HCPL-7840 DIP 8 Isolation Amplifier IC
The HCPL-7840 is a high-performance Isolation Amplifier IC originally developed by Avago Technologies (now Broadcom). It is designed for high-voltage current sensing and analog signal isolation in industrial and power electronics applications. It uses Sigma-Delta conversion technology to provide excellent accuracy, high noise immunity, and reinforced electrical isolation.
Specifications
Parameter Value
Product Name HCPL-7840
Package DIP-8 (Through Hole)
Type Isolation Amplifier
Supply Voltage 4.5V – 5.5V (Both Sides)
Bandwidth 100 kHz
Input Range ±200 mV Differential
Common Mode Rejection Up to 15 kV/µs
Isolation Voltage 3750 Vrms (UL1577)
Operating Temperature -40°C to +85°C
Output Differential Analog Output
Key Features
• High-accuracy isolation amplifier
• 100 kHz bandwidth
• 15 kV/µs common-mode transient immunity
• Low offset voltage and excellent linearity
• Differential input and differential output
• Industry-standard DIP-8 package
• UL, CSA, and IEC safety approvals
• Ideal for industrial environments
Applications
• Motor drive current sensing
• AC/DC inverter current monitoring
• SMPS feedback isolation
• Solar inverter systems
• UPS systems
• Industrial automation
• Power measurement equipment
• General analog signal isolation
HCPL-7840 DIP-8 Isolation Amplifier IC is a precision isolation amplifier designed for current sensing and analog signal isolation in industrial power electronics. It offers high common-mode noise rejection, 100 kHz bandwidth, excellent linearity, and reliable electrical isolation for motor drives, inverters, SMPS, and automation equipment.
