADUM3190S | 1 | 400k | 500 | 0.83 | 2.7 | 0.7 | -55 to 125°C | 20 | 3 | Single | - |
| 2 | ADUM4190 | 1 | 400k | 5k | 0.83 | 2.7 | 1 | -55 to 125°C | 20 | 3 | Single | $1.20 (ADUM4190ARIZ) |
| 3 | ADUM3190 | 1 | 400k | 2.5k | 0.9 | 2.86 | 1 | -40 to 125°C | 20 | 3 | Single | $1.04 (ADUM3190ARQZ) |
| 4 | AD215 | 2 | 120k | 1500 | 1 | 100 | 0.01 | -40 to 85°C | 34 | 28.5 | Dual | $48.94 (AD215AY) |
| 5 | AD208 | 2 | 4k | 1500 | 1 | 1000 | 0.0125 | -40 to 85°C | - | - | Single | $82.50 (AD208AY) |
| 6 | AD203 | 2 | 10k | 1500 | 1 | 10 | 0.025 | -55 to 125°C | 16 | 12 | Single | $115.94 (AD203SN) |
| 7 | AD210 | 3 | 20k | 2500 | 1 | 100 | 0.012 | -25 to 85°C | 16.5 | 13.5 | Single | $52.63 (AD210JN) |
| 8 | AD204 | 2 | 5k | 1500 | 1 | 100 | 0.025 | 0 to 70°C | 16.5 | 13.5 | Single | $30.34 (AD204JN) |
| 9 | AD202 | 2 | 5k | 1500 | 1 | 100 | 0.025 | 0 to 70°C | 16.5 | 13.5 | Single | $33.73 (AD202JN) |
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