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LM4903MM from NS,National Semiconductor

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15.625ms

LM4903MM

Manufacturer: NS

1 Watt Audio Power Amplifier

Partnumber Manufacturer Quantity Availability
LM4903MM NS 7265 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4903MM is a manufacturer by National Semiconductor (NS).  

**Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (into 8Ω at 5V)  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Package:** 8-Pin MSOP (MM)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  

**Descriptions:**  
The LM4903MM is a mono, bridged audio power amplifier designed for portable applications. It provides high-quality audio output with low power consumption.  

**Features:**  
- No output coupling capacitors required  
- Improved PSRR (Power Supply Rejection Ratio)  
- Thermal shutdown protection  
- Unity-gain stable  
- Low shutdown current  
- Space-saving MSOP package  

This information is based on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LM4903MM NSC 9000 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4903MM is a mono bridged audio power amplifier manufactured by National Semiconductor (NSC).  

**Specifications:**  
- **Output Power:** 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.2V to 5.5V  
- **Shutdown Current:** <1µA  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical) at 1kHz, 1W into 8Ω  
- **PSRR (Power Supply Rejection Ratio):** 70dB at 217Hz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin MSOP (Mini Small Outline Package)  

**Descriptions:**  
The LM4903MM is designed for portable audio applications, providing high-quality output with minimal external components. It features a shutdown mode for power-saving operation and requires no output coupling capacitors.  

**Features:**  
- Bridge-tied load (BTL) configuration  
- No output coupling capacitors required  
- Low shutdown current  
- Improved PSRR  
- Thermal shutdown protection  
- Space-saving MSOP package  

This information is based on the manufacturer's datasheet.

Partnumber Manufacturer Quantity Availability
LM4903MM NATIONAL 1000 In Stock

Description and Introduction

1 Watt Audio Power Amplifier The LM4903MM is a manufacturer by **NATIONAL**.  

### **Specifications:**  
- **Type:** Audio Power Amplifier  
- **Output Power:** 1.1W (typical) into 8Ω at 5V  
- **Operating Voltage Range:** 2.2V to 5.5V  
- **Package:** 8-Pin MSOP (MM)  
- **THD+N (Total Harmonic Distortion + Noise):** 1% (typical)  
- **Shutdown Current:** 0.01μA (typical)  
- **PSRR (Power Supply Rejection Ratio):** 70dB (typical)  
- **Gain:** Fixed at 6dB  

### **Descriptions:**  
The LM4903MM is a mono, bridged audio power amplifier designed for portable applications. It operates from a single supply and is optimized for driving speakers with minimal external components.  

### **Features:**  
- **Bridged Output:** Eliminates the need for external coupling capacitors  
- **Low Shutdown Current:** Extends battery life  
- **Improved PSRR:** Reduces noise from power supply variations  
- **Thermal Shutdown Protection:** Prevents overheating  
- **Space-Saving MSOP Package:** Suitable for compact designs  

This information is based solely on the manufacturer's specifications.

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