HCPL-7840-560E by Broadcom | Other OptoCouplers | Avnet ASIA
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HCPL-7840-560E

Broadcom

OptoCoupler 1-CH 8-Pin PDIP SMD T/R

Manufacturer Part #: HCPL-7840-560E

Alternate Part #: HCPL-7840-560E


RoHS Compliant

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The HCPL-7840 isolation amplifi er family was designedfor current sensing in electronic motor drives. In a typicalimplementation, motor currents fl ow through an externalresistor and the resulting analog voltage drop is sensed bythe HCPL-7840. A diff erential output voltage is created onthe other side of the HCPL-7840 optical isolation barrier.This diff erential output voltage is proportional to themotor current and can be converted to a single-endedsignal by using an op-amp as shown in the recommendedapplication circuit. Since common-mode voltage swingsof several hundred volts in tens of nanoseconds arecommon in modern switching inverter motor drives, theHCPL-7840 was designed to ignore very high commonmodetransient slew rates (of at least 10 kV/µs).The high CMR capability of the HCPL-7840 isolationamplifi er provides the precision and stability needed toaccurately monitor motor current in high noise motorcontrol environ-ments, providing for smoother control(less “torque ripple”) in various types of motor controlapplications.The product can also be used for general analog signalisolation applications requiring high accuracy, stability,and linearity under similarly severe noise con-ditions. Forgeneral applications, we recommend the HCPL-7840 (gaintolerance of ± 5%). The HCPL-7840 utilizes sigma delta(∑-Δ) analog-to-digital converter technology, chopperstabilized amplifi ers, and a fully diff erential circuit topologyfabricated using Avago’s 0.8 µm CMOS IC process.Together, these features deliver unequaled isolationmodenoise rejection, as well as excellent off set and gainaccuracy and stability over time and temperature. Thisperformance is delivered in a compact, auto-insertable,industry standard 8-pin DIP package that meets worldwideregulatory safety standards. (A gull-wing surfacemount option #300 is also available).

Key Features

  • 15 kV/µs common-mode rejection at VCM = 1000 V
  • Compact, auto-insertable standard 8-pin DIP package
  • 0.00025 V/V/°C gain drift vs. temperature
  • 0.3 mV input off set voltage
  • 100 kHz bandwidth
  • 0.004% nonlinearity
  • Worldwide safety approval:
    • UL 1577 (3750 Vrms/1 min.) and CSA, IEC/EN/DIN EN 60747-5-2
  • Advanced Sigma-Delta (∑-Δ) A/D converter technology
  • Fully diff erential circuit topology
  • 0.8 µm CMOS IC technology

Technical Attributes

Description
Value
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Lead Finish
Matte Tin
MSL Level
1
Operating Supply Voltage
4.5 to 5.5 V
Product Dimensions
9.8 x 6.35 x 3.56 mm
Pin Count
8
Operating Temperature
-40 to 85 °C
Minimum Isolation Voltage
3750 V
Max Processing Temp
260
Number of Channels per Chip
1
Mounting
Surface Mount
Supplier Package
PDIP SMD

ECCN / UNSPSC

Description
Value
ECCN:
EAR99
SCHEDULE B:
8541408000"
HTSN:
8541408000"
UNSPSC:
32111700
UNSPSC VERSION:
V15.1101
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