National Semiconductor LM4913MH
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,902.03 | Dhs. 355,902.03 |
| 15+ | Dhs. 344,663.02 | Dhs. 5,169,945.30 |
| 25+ | Dhs. 337,170.35 | Dhs. 8,429,258.75 |
| 50+ | Dhs. 318,438.66 | Dhs. 15,921,933.00 |
| 100+ | Dhs. 280,975.29 | Dhs. 28,097,529.00 |
| N+ | Dhs. 56,195.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | Boomer® |
| Packaging | | |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) with Stereo Headphones |
| Max Output Power x Channels @ Load | 2W x 1 @ 4Ohm; 90mW x 2 @ 32Ohm |
| Voltage - Supply | 2.5V ~ 5.5V |
| Features | Depop, Shutdown, Thermal Protection |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 10-TSSOP |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad |
The LM4913MH is a versatile audio amplifier combining a 2W mono speaker driver with a stereo headphone output. Operating from 2.5V to 5.5V, it features depop circuitry for pop-free startup, shutdown mode, and thermal protection. Housed in a 10-TSSOP package with exposed pad, it is ideal for portable radios, Bluetooth speakers, intercoms, and alarm systems requiring efficient, low-distortion Class AB amplification.
- Dual Output: 2W mono speaker plus stereo headphone output for flexible design.
- Depop Circuitry: Eliminates pop noise during power-up for a better user experience.
- Low Voltage Operation: 2.5V-5.5V range suits battery-powered devices.
- Thermal Protection: Ensures safe operation under high load conditions.
Portable Bluetooth Speaker
The LM4913MH's 2W mono output into 4Ω is ideal for driving a small speaker in Bluetooth speakers, while its headphone output allows private listening, all within a 2.5V-5.5V range.
AM/FM Radio
In portable radios, the LM4913MH can amplify the audio signal to a speaker and provide a headphone jack, with depop circuitry preventing clicks during power-up.
Intercom System
This amplifier's mono output can drive a speaker in intercoms, and its shutdown feature saves power when not in use, making it efficient for battery-operated units.
Alarm Driver
The LM4913MH can drive a loudspeaker for alarms or sirens, delivering 2W of power with thermal protection to prevent overheating during prolonged use.
DIY Audio Projects
Hobbyists can use the LM4913MH in custom mono amplifiers with headphone outputs, benefiting from its compact package and integrated features.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4912MM | 10-VSSOP | 2V ~ 5.5V | 145mW x 2 @ 16Ω |
| LM4913MH | 10-TSSOP | 2.5V ~ 5.5V | 2W x 1 @ 4Ω; 90mW x 2 @ 32Ω |
- Q: What is the supply voltage range for the LM4913MH?
- A: It operates from 2.5V to 5.5V, suitable for portable and battery-powered applications.
- Q: What output power does the LM4913MH provide?
- A: It delivers 2W into 4Ω (mono) and 90mW per channel into 32Ω for stereo headphones.
- Q: Does the LM4913MH have any special features?
- A: Yes, it includes depop circuitry, shutdown, and thermal protection for pop-free startup and safe operation.
- Q: What is the amplifier class of the LM4913MH?
- A: It is a Class AB amplifier, ensuring low distortion and high audio fidelity.
- Q: What package is the LM4913MH available in?
- A: It comes in a 10-TSSOP surface-mount package with an exposed pad for thermal management.
- Q: What is the supply voltage range for the LM4913MH?
- A: It operates from 2.5V to 5.5V, suitable for portable and battery-powered applications.
- Q: What output power does the LM4913MH provide?
- A: It delivers 2W into 4Ω (mono) and 90mW per channel into 32Ω for stereo headphones.
- Q: Does the LM4913MH have any special features?
- A: Yes, it includes depop circuitry, shutdown, and thermal protection for pop-free startup and safe operation.
- Q: What is the amplifier class of the LM4913MH?
- A: It is a Class AB amplifier, ensuring low distortion and high audio fidelity.
- Q: What package is the LM4913MH available in?
- A: It comes in a 10-TSSOP surface-mount package with an exposed pad for thermal management.

LM4913MH.pdf