ISO7421FED Texas Instruments - Yeehing Electronics

Dual-channel, 1/1, 50-Mbps, default output low digital isolator

Pricing (USD)

Quantity	Unit Price
1 — 99	2.899
100 — 249	2.54
250 — 999	1.781
1,000 +	1.00

The above prices are for reference only.

Specifications

For more information, please refer to datasheet

Documents

ISO7421FED Datasheet

More Information

ISO742x provide galvanic isolation up to 2500 VRMS for 1 minute per UL and 4242 VPK per VDE. These devices have two isolated channels. Each channel has a logic input and output buffer separated by a silicon dioxide (SiO2) insulation barrier. Used in conjunction with isolated power supplies, these devices prevent noise currents on a data bus or other circuit from entering the local ground and interfering with or damaging sensitive circuitry. ISO7420 has both channels in the same direction while ISO7421 has the two channels in opposite direction. In case of input power or signal loss, default output is 'low' for devices with suffix 'F' and 'high' for devices without suffix 'F'. ISO742x have no integrated noise filter and thus have fast propagation delays.