National Semiconductor LM48861TM
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 2.55 | Dhs. 2.55 |
| 15+ | Dhs. 2.48 | Dhs. 37.20 |
| 25+ | Dhs. 2.43 | Dhs. 60.75 |
| 50+ | Dhs. 2.30 | Dhs. 115.00 |
| 100+ | Dhs. 2.03 | Dhs. 203.00 |
| N+ | Dhs. 0.41 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | Boomer® |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 24mW x 2 @ 16Ohm |
| Voltage - Supply | 1.2V ~ 2.8V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 12-DSBGA |
| Package / Case | 12-WFBGA, DSBGA |
| ROHS |
The LM48861TM is a low-voltage, Class AB stereo headphone amplifier designed for portable electronics. Operating from 1.2V to 2.8V, it delivers 24mW per channel into 16Ω loads, making it ideal for battery-powered devices. Its ultra-compact 12-DSBGA package saves critical board space in smartphones, tablets, and wearables. The amplifier ensures clear, distortion-free audio for personal listening applications.
- Ultra-Low Voltage Operation: Works from 1.2V, enabling use in single-cell battery applications.
- Compact Footprint: 12-DSBGA package minimizes PCB area for space-constrained designs.
- Stereo Output: Provides two channels for immersive headphone audio.
- Low Power Consumption: Extends battery life in portable devices.
Smartphone Headphone Amplifier
The LM48861TM's ultra-low 1.2V minimum supply voltage allows direct operation from a single-cell battery, providing 24mW per channel for clear headphone audio in mobile phones.
Tablet Audio Output
With a compact 12-DSBGA package, this stereo amplifier fits into thin tablet designs, delivering sufficient power for standard 16Ω headphones without external components.
Portable Media Player
Its low power consumption and small footprint make it suitable for MP3 players and portable radios, ensuring long battery life while driving stereo headphones.
Wearable Audio Device
The LM48861TM's low voltage operation (down to 1.2V) is perfect for wearable gadgets like smart glasses or fitness trackers with audio feedback.
Handheld Gaming Console
Stereo headphone output enhances gaming audio in portable consoles, and the 2.8V maximum supply ensures compatibility with common battery configurations.
DIY Portable Audio Projects
Hobbyists can use this chip for ultra-low-voltage headphone amplifiers in custom builds, benefiting from its tiny DSBGA package and simple design.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM48861TM | 12-DSBGA | 1.2V ~ 2.8V | 24mW x 2 (Stereo 16Ω) |
| LM4925MM/NOPB | 10-VSSOP | 1.5V ~ 3.6V | 410mW (Mono 8Ω) / 40mW x 2 (Stereo 16Ω) |
| LMV1031UR-20 | 4-DSBGA | 2V ~ 5V | N/A |
- Q: What is the supply voltage range for the LM48861TM?
- A: It operates from 1.2V to 2.8V, ideal for ultra-low-voltage portable devices.
- Q: What output power does the LM48861TM provide?
- A: It delivers 24mW per channel into 16Ω stereo headphones.
- Q: What package is the LM48861TM available in?
- A: It comes in a 12-DSBGA (12-WFBGA, DSBGA) surface-mount package.
- Q: What is the typical application for this amplifier?
- A: It is designed for headphone amplification in portable electronics like smartphones, tablets, and media players.
- Q: Does it include any protection features?
- A: The datasheet indicates standard Class AB operation; specific protection features are limited.
- Q: What is the supply voltage range for the LM48861TM?
- A: It operates from 1.2V to 2.8V, ideal for ultra-low-voltage portable devices.
- Q: What output power does the LM48861TM provide?
- A: It delivers 24mW per channel into 16Ω stereo headphones.
- Q: What package is the LM48861TM available in?
- A: It comes in a 12-DSBGA (12-WFBGA, DSBGA) surface-mount package.
- Q: What is the typical application for this amplifier?
- A: It is designed for headphone amplification in portable electronics like smartphones, tablets, and media players.
- Q: Does it include any protection features?
- A: The datasheet indicates standard Class AB operation; specific protection features are limited.

LM48861TM.pdf