SCM3728ASA

SCM3728ASA Features

• 3 V to 5.5 V level translation
• High common-mode transient immunity: 75 kV/µs typical
• High robustness to radiated and conducted noise
• High ESD rating
• Ultra low power consumption 0.58mA/channel(1Mbps)
• Wide temperature range: -40°C ~ 125°C
• Isolation voltages: AC 3000Vrms
• High data rate:10Mbps

SCM3728ASA Applications

• General-purpose multichannel isolation
• Industrial field bus isolation

SCM3728ASA Functional

The SCM3725ASA/SCM3728ASA digital isolators by using maturated standard semiconductor CMOS technology and Capacitancepulseisolationtechnology, these isolation components provide outstanding performance characteristics and reliability superior to alternatives such as optocouplerdevices and other integrated isolators.

Capacitance pulse isolation technology is a new generation digital isolator technology . It uses the principle of capacitor voltage divider totransmitvoltage signal directly cross the isolator capacitor without signal modulation and demodulation.

The SCM3725ASA/SCM3728ASA isolator data channels are independent and different models have different transmission directions withawithstand voltage rating of 3 kV rms and the data rate from DC up to 10Mbps . The devices operate with the supply voltage on either siderangingfrom3.0 V to 5.5 V, providing compatibility with lower voltage systems as well as enabling voltage translation functionality across the isolationbarrier. Thefail-safe state is available in which the outputs transition to a preset state when the input power supply is not applied.