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Product Detailed Parameters
- Description：IC AMP CLASS AB STER 2.6W 16QFN
- Series：-
- Mfr：Lumissil Microsystems
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Class AB
- Output Type：2-Channel (Stereo)
- Max Output Power x Channels @ Load：2.6W x 2 @ 4Ohm
- Voltage - Supply：2.7V ~ 5.5V
- Features：Depop, Shutdown, Thermal Protection
- Mounting Type：Surface Mount
- Supplier Device Package：16-QFN (4x4)
- Package / Case：16-WQFN Exposed Pad
- Operating Temperature：-40°C ~ 85°C (TA)
- Grade：-
- Qualification：-
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Overview
The IS31AP4088D-QFLS2-TR is a stereo Class AB audio amplifier IC manufactured by Lumissil Microsystems. It delivers 2.6W per channel into a 4-ohm load and operates from a supply voltage range of 2.7V to 5.5V. The device is housed in a compact 16-QFN (4x4mm) package with exposed pad for thermal dissipation. It supports bridge-tied-load (BTL) configuration, enabling high power output with minimal external components. The amplifier features built-in protection mechanisms including short-circuit and thermal shutdown to ensure reliable operation under various conditions.
Feature Summary
- Stereo Class AB architecture delivering 2.6W per channel into 4-ohm loads
- Wide operating voltage range from 2.7V to 5.5V for flexible system integration
- Compact 16-QFN (4x4mm) package with exposed thermal pad
- Integrated short-circuit and thermal shutdown protection
Applications
- Portable audio devices requiring high efficiency and low distortion
- Smart home speakers and voice assistants
- Automotive infotainment systems
- Wireless Bluetooth speakers
Procurement Notes
Verify the exact part number IS31AP4088D-QFLS2-TR against manufacturer datasheets before procurement. Confirm package type is 16-QFN (4x4mm). Check RoHS compliance status as specified in official documentation. Ensure compatibility with your system's voltage requirements (2.7V-5.5V). Validate that the supplier provides genuine components with traceability.
Selection Notes
Select this component when a stereo Class AB amplifier with 2.6W per channel output is required. Consider its 16-QFN package size for space-constrained designs. Verify that the 2.7V-5.5V supply range matches your system's power rails. Evaluate the need for BTL configuration and integrated protection features. Compare pinout and thermal performance with alternative amplifiers if needed.
Part Context
This audio amplifier belongs to Lumissil's IS31AP series, which includes various audio solutions. The IS31AP4088D-QFLS2-TR specifically targets applications needing stereo output with moderate power levels. It complements other audio ICs in the portfolio by offering a balance between performance, size, and cost. The QFN package facilitates surface-mount assembly in modern electronic devices.
Replacement Considerations
No direct public substitute part numbers are confirmed for this specific model. Evaluate alternatives based on similar specifications: stereo Class AB, 2.6W/ch into 4 ohms, 16-QFN package, and 2.7V-5.5V operation. Verify pin-to-pin compatibility and thermal characteristics before substitution.
