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The ISO7762FDBQR devices are high-performance six-channel digital isolators providing a 3000VRMS isolation rating (DBQ package) compliant with UL 1577. This series is also certified to VDE, CSA, TUV and CQC standards.

While isolating CMOS or LVCMOS digital I/O, the ISO776x series devices also deliver high electromagnetic immunity and low emissions, coupled with low power consumption. Each isolated channel features logic input and logic output buffers separated by a silicon dioxide (SiO₂) insulated gate. Devices in the ISO776x series are available in all possible pin configurations, enabling all six channels to be in the same direction, or one, two, or three channels to be in reverse while the remaining channels are in forward direction. If the input power or signal is lost, devices without the suffix “F” default to a high output level, while those with the suffix “F” default to a low output level. For further details, please refer to the Device Function Modes section.

The ISO7762FDBQR device, when used with an isolated power supply, helps prevent noise currents from data buses (such as RS-485, RS-232, and CAN) or other circuits from entering the local ground, thereby avoiding interference with or damage to sensitive circuits. Through innovative chip design and layout techniques, the ISO776x series exhibits significantly enhanced electromagnetic compatibility, mitigating system-level ESD, EFT, and surge issues while meeting radiated standards. The ISO7762FDBQR is available in a 16-pin SSOP package.

Features of the ISO7762FDBQR

100 Mbps data rate

Robust isolation barrier:

Expected lifetime exceeding 30 years

Isolation rating up to 5000 VRMS

Surge capability up to 12.8 kV

CMTI typical value: ±100 kV/µs

Wide supply voltage range: 2.25 V to 5.5 V

2.25V to 5.5V level shifting

Default low output level (ISO776xF)

Wide operating temperature range: –55°C to +125°C

Low power consumption, typical current per channel at 1Mbps: 1.4mA

Low propagation delay: 11ns (typical) at 5V

Superior electromagnetic compatibility (EMC):

System-level ESD, EFT and surge immunity

±8kV IEC 61000-4-2 contact discharge protection across isolation barrier

Low emissions

Wide-body SSOP (DBQ-16) package

Technical Specifications for ISO7762FDBQR:

Number of Channels:    6 Channel    

Polarity:    Unidirectional    

Data Rate:    100 Mb/s    

Insulation Voltage:    3000 Vrms    

Isolation Type:    Capacitive Coupling    

Supply Voltage - Maximum:    5.5 V    

Supply Voltage - Minimum:    2.25 V

Operating Power Supply Current:    16.5 mA, 25.7 mA    

Propagation Delay Time:    11 ns    

Minimum Operating Temperature:    -55°C    

Maximum Operating Temperature:    +125°C

ISO7762FDBQR Applications

• Industrial Automation

• Motor Control

• Power Supplies

• Photovoltaic Inverters

• Medical Equipment

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