ALD2701SAL

Overview

The ALD2701SAL is a dual micropower rail-to-rail CMOS operational amplifier in an 8-pin SOIC package. It operates on single supplies from +2V to +10V or dual supplies from ±1V to ±5V, with a maximum supply current of 500µA at 5V. Key electrical parameters include a unity gain bandwidth of 700KHz and a slew rate of 0.7V/µs at ±2.5V. The device features extremely low input bias currents of 1pA typical, high open-loop voltage gain of 100V/mV, and output short circuit protection. Operating temperature range for the SAL package is 0°C to +70°C.

Feature Summary

• Rail-to-rail input and output voltage ranges enable full signal swing capability near supply rails.
• Extremely low input bias current of 1.0pA supports high source impedance applications.
• Internally compensated for unity gain stability without requiring external nulling resistors.
• Output stage provides short circuit protection and can drive capacitive loads up to 50pF.

Applications

• Voltage follower and buffer circuits
• Photodiode amplifiers
• Charge integrators
• High performance portable instruments
• Active filters

Procurement Notes

Verify the specific suffix 'SAL' corresponds to the 8-pin Small Outline Plastic DIP (SOIC) package variant when ordering. Confirm that the required operating environment falls within the 0°C to +70°C range specified for this package type. Ensure static control procedures are followed during handling due to ESD sensitivity. Cross-reference the manufacturer's latest datasheet revision to confirm pinout compatibility with existing designs.

Selection Notes

Select the ALD2701SAL for applications requiring low power consumption and rail-to-rail signal handling in single or dual supply systems. The device is suitable where high input impedance and low offset voltage drift are critical. Consider the 8-pin SOIC package constraints regarding thermal dissipation and board space. Evaluate the 700KHz bandwidth against system frequency requirements to ensure adequate performance margins.

Part Context

The ALD2701 series includes variants such as ALD2701APAL (PDIP) and ALD2701ADA (CERDIP). The ALD2701SAL specifically denotes the surface-mount SOIC package version. All variants share identical electrical characteristics but differ in physical packaging and operating temperature ranges. The DA package offers extended temperature capabilities compared to the standard SAL and PAL packages.

Replacement Considerations

The datasheet notes compatibility with industry standard pin configurations of µA741 and ICL7621 types. Verify pinout alignment before substitution. No direct public substitute part numbers are listed in the provided documentation.