National Semiconductor LM4938MHX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 2.29 | Dhs. 2.29 |
| 15+ | Dhs. 2.21 | Dhs. 33.15 |
| 25+ | Dhs. 2.16 | Dhs. 54.00 |
| 50+ | Dhs. 2.04 | Dhs. 102.00 |
| 100+ | Dhs. 1.80 | Dhs. 180.00 |
| N+ | Dhs. 0.36 | 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 | 2-Channel (Stereo) with Stereo Headphones |
| Max Output Power x Channels @ Load | 2.2W x 2 @ 3Ohm |
| Voltage - Supply | 2.7V ~ 5.5V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -20°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 28-HTSSOP |
| Package / Case | 28-TSSOP (0.173", 4.40mm Width) Exposed Pad |
This stereo Class AB audio amplifier delivers 2.2W per channel into 3Ω loads and includes a separate stereo headphone amplifier. Operating from 2.7V to 5.5V, it integrates two speaker amplifiers and a headphone driver in a single 28-HTSSOP package. Ideal for portable media players, tablets, and gaming devices requiring both speaker and headphone outputs with minimal external components.
- Integrated Headphone Amp: Eliminates need for a separate headphone driver IC.
- Stereo Output: 2.2W per channel provides rich, immersive sound.
- Compact Integration: Combines speaker and headphone amps in one package.
- Wide Supply Range: Compatible with Li-ion batteries and USB power.
Portable Media Player
The LM4938MHX provides 2.2W per channel for stereo speakers plus a dedicated headphone amplifier, making it a complete audio solution for PMPs.
Tablet Computer
Its integrated headphone amp and stereo speaker drivers reduce component count, ideal for slim tablet designs requiring high-quality audio.
Handheld Gaming Console
Delivering immersive stereo sound with low distortion, this chip enhances gaming experiences in portable consoles.
Bluetooth Speaker with Headphone Jack
The dual amplifier channels allow simultaneous speaker and headphone drive, perfect for multi-function Bluetooth speakers.
Car Audio Auxiliary Amplifier
With a 2.7V minimum supply, it can be used in automotive infotainment systems for auxiliary speaker amplification.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4938MHX | 28-HTSSOP | 2.7V ~ 5.5V | 2.2W x 2 @ 3Ω |
| LM4866MTEX | 20-HTSSOP | 2V ~ 5.5V | 3.2W x 2 @ 3Ω |
| LM4895IBPX | 9-uSMD | 2.2V ~ 5.5V | 1.4W x 1 @ 4Ω |
- Q: What is the output power of the LM4938MHX?
- A: It delivers 2.2W per channel into 3Ω loads (stereo) and includes a headphone amplifier.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: Is this a stereo amplifier?
- A: Yes, it is a 2-channel (stereo) Class AB amplifier with separate headphone outputs.
- Q: What package is used?
- A: It comes in a 28-HTSSOP package with exposed pad for thermal management.
- Q: What are typical applications?
- A: Ideal for portable media players, tablets, and gaming devices requiring stereo speakers and headphone output.
LM4938MHX.pdf
- Q: What is the output power of the LM4938MHX?
- A: It delivers 2.2W per channel into 3Ω loads (stereo) and includes a headphone amplifier.
- Q: What is the supply voltage range?
- A: It operates from 2.7V to 5.5V.
- Q: Is this a stereo amplifier?
- A: Yes, it is a 2-channel (stereo) Class AB amplifier with separate headphone outputs.
- Q: What package is used?
- A: It comes in a 28-HTSSOP package with exposed pad for thermal management.
- Q: What are typical applications?
- A: Ideal for portable media players, tablets, and gaming devices requiring stereo speakers and headphone output.
