ADUM1201WTRZ Datasheet

Isolator Interface IC


The ADUM1201WTRZ are dual-channel digital isolators based on the Analog Devices, Inc., iCoupler® technology. Combining high speed CMOS and monolithic transformer technologies, these isolation components provide outstanding performance characteristics superior to alternatives, such as optocouplers. By avoiding the use of LEDs and photodiodes, iCoupler devices remove the design difficulties commonly associated with optocouplers. The typical optocoupler concerns regarding current transfer ratios, nonlinear transfer functions, and temperature and lifetime effects are eliminated with the simple iCoupler digital interfaces and stable performance characteristics. The need for external drivers and other discrete components is eliminated with these iCoupler products. Furthermore, iCoupler devices consume one-tenth to one-sixth the power of optocouplers at comparable signal data rates. ADUM1201WTRZ Features •High temperature operation: 125°C •High data rate: dc to 25 Mbps (NRZ) •Precise timing characteristics -3 ns maximum pulse width distortion -3 ns maximum channel-to-channel matching •High common-mode transient immunity: >25 kV/μs •Qualified for automotive applications ADUM1201WTRZ Applications •Size-critical multichannel isolation •SPI interface/data converter isolation •RS-232/RS-422/RS-485 transceiver isolation •Digital field bus isolation •Hybrid electric vehicles, battery monitor, and motor drive


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