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HCPL-7800-300E

Optocoupler, Optically Isolated Amplifier, 1 Channel, SMD, 8, 3.75 kV, 100 kHz

BROADCOM HCPL-7800-300E

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Manufacturer:
BROADCOM BROADCOM
Manufacturer Part No:
HCPL-7800-300E
Newark Part No.:
88H7845
Technical Datasheet:
HCPL-7800-300E   Datasheet
See all Technical Docs

Product Overview

The HCPL-7800-300E 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 other side of 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, it was designed to ignore very high common-mode transient slew rates (of at least 10kV/µs). The high CMR capability of this isolation amplifier provides the precision and stability needed to accurately monitor motor current in high noise motor control environments, providing for smoother control in various types of motor control applications.
  • 15kV/µs Common-mode rejection at VCM=1000V
  • 0.00025V/V/°C Gain drift vs. temperature
  • 0.004% Non-linearity
  • Fully differential circuit topology
  • Advanced Sigma-Delta (Σ-∆) A/D converter technology
  • Fully differential circuit topology

Applications

Motor Drive & Control, Power Management, Sensing & Instrumentation

Product Information

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1 Channel

:
SMD

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8

:
3.75kV

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-

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100kHz

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-

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Technical Docs (1)

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