ADA4700-1ARDZ

Overview

The ADA4700-1 is a high voltage, precision operational amplifier featuring a wide operating voltage range from ±5 V to ±50 V. It provides a typical gain bandwidth product of 3.5 MHz and a slew rate of 20 V/µs. The device offers low input offset voltage (0.2 mV typical) and low input bias current (≤15 nA). It operates within an ambient temperature range of −40°C to +85°C and includes thermal regulation at junction temperatures exceeding 145°C.

Feature Summary

• High voltage operation with a wide supply range up to ±50 V
• Precision performance with low input offset voltage and drift
• Integrated thermal regulation and short-circuit protection
• Unity-gain stable with phase inversion free operation

Applications

• Automated and bench top test equipment
• High voltage regulators and power amplifiers
• Data acquisition and signal conditioning
• Piezo drivers and predrivers
• General-purpose current sensing

Procurement Notes

Verify the specific package type and ordering suffix against the manufacturer's official documentation before procurement. Confirm that the exposed pad connection requirements align with your board layout for proper thermal management. Ensure that the supply voltage limits and operating temperature ranges meet your system specifications.

Selection Notes

Select this component for applications requiring high voltage swing combined with precision DC accuracy. Consider the thermal resistance characteristics when designing for high supply voltages to manage power dissipation effectively. Evaluate the capacitive load drive capabilities if driving significant capacitance to ensure stability without additional compensation components.

Part Context

This single-channel operational amplifier belongs to Analog Devices' high voltage precision amplifier family. It is designed to replace older discrete solutions or lower performance op-amps in high voltage environments. The device integrates advanced bipolar input stages to achieve high open-loop gain while maintaining stability.

Replacement Considerations

Consult the official datasheet for direct pin-compatible alternatives within the same series. Verify that any substitute part matches the required supply voltage range and thermal regulation features.