Description
The Broadcom® ACPL-C87AT/C87BT isolation sensors utilize superior optical coupling technology, with sigma-delta (Σ-Δ) analog-to-digital converter, chopper stabilized amplifiers, and a fully differential circuit topology to provide unequaled isolation-mode noise rejection, low offset, high gain accuracy and stability.
FEATUREs
• Unity gain
• ± 0.5% (ACPL-C87BT) and ± 1% (ACPL-C87AT) gain
tolerance @ 25°C
• –0.3 mV Input offset voltage
• 0.05% non linearity
• 25 ppm/°C gain drift vs. temperature
• 100 kHz bandwidth
• 0 to 2V nominal input range
• Qualified to AEC-Q100 Grade 1 test guidelines
• Operating temperature: –40°C to +125°C
• Shutdown feature (active high)
• 15 kV/µs common-mode rejection at VCM = 1 kV
• Working voltage, VIORM = 1414 Vpeak
• Compact, surface mount stretched SO8 package
• Worldwide safety approval:
– UL 1577 (5000 VRMS/1 minute)
– CSA
– IEC/EN/DIN EN 60747-5-5
APPLICATIONs
• Automotive BMS battery pack voltage sensing
• Automotive DC/DC converter voltage sensing
• Automotive motor inverter DC bus voltage sensing
• Automotive AC/DC (charger) DC output voltage
sensing
• Isolation interface for temperature sensing
• General-purpose voltage sensing and monitoring