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HCPL-7840-300E
Optocoupler, Optically Isolated Amplifier, 1 Channel, Surface Mount DIP, 8 Pins, 3.75 kV, 100 kHz
- Manufacturer:
- BROADCOM BROADCOM
- Manufacturer Part No:
- HCPL-7840-300E
- Newark Part No.:
- 31K7061
- Technical Datasheet:
- HCPL-7840-300E Datasheet
Product Overview
The HCPL-7840-300E is an Isolation Amplifier designed for current sensing in electronic motor drives. In a typical implementation, motor currents flow through an external resistor and the resulting analogue voltage drop is sensed by this. A differential output voltage is created on the other side of this optical isolation barrier. This differential output voltage is proportional to the motor current and can be converted to a single-ended signal by using an op-amp as shown in the recommended application circuit. Since common-mode voltage swings of several hundred volts in tens of nanoseconds are common in modern switching inverter motor drives, this was designed to ignore very high common mode transient slew rates (of at least 10kV/μs).
- 15kV/μs Common-mode rejection at 1000V VCM
- 0.00025V/V/°C Gain drift vs. temperature
- 0.3mV Input offset voltage
- 100kHz Bandwidth
- 0.004% Nonlinearity
- Fully differential circuit topology
Applications
Motor Drive & Control, Sensing & Instrumentation, Power Management
Product Information
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- :
- 1 Channel
- :
- Surface Mount DIP
- :
- 8Pins
- :
- 3.75kV
- :
- -
- :
- 100kHz
- :
- -
Technical Docs (2)
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| 250+ | $6.36 | |
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