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BROADCOM HCPL-7840-300E

Optocoupler, Optically Isolated Amplifier, 1 Channel, Surface Mount DIP, 8 Pins, 3.75 kV, 100 kHz

BROADCOM HCPL-7840-300E
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Manufacturer:
BROADCOM BROADCOM
Manufacturer Part No:
HCPL-7840-300E
Newark Part No.:
31K7061
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Technical Datasheet:
HCPL-7840-300E   Datasheet
ECAD / MCAD
Supply Frame Models Link
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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

Warnings

Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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:
1 Channel

:
Surface Mount DIP

:
8Pins

:
3.75kV

:
-

:
100kHz

:
-

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Technical Documents (4)

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