The ADA4691-2ACPZ-R7 is a high-performance, CMOS operational amplifier from Analog Devices Inc. This precision op-amp is designed to offer low noise and low input bias currents, making it an excellent choice for a wide range of applications that require high accuracy and signal fidelity.

Key Features

• Supply Voltage: The device operates from a 2.7 V to 5.5 V single supply voltage, making it versatile for both low-voltage and standard 5 V systems.
• Low Offset Voltage: With a typical offset voltage of just 25 µV, the ADA4691-2ACPZ-R7 ensures precision in measurement and control systems.
• Low Noise: It features a low voltage noise density of 8 nV/√Hz at 1 kHz, which is ideal for audio applications and other noise-sensitive circuits.
• Dual Operational Amplifiers: This package contains two independent op-amps, providing design flexibility and saving space on the PCB.
• High Output Current: Capable of delivering a high output current, this op-amp can drive capacitive loads effectively.
• Rail-to-Rail Output: The ADA4691-2ACPZ-R7 provides a rail-to-rail output swing, which maximizes the dynamic range in battery-powered designs.
• Extended Temperature Range: It operates over an industrial temperature range of -40°C to +125°C, ensuring reliability in harsh environments.
• Package: The device comes in a compact LFCSP (Lead Frame Chip Scale Package) with the product code suffix 'ACPZ' indicating the package type, and 'R7' denoting the reel and tape quantity for ease of manufacturing.

Applications

The ADA4691-2ACPZ-R7 is suitable for a variety of applications where precision and low-power operation are critical. It is commonly used in:

• Portable and battery-powered instruments
• Medical devices
• Sensor signal conditioning
• Data acquisition systems
• Analog filters
• Audio amplifiers
• Process control

With its combination of features, the ADA4691-2ACPZ-R7 from Analog Devices Inc. is a robust and reliable choice for designers looking to optimize their analog circuitry in both performance and size.