ADA4841-1YRZ

Overview

The ADA4841-1YRZ is a single-channel, unity-gain stable operational amplifier manufactured by Analog Devices Inc. It features low power consumption with a maximum quiescent current of 1.5 mA per amplifier and a typical value of 1.1 mA. The device provides a wide supply voltage range from 2.7 V to 12 V. Key electrical parameters include an 80 MHz gain-bandwidth product, a slew rate of 12 V/µs, and a settling time of 175 ns to 0.1%. Noise performance is characterized by 2.1 nV/√Hz input voltage noise and 1.4 pA/√Hz input current noise at 100 kHz. The output stage supports rail-to-rail operation, swinging within 50 mV of either supply rail.

Feature Summary

• Rail-to-rail output capability extending within 50 mV of the supply rails for maximum dynamic range.
• Low power architecture delivering high-speed performance with minimal quiescent current consumption.
• Ultra-low noise characteristics suitable for precision signal processing applications.
• Integrated power-down function to significantly reduce standby current.

Applications

• Driving 16-bit PulSAR ADCs
• Battery-powered instrumentation
• Low power, low noise signal processing

Procurement Notes

Verify the package type matches the required PCB footprint, as the YRZ suffix indicates an 8-lead SOIC_N package. Confirm that the operating temperature range meets the specific environmental requirements of the target application. Ensure that the power supply voltages remain within the specified 2.7 V to 12 V limits during all operational phases.

Selection Notes

Select this component when a balance between low power consumption and high-speed precision is required. It is particularly suitable for portable devices where battery life is critical but signal integrity must be maintained. Consider the integrated power-down feature if system-level energy savings are necessary during idle periods.

Part Context

This part belongs to the ADA4841 family of low power, low noise amplifiers. The -1 designation specifies a single-channel configuration, distinguishing it from the dual-channel ADA4841-2. The series utilizes ADI's second-generation XFCB process to achieve trimmed offset voltage and supply current, ensuring consistent performance across industrial temperature ranges.

Replacement Considerations

ADA4841-2YRZ

FAQ

What is the input common-mode voltage range?

The input common-mode voltage range extends down to the negative supply rail.

How does the device handle capacitive loads?

The amplifier can drive up to 10 pF of capacitive load with minimal peaking.