AS1703V

Overview

The AS1703V is a mono audio amplifier integrated circuit manufactured by ams-OSRAM USA INC. It is designed for use in single-ended to differential audio signal applications. The component operates within a supply voltage range of 2.7V to 5.5V and supports output loads with impedances of 4 Ohm, 8 Ohm, or 0 Ohm. It features configurable input resistance settings and includes dedicated shutdown control pins for power management.

Feature Summary

• Supports differential signal input configurations
• Includes programmable shutdown mode functionality
• Allows selectable output impedance matching

Applications

• Audio signal amplification in portable devices
• Evaluation and testing of audio amplifier circuits
• Development of headphone driver stages

Procurement Notes

Verify the specific manufacturer part number against official datasheets before procurement. Confirm that the ordering suffix matches the required package type and temperature rating. Ensure compatibility with the intended supply voltage range and load impedance requirements. Cross-reference the component revision with the latest application notes to confirm jumper settings and operational parameters.

Selection Notes

Select this component for applications requiring a mono audio amplifier with flexible input and output configuration options. Consider the operating voltage range and the availability of shutdown control when designing power-sensitive systems. Verify that the package type meets the board layout constraints and thermal requirements of the target enclosure.

Part Context

The AS1703V belongs to the AS1702/03/04/05 family of audio amplifiers from austriamicrosystems. This series is commonly used in consumer electronics for driving speakers or headphones. The components share similar pinouts and operational principles, differing primarily in gain settings and internal configurations as defined by their specific model numbers.

Replacement Considerations

Consult official substitution lists for verified alternatives. Ensure any replacement part maintains compatibility with the 2.7V to 5.5V supply range and supports the required load impedance. Verify that the pinout and package dimensions match the existing design to avoid board modifications.