AS1710A-ASCT

Overview

The AS1710A-ASCT is a single-channel, low-offset CMOS operational amplifier manufactured by ams-OSRAM USA INC. It features rail-to-rail input and output capabilities with a gain-bandwidth product of 10MHz and a slew rate of 10V/µs. The device delivers up to 200mA peak output current from a single supply voltage ranging from 2.7V to 5.5V. It includes an active-low shutdown control pin that reduces quiescent current to approximately 1nA. The component operates within an industrial temperature range of -40°C to +85°C and is housed in a SC70-6 surface-mount package.

Feature Summary

• Rail-to-rail input and output stages enable full signal swing across the supply voltage range.
• Integrated active-low shutdown mode significantly reduces power consumption when disabled.
• High output drive capability supports direct driving of low-impedance loads such as 32Ω headsets.
• Unity-gain stable operation ensures reliability when driving capacitive loads up to 100pF.

Applications

• Portable battery-powered audio applications
• Headphone speaker drivers for stereo headsets
• Biasing controls for RF power amplifiers in wireless handsets

Procurement Notes

Verify the specific ordering code AS1710A-ASCT against the manufacturer's official documentation to confirm the inclusion of the shutdown feature and the SC70-6 package type. Ensure compatibility with the required supply voltage range and thermal dissipation requirements for the target application environment before finalizing procurement.

Selection Notes

Select this component for designs requiring high output current drive and rail-to-rail performance in space-constrained portable devices. The integrated shutdown function makes it suitable for battery-operated systems where power conservation is critical during idle states. Verify that the load impedance and capacitive requirements fall within the specified stability limits.

Part Context

This part belongs to the AS1710/AS1712 series of high-output-drive operational amplifiers designed by ams AG (formerly austriamicrosystems). The series offers variants including single-channel and quad-channel configurations with or without shutdown functionality. The AS1710A specifically denotes the single-channel version equipped with the shutdown control interface.

Replacement Considerations

Consult the manufacturer's datasheet for officially confirmed substitute part numbers. No public substitutes are listed in the provided documentation.

FAQ

How does the shutdown feature affect the amplifier output?

When the SHDNN pin is pulled low, the amplifier enters shutdown mode, reducing supply current to approximately 1nA and actively driving the output to VSS (ground).

What is the maximum capacitive load the AS1710A can drive stably?

The device is unity-gain stable and can drive capacitive loads up to 100pF without oscillation.