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Home » NEWEST Products » New by Manufacturer » Avago Technologies » Avago ACPL-C87B / 87A / 870 Optically Isolated Voltage Sensors
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Avago ACPL-C87B / 7A / 70 Optically Isolated Voltage Sensors

Avago ACPL-C87B / ACPL-C87A / ACPL-C870 Optically Isolated Voltage Sensors

Avago Technologies ACPL-C87B / ACPL-C87A / ACPL-C870 Optically Isolated Voltage Sensors are optical isolation amplifiers designed specifically for voltage sensing. The 2V input range and high 1GΩ input impedance makes these Avago devices well suited for isolated voltage sensing requirements in electronic power converters applications, including motor drives and renewable energy systems. ACPL-C87A (±1% gain tolerance) and ACPL-C870 (±3% gain tolerance) are ideal for general applications. For high precision requirements, ACPL-C87B (±0.5% gain tolerance) is ideal. Avago ACPL-C87B / C87A / C870 optical isolation amplifiers operate from a single 5V supply and provide excellent linearity. An active-high shutdown pin is available to reduce the Idd1 current to only 15 uA, making these devices suitable for battery-powered and other power-sensitive applications.

Features
  • 0.5% High Gain Accuracy (ACPL-C87B only)
  • Unity Gain 1V/V
  • -35 ppm/°C Low Gain Drift
  • -0.3 mV Input Offset Voltage
  • 0.1% Excellent Non-Linearity Max
  • Active High Shutdown Pin
  • 100 kHz Wide Bandwidth
  • 3 V to 5.5 V Wide Supply Range for Output Side
  • –40°C to +105°C Operating Temperature Range
  • Advanced Sigma-Delta A/D Modulation Technology
  • 15 kV/µs Common-Mode Transient Immunity
  • Compact, Auto-Insertable Stretched SO-8 Package
  • Safety and Regulatory Approvals (pending):
    • IEC/EN/DIN EN 60747-5-5: 1230 Vpeak working insulation voltage
    • UL 1577: 5000 Vrms/1min double protection rating
    • CSA: Component Acceptance Notice #5
Applications
  • Isolated Voltage Sensing in AC and Servo Motor Drives
  • Isolated DC-Bus Voltage Sensing in Solar Inverters, Wind Turbine Inverters
  • Isolated Sensor Interfaces
  • Signal Isolation in Data Acquisition Systems
  • General Purpose Voltage Isolation

Functional Diagram and Pin Description

Functional Diagram and Pin Description

Typical Application Circuit

Typical Application Circuit
  • Avago Technologies
  • Semiconductors|Integrated Circuits|IC-Amplifier