ISO7842 provides high electromagnetic immunity and low emissions

This post sponsored by Texas Instruments.

The ISO7842 is a high-performance, quad-channel 2/2 digital isolator (100Mbps) with 8000 VPK isolation voltage.  

This device is being reviewed for reinforced isolation certification by VDE and CSA. This isolator provides high electromagnetic immunity and low emissions at low power consumption while isolating CMOS or LVCMOS digital I/O’s. Each isolation channel has a logic input and output buffer separated by silicon dioxide insulation barrier.

On each side, the ISO7842 comes with enable pins that can be used to put the respective outputs in high impedance for multi-master driving applications and to reduce power consumption. ISO7842 has two forward- and two reverse-direction channels. In case of input power or signal loss, the default output is “high” for this device.

Used with isolated power supplies, this device prevents noise currents on a data bus or other circuits from entering the local ground and interfering with or damaging sensitive circuitry. Through innovative chip design and layout techniques, electromagnetic compatibility of ISO7842 has been significantly enhanced to ease system-level ESD, EFT, surge, and emissions compliance. Texas Instruments' ISO7842 is currently available in a 16-pin SOIC wide-body (DW) package.

For detailed information about the tool mentioned above, click here.
To download a datasheet, click here.

To buy now at Mouser, click here.