Datenblatt-Suchmaschine für elektronische Bauteile |
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HCPL-7860-500 Datenblatt(PDF) 1 Page - Agilent(Hewlett-Packard) |
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HCPL-7860-500 Datenblatt(HTML) 1 Page - Agilent(Hewlett-Packard) |
1 / 18 page Agilent HCPL-7860/HCPL-786J Optically Isolated Sigma-Delta ( Σ−∆ Σ−∆ Σ−∆ Σ−∆ Σ−∆) Modulator Data Sheet Features ••••• 12-bit Linearity ••••• 200 ns Conversion Time (Pre- Trigger Mode 2 with HCPL-0872) ••••• 12-bit Effective Resolution with 5 µµµµµs Signal Delay (14-bit with 102 µµµµµs) (with HCPL-0872) ••••• Fast 3 µµµµµs 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/µµµµµs Isolation Transient Immunity ••••• Safety Approval: UL 1577, CSA and IEC/EN/DIN EN 60747-5-2 Applications ••••• Motor Phase and Rail Current Sensing ••••• Data Acquisition Systems ••••• Industrial Process Control ••••• Inverter Current Sensing ••••• General Purpose Current Sensing and Monitoring Description The HCPL-7860/HCPL-786J Optically Isolated Modulator and 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 (optocoupler with 3750 VRMS dielectric withstand voltage rating) converts a low- bandwidth analog input into a high-speed one-bit data stream by means of a Sigma-Delta ( Σ− ∆) 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. A 0.1 µF bypass capacitor must be connected between pins VDD and Ground CAUTION: It is advised that normal static precautions be taken in handling and assembly of this component to prevent damage and/or degradation, which may be induced by ESD. SPI and QSPI are trademarks of Motorola Corp. Microwire is a trademark of National Semiconductor Inc. SIGMA DELTA MOD./ ENCODE DECODE 1 2 3 4 8 7 6 5 Input Current HCPL-0872 or Digital Filter MCU or DSP HCPL-7860 |
Ähnliche Teilenummer - HCPL-7860-500 |
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Ähnliche Beschreibung - HCPL-7860-500 |
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