FOD0721, FOD0720, FOD0710 is a high CMR, 25Mbit/sec logic gate optocoupler from Fairchild Semiconductor Corporation. Its features include 20kV/µs minimum CMR, 40ns maximum propagation delay, 25Mbit/sec data rate, 6ns pulse width distortion, +5V CMOS compatibility, -40 to 100°C temperature range, UL1577, 3750 VACrms for 1 minute (File #E90700, Volume 2) and IEC60747-5-2 pending approval of safety and regulatory approvals.
The document describes the FOD0721, FOD0720, and FOD0710 family of high-speed logic gate optocouplers. These devices utilize Fairchild's proprietary Optoplanar technology and feature a high-speed AlGaAs LED coupled to a CMOS detector IC. They are designed for industrial fieldbus communications, programmable logic control, and isolated data acquisition systems, offering a minimum Common Mode Noise Rejection (CMR) rating of 20kV/us.
| Common Mode Noise Rejection (CMR) | 20kV/us minimum |
|---|---|
| Propagation Delay | 40ns max |
| Data Rate | 25Mbit/sec (FOD0721 and FOD0720) |
| Pulse Width Distortion | 8ns (FOD0720 and FOD0710) |
| Operating Temperature Range | -40 to 100°C |
| Input Supply Voltage | 4.5 to 5.5 V |
| Input-Output Isolation Voltage | 3750 Vacrms |
| Package Type | 8-pin small outline package |
The recommended ambient operating temperature range is -40°C to +100°C.
The devices have a minimum CMR of 20kV/us.
The maximum propagation delay is 40ns.
Both input and output supply voltages should be between 4.5V and 5.5V.