Lumissil Microsystems IS31AP4912-UTLS2-TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 6.33 | Dhs. 6.33 |
| 15+ | Dhs. 6.14 | Dhs. 92.10 |
| 25+ | Dhs. 6.00 | Dhs. 150.00 |
| 50+ | Dhs. 5.67 | Dhs. 283.50 |
| 100+ | Dhs. 5.00 | Dhs. 500.00 |
| N+ | Dhs. 1.00 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Lumissil Microsystems |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| Part Status | Active |
| Type | Class AB |
| Output Type | 2-Channel (Stereo) with Stereo Headphones |
| Max Output Power x Channels @ Load | 30mW x 2 @ 32Ohm |
| Voltage - Supply | 2.7V ~ 5.5V |
| Features | Depop, Shutdown, Thermal Protection |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 12-UTQFN (2x2) |
| Package / Case | 12-UFQFN |
| ROHS |
This stereo headphone amplifier delivers 30mW per channel into 32Ω loads from a 2.7V to 5.5V supply. Its Class AB design ensures low distortion audio, while integrated Depop circuitry eliminates power-up clicks. Thermal protection and a shutdown mode enhance reliability in portable applications. The compact 12-UTQFN package saves board space, making it ideal for Bluetooth headsets, portable media players, and audio accessories.
- Compact Size: The 2x2mm UTQFN package enables integration into space-constrained portable devices.
- Low Distortion: Class AB architecture provides high-fidelity audio suitable for headphone listening.
- Pop-Free Operation: Built-in Depop circuitry prevents audible noise during power transitions.
- Reliable Protection: Thermal shutdown safeguards the IC against overheating in demanding conditions.
- Wide Voltage Range: 2.7V to 5.5V supply compatibility supports single-cell lithium-ion battery operation.
Portable Bluetooth Headphones
The IS31AP4912's low 2.7V minimum supply and 30mW output per channel into 32Ω headphones make it perfect for wireless audio devices where battery life and small size are critical.
Smartphone Audio Accessories
With its Depop feature and ultra-compact 2x2mm UTQFN package, this amplifier integrates seamlessly into USB-C or Lightning dongles for high-quality audio playback.
Portable Media Players
The Class AB architecture provides low distortion audio, while the shutdown mode extends battery life in handheld music players.
Gaming Headsets
Stereo output with thermal protection ensures reliable performance during extended gaming sessions, and the small footprint fits tight headset enclosures.
Medical Monitoring Earpieces
The wide operating temperature range (-40°C to 85°C) and low power consumption suit portable medical audio devices requiring clear sound reproduction.
DIY Audio Projects
Hobbyists can easily integrate this surface-mount amplifier into custom headphone amps or portable speakers, benefiting from its built-in protection and minimal external components.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| IS31AP4912-UTLS2-TR | 12-UTQFN (2x2mm) | 2.7V ~ 5.5V | 30mW x 2 @ 32Ω |
| LM48520TL | 25-DSBGA (2.46x2.46mm) | 2.4V ~ 5.5V | 1.3W x 2 @ 8Ω |
| BD88215GUL-E2 | VCSP50L2 | 2.4V ~ 5.5V | 80mW x 2 @ 16Ω |
- Q: What is the supply voltage range for the IS31AP4912?
- A: The IS31AP4912 operates from 2.7V to 5.5V, making it ideal for battery-powered devices.
- Q: What output power can I expect from this amplifier?
- A: It delivers 30mW per channel into 32Ω loads, suitable for stereo headphone applications.
- Q: Does this chip include pop noise reduction?
- A: Yes, it features Depop circuitry to minimize audible clicks during power-up and shutdown.
- Q: What protection features are built in?
- A: The IS31AP4912 includes thermal protection and a shutdown mode for safe operation.
- Q: What package is available?
- A: It comes in a compact 12-UTQFN (2x2mm) surface-mount package.
- Q: What is the supply voltage range for the IS31AP4912?
- A: The IS31AP4912 operates from 2.7V to 5.5V, making it ideal for battery-powered devices.
- Q: What output power can I expect from this amplifier?
- A: It delivers 30mW per channel into 32Ω loads, suitable for stereo headphone applications.
- Q: Does this chip include pop noise reduction?
- A: Yes, it features Depop circuitry to minimize audible clicks during power-up and shutdown.
- Q: What protection features are built in?
- A: The IS31AP4912 includes thermal protection and a shutdown mode for safe operation.
- Q: What package is available?
- A: It comes in a compact 12-UTQFN (2x2mm) surface-mount package.

IS31AP4912-UTLS2-TR.pdf