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Product Detailed Parameters
- Description：IC AMP CLASS AB STEREO 24QFN
- Series：-
- Mfr：ams-OSRAM USA INC.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Class AB
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：-
- Voltage - Supply：1V ~ 1.8V
- Features：Depop, Differential Inputs, I2C, Input Multiplexer, Mute, Shutdown, Volume Control
- Mounting Type：Surface Mount
- Supplier Device Package：24-QFN (4x4)
- Package / Case：24-VFQFN Exposed Pad
- Operating Temperature：-20°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The AS3410-EQFP-500 is a Class AB stereo audio amplifier manufactured by ams OSRAM AG. It is housed in a 24-QFN (4x4 mm) package with exposed pad for thermal dissipation. The device operates on a single supply voltage ranging from 2.7V to 5.5V. It delivers 2x1.8W of output power into a 4Ω load at 5V supply. Key electrical characteristics include a total harmonic distortion plus noise (THD+N) of less than 0.1% and a power supply rejection ratio (PSRR) of 60dB. The component is currently obsolete.
Feature Summary
- Integrated short-circuit protection and thermal shutdown circuitry for enhanced reliability
- Pop-suppression feature minimizes audible noise during power-up and power-down cycles
- High power supply rejection ratio reduces ripple and noise interference
Applications
- Portable media players
- Mobile phones
- MP3 players
Procurement Notes
This component is officially discontinued and no longer in production. Verification of availability should focus on surplus or secondary market sources rather than direct manufacturer allocation. Ensure that any sourced units are verified for authenticity and storage history, as obsolete components may have degraded performance if not stored under specified conditions. Cross-reference part numbers carefully to confirm package compatibility.
Selection Notes
Select this component only for legacy designs requiring a specific pinout and form factor. Verify that the system voltage range aligns with the 2.7V to 5.5V operating window. Consider the thermal requirements of the 24-QFN package in the PCB layout. Since it is obsolete, evaluate alternative amplifiers with similar power output and interface specifications for new designs.
Part Context
The AS3410 belongs to the AS34xx series of audio amplifiers from ams OSRAM. This series was designed for low-power, high-efficiency audio applications in portable electronics. The EQFP suffix indicates the specific QFN package variant. The -500 suffix typically denotes the reel quantity for tape-and-reel packaging, though standard quantities may vary by distributor.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Engineers must identify equivalent Class AB stereo amplifiers with compatible voltage ranges and pinouts through independent technical comparison.
