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.