ISO7641FMDWR Description
According to UL and VDE, ISO7641FMDWR offers galvanic isolation up to 6 KVPK for one minute. The gadget has a 5-KVRMS certification as well. According to end equipment standards EN/UL/CSA 60950-1 and 61010-1, reinforced isolation is required at a working voltage of 400 VRMS. The quad-channel isolators ISO7640F and ISO7641F each have four forward channels and three forward and one reverse channel, respectively. In fail-safe circumstances, output defaults to Low-state, as indicated by the suffix F). High-speed isolators called M-Grade devices can handle 150 Mbps of data flow with little propagation delays.
A silicon dioxide (SiO2) insulating barrier divides the logic input and output buffers of each isolation channel. These gadgets guard against noise currents on a data bus or other circuits entering the local ground and interfering with or harming delicate equipment when used in conjunction with isolated power supply. The devices can be powered by 2.7-V, 3.3-V, and 5-V sources and have TTL input thresholds. When powered by 3.3-V or 2.7-V sources, all inputs are 5-V tolerant.
ISO7641FMDWR Features
50-KV/µs Transient Immunity, Typical
Long Life With SiO2 Isolation Barrier
Operates From 2.7-V, 3.3-V, and 5-V Supply and Logic Levels
Wide Body SOIC-16 Package
Safety and Regulatory Approvals
– 6000 VPK / 4243 VRMS for 1 Minute per UL 1577
– VDE 6000 VPK Transient Overvoltage, 1414 VPK Working Voltage per DIN V VDE V 0884-10 (VDE V 0884-10):2006-12
– CSA Component Acceptance Notice 5A, IEC 60950-1, IEC 61010-1, and IEC 60601-1 End Equipment Standards
– TUV 5 KVRMS Reinforced Insulation per EN/UL/CSA 60950-1 and EN/UL/CSA 61010-1
– CQC Reinforced Insulation per GB4943.1-2011
– ISO7640FM: 2 mA at 25 Mbps
– ISO7641FM: 2.4 mA at 25 Mbps
Low Propagation Delay: 7-ns Typical
Output Defaults to Low-State in Fail-Safe Mode
Wide Temperature Range: –40°C to 125°C
ISO7641FMDWR Applications
– Industrial Fieldbus
– Profibus
– Modbus
– DeviceNet™ Data Buses
– Servo Control Interface
– Motor Control
– Power Supplies
– Battery Packs
