The Optically Isolated Modulator A7860/HCPL-7860/HCPL-786J. In power inverters, this isolated modulator enables for direct measurement of motor phase currents. The modulator output is transferred across the isolation barrier via the drivers.
The A7860/HCPL-7860/HCPL-786J Isolated Modulator (optocoupler with 3750 VRMS dielectric withstand voltage rating) uses a SigmaDelta () over-sampling modulator to convert a low-bandwidth analogue input into a high-speed one-bit data stream. High noise margins and strong immunity to isolation-mode transients are provided by this modulation. The on-chip sampling clock and modulator data are encoded and transferred beyond the isolation border, where they are recovered and decoded into independent high-speed clock and data channels.
Features
- Linearity of 12 bits
- Effective Resolution: 12-bit with a 5-second signal delay (14-bit with a 102-second signal delay) (with HCPL-0872)
- Over-Range Detection in 3 seconds (with HCPL-0872)
- 200 mV Input Range with a Single 5 V Supply
- Internal Reference Voltage Matching of 1%
- Offset Calibration (with HCPL-0872)
- Operating Temperature Range: -40°C to +85°C
- Isolation Transient Immunity at 15 kV/s
- UL 1577, CSA, and IEC/EN/DIN EN 60747-5-2 safety approvals
Applications
- Motor Phase and Rail Current Sensing
- Data Acquisition Systems
- Industrial Process Control
- Inverter Current Sensing
- General Purpose Current Sensing and Monitoring
For more info. you can refer: A7860 Datasheet
Specification
| Model | A7860 |
| Brand | Awago |
| Operating Supply Voltage | 5V |
| Minimum Operating Temperature | - 40° C |
| Maximum Operating Temperature | +85° C |
| Maximum Clock Frequency | 13.2 MHz |
| Reference Voltage | 320mV |
| SNR - Signal to Noise Ratio | 73dB (max) |
| Package | DIP |
FAQs
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