IC Phoenix logo

Home ›  L  › L44 > LM4668LD

LM4668LD from NSC,National Semiconductor

Fast Delivery, Competitive Price @IC-phoenix

If you need more electronic components or better pricing, we welcome any inquiry.

LM4668LD

Manufacturer: NSC

10W High-Efficiency Mono BTL Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4668LD NSC 1000 In Stock

Description and Introduction

10W High-Efficiency Mono BTL Audio Power Amplifier The LM4668LD is a mono 2W audio power amplifier manufactured by National Semiconductor (NSC).  

### **Specifications:**  
- **Output Power:** 2W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Shutdown Current:** <1µA  
- **Quiescent Current:** 3.5mA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.2% (typical at 1kHz, 1W into 4Ω)  
- **Signal-to-Noise Ratio (SNR):** 95dB (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  

### **Descriptions and Features:**  
- **Mono Class D Audio Amplifier:** Efficient switching amplifier for battery-powered applications.  
- **Low Power Consumption:** Optimized for portable devices.  
- **Thermal and Short-Circuit Protection:** Built-in safeguards for reliability.  
- **No External Output Filters Required:** Simplifies design.  
- **Pop-and-Click Suppression:** Minimizes noise during power-up/down.  
- **Small Footprint:** Suitable for space-constrained applications.  

This information is based on the manufacturer's datasheet.

Application Scenarios & Design Considerations

10W High-Efficiency Mono BTL Audio Power Amplifier
Partnumber Manufacturer Quantity Availability
LM4668LD NS 9830 In Stock

Description and Introduction

10W High-Efficiency Mono BTL Audio Power Amplifier The LM4668LD is a mono 2.5W audio power amplifier manufactured by National Semiconductor (NS).  

### **Specifications:**  
- **Output Power:** 2.5W into 4Ω at 5V (THD+N = 10%)  
- **Supply Voltage Range:** 2.7V to 5.5V  
- **Quiescent Current:** 3.5mA (typical)  
- **Shutdown Current:** 0.1μA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.2% (typical at 1kHz, 1W into 4Ω)  
- **Signal-to-Noise Ratio (SNR):** 90dB (A-weighted)  
- **Gain:** Fixed at 6dB  
- **Package:** 8-pin LLP (Leadless Leadframe Package)  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions and Features:**  
- **Mono Class D Audio Power Amplifier**  
- **Efficient Class D Operation** (up to 85% efficiency)  
- **Low Quiescent Current** for battery-powered applications  
- **Thermal and Short-Circuit Protection**  
- **Pop-and-Click Suppression** during power-up/down  
- **Space-Saving LLP Package**  
- **No External Output Filter Required** (filterless operation)  
- **Optimized for Single-Supply Operation**  

The LM4668LD is designed for portable audio applications such as mobile phones, PDAs, and portable media players.

Application Scenarios & Design Considerations

10W High-Efficiency Mono BTL Audio Power Amplifier

Request Quotation

For immediate assistance, call us at +86 533 2716050 or email [email protected]

Part Number Quantity Target Price($USD) Email Contact Person
We offer highly competitive channel pricing. Get in touch for details.

Specializes in hard-to-find components chips