HCPL-V454

฿ 520

Features
• 12-bit Linearity
• 200 ns Conversion Time
(Pre-Trigger Mode 2 with HCPL-0872)
• 12-bit Effective Resolution with 5 μs Signal Delay
(14-bit with 102 μs) (with HCPL-0872)
• Fast 3 μs Over-Range Detection (with HCPL-0872)
• ± 200 mV Input Range with Single 5 V Supply
• 1% Internal Reference Voltage Matching
• Offset Calibration (with HCPL-0872)
• -40°C to +85°C Operating Temperature Range
• 15 kV/μs Isolation Transient Immunity
• Safety Approval: UL 1577, CSA and IEC/EN/DIN EN
60747-5-5

Applications
• Motor Phase and Rail Current Sensing
• Data Acquisition Systems
• Industrial Process Control
• Inverter Current Sensing
• General Purpose Current Sensing and Monitoring

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Description

Description
The HCPL-7860/HCPL-786J Optically Isolated Modulatorand HCPL-0872 Digital Interface IC or digital filter together form an isolated programmable two-chip analog-to-digital converter. The isolated modulator allows direct measurement of motor phase currents in power inverters. In operation, the HCPL-7860/HCPL-786J Isolated Modulator converts a low-bandwidth analog input into a high speed one-bit data stream by means of a Sigma-Delta
(Σ−Δ) over-sampling modulator. This modulation provides for high noise margins and excellent immunity against
isolation-mode transients. The modulator data and on chip sampling clock are encoded and transmitted across
the isolation boundary where they are recovered and decoded into separate high-speed clock and data channels.

Additional information

Package

SOP, DIP
RoHS Compliant

-000E, -300E, -500E

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