ALD2301ASAL

Overview

The ALD2301ASAL is a dual precision CMOS voltage comparator manufactured by Advanced Linear Devices Inc. It operates on a single supply of 3V to 10V or a dual supply of ±1.5V to ±5V. Key electrical parameters include a typical input bias current of 10pA, a response time of 300ns for TTL-level inputs, and a maximum supply current of 180µA. The device features open-drain outputs capable of sinking up to 60mA and supports wired-OR connections.

Feature Summary

• Features extremely low input bias currents typically at 10pA, virtually eliminating source impedance effects.
• Provides high-speed performance with a typical response time of 300ns for TTL inputs.
• Outputs are open-drain configurations allowing flexible wired-OR connections and compatibility with higher external voltages than V+.

Applications

• High source impedance voltage comparison circuits
• Dual limit window comparators
• Power supply voltage monitors
• Photo-detector sensor circuits

Procurement Notes

Verify the specific suffix 'SAL' corresponds to the 8-pin Small Outline Plastic DIP (SOIC) package. Confirm that the 'L' suffix indicates a lead-free version as per the manufacturer's ordering information. Ensure the required operating temperature range matches the commercial grade specifications of 0°C to +70°C.

Selection Notes

Select this component when low standby power consumption is critical alongside high output current capability. It serves as a functional equivalent to LM193 industry standard comparators. Consider its compatibility with CMOS, NMOS, and TTL logic families for versatile interface requirements in battery-operated instruments.

Part Context

This part belongs to the ALD2301 family, which includes variants A, B, C, and generic models. These monolithic devices utilize advanced silicon gate CMOS technology. The family is designed for high-precision analog applications requiring low power dissipation of 55µA per comparator while maintaining high input impedance.

Replacement Considerations

NCS3402DR2G is listed as a similar substitute part number.