ACPL-790x Precision Isolation Amplifiers Broadcom ACPL-7900, ACPL-790A, and ACPL-790B precision isolation amplifiers are designed for current and voltage sensing in electronic power converters in applications including motor drives and renewable energy systems. The ACPL-7900 (±3% gain tolerance) and ACPL-790A (±1% gain tolerance) are recommended for general applications. The ACPL-790B (±0.5% gain tolerance) is ideal for high-precision applications.