National Semiconductor LM4850LDX
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 2.36 | Dhs. 2.36 |
| 15+ | Dhs. 2.27 | Dhs. 34.05 |
| 25+ | Dhs. 2.22 | Dhs. 55.50 |
| 50+ | Dhs. 2.10 | Dhs. 105.00 |
| 100+ | Dhs. 1.85 | Dhs. 185.00 |
| N+ | Dhs. 0.37 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | National Semiconductor |
| Product Series | Boomer® |
| Packaging | Bulk | |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) with Stereo Headphones |
| Max Output Power x Channels @ Load | 1.9W x 1 @ 3Ohm |
| Voltage - Supply | 2.4V ~ 5.5V |
| Features | - |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 14-WSON (4x4) |
| Package / Case | 14-WFDFN Exposed Pad |
The LM4850LDX is a mono Class AB audio amplifier with integrated stereo headphone output, designed for portable battery-powered applications. Operating from 2.4V to 5.5V, it delivers up to 1.9W into a 3Ω speaker load. The device features low quiescent current, a shutdown mode for power saving, and excellent audio fidelity. Its compact 14-WSON package makes it ideal for space-constrained designs such as Bluetooth speakers, mobile accessories, and portable gaming devices.
- High Output Power: Delivers 1.9W into 3Ω, providing ample volume for portable speakers.
- Integrated Stereo Headphone Amplifier: Eliminates the need for a separate headphone driver, saving board space and cost.
- Wide Supply Voltage Range (2.4V to 5.5V): Compatible with single-cell Li-ion batteries and USB power.
- Low Quiescent Current and Shutdown Mode: Extends battery life in portable devices.
- Compact 14-WSON Package: Enables slim, miniaturized product designs.
Portable Bluetooth Speaker
The LM4850LDX is ideal for compact Bluetooth speakers, providing 1.9W into a 3Ω speaker from a single Li-ion battery. Its low 2.4V minimum supply ensures operation even when the battery is nearly depleted.
Smartphone or Tablet Accessory
With its integrated stereo headphone amplifier, this chip can drive both a mono speaker and stereo headphones in a single device, reducing component count and PCB space in mobile accessories.
GPS Navigation Device
In portable GPS units, the LM4850LDX delivers clear audio alerts through a small speaker. The wide operating temperature range (-40°C to 85°C) ensures reliable performance in automotive environments.
Battery-Powered Alarm System
For security alarms, the 1.9W output provides sufficient volume for warning tones. The shutdown feature helps conserve battery life when the alarm is inactive.
Handheld Gaming Console
The mono speaker output combined with headphone support makes this chip suitable for gaming devices, offering immersive sound without complex power management.
Intercom System
In low-power intercoms, the LM4850LDX provides clear voice amplification. Its surface-mount package allows for compact, cost-effective designs.
| Model | Package | Voltage Range | Output Power (Typical) |
|---|---|---|---|
| LM4850LDX | 14-WSON (4x4) | 2.4V ~ 5.5V | 1.9W x 1 @ 3Ω |
| LM4850LQ | 14-WQFN | 2.4V ~ 5.5V | 1.9W x 1 @ 3Ω |
| LM4850MT | 14-TSSOP | 2.4V ~ 5.5V | 1.9W x 1 @ 3Ω |
- Q: What is the typical output power of the LM4850LDX?
- A: It delivers 1.9W into a 3Ω load from a 5V supply.
- Q: What is the supply voltage range?
- A: The operating supply voltage is 2.4V to 5.5V.
- Q: Does this IC support stereo headphones?
- A: Yes, it features a mono speaker amplifier with a separate stereo headphone output.
- Q: What is the amplifier class?
- A: It is a Class AB amplifier, offering low distortion and good linearity.
- Q: What package is available?
- A: It comes in a 14-WSON (4x4mm) surface-mount package.
LM4850LDX.pdf
- Q: What is the typical output power of the LM4850LDX?
- A: It delivers 1.9W into a 3Ω load from a 5V supply.
- Q: What is the supply voltage range?
- A: The operating supply voltage is 2.4V to 5.5V.
- Q: Does this IC support stereo headphones?
- A: Yes, it features a mono speaker amplifier with a separate stereo headphone output.
- Q: What is the amplifier class?
- A: It is a Class AB amplifier, offering low distortion and good linearity.
- Q: What package is available?
- A: It comes in a 14-WSON (4x4mm) surface-mount package.
