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TPA741DGNR from TI,Texas Instruments

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TPA741DGNR

Manufacturer: TI

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown, and Depop

Partnumber Manufacturer Quantity Availability
TPA741DGNR TI 86 In Stock

Description and Introduction

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown, and Depop **Manufacturer:** Texas Instruments (TI)  

**Part Number:** TPA741DGNR  

**Specifications:**  
- **Type:** Audio Amplifier  
- **Class:** Class-D  
- **Output Power:** 2.8W per channel (4Ω, 5V)  
- **Number of Channels:** 2 (Stereo)  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **THD+N (Total Harmonic Distortion + Noise):** 0.1% (1W, 4Ω, 5V)  
- **Efficiency:** Up to 90%  
- **Signal-to-Noise Ratio (SNR):** 95dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin MSOP (DGNR)  

**Descriptions:**  
The TPA741DGNR is a stereo Class-D audio amplifier from Texas Instruments, designed for portable and battery-powered applications. It provides high efficiency and low distortion, making it suitable for small speakers in mobile devices, tablets, and other compact audio systems.  

**Features:**  
- Low quiescent current (2.5mA typical)  
- Integrated depop circuitry to reduce audible noise  
- Thermal and short-circuit protection  
- Click-and-pop suppression  
- Small footprint MSOP package  
- I²C control interface for volume and mute functions  

(Note: All details are based on the manufacturer's datasheet.)

Application Scenarios & Design Considerations

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown, and Depop
Partnumber Manufacturer Quantity Availability
TPA741DGNR TI 1435 In Stock

Description and Introduction

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown, and Depop The TPA741DGNR is a low-power audio operational amplifier manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:

### **Specifications:**
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 1.1mA (typical)  
- **Output Power:** 80mW into 32Ω at 5V  
- **Total Harmonic Distortion + Noise (THD+N):** 0.01% (1kHz, 1mW into 32Ω)  
- **Gain Bandwidth Product:** 3MHz  
- **Slew Rate:** 1.5V/μs  
- **Input Noise Voltage:** 12nV/√Hz  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-pin MSOP (DGNR)  

### **Descriptions:**
- The TPA741DGNR is a low-power, high-performance audio operational amplifier designed for portable and battery-powered applications.  
- It features a low quiescent current, making it suitable for power-sensitive designs.  
- The device is optimized for audio signal processing with low distortion and noise.  

### **Features:**  
- Low quiescent current (1.1mA typical)  
- Rail-to-rail output swing  
- Unity-gain stable  
- Shutdown mode (1μA typical)  
- Improved PSRR (Power Supply Rejection Ratio)  
- Small footprint (8-pin MSOP package)  
- Suitable for headphones, portable audio devices, and line drivers  

This information is sourced from the manufacturer's datasheet.

Application Scenarios & Design Considerations

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown, and Depop
Partnumber Manufacturer Quantity Availability
TPA741DGNR 1399 In Stock

Description and Introduction

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown, and Depop The TPA741DGNR is a mono, 2.1-W, analog input Class-D audio amplifier from Texas Instruments.  

### **Key Specifications:**  
- **Output Power:** 2.1 W into 4 Ω at 5 V  
- **Supply Voltage Range:** 2.5 V to 5.5 V  
- **Efficiency:** Up to 90% (Class-D operation)  
- **THD+N:** 0.3% (typical at 1 W, 4 Ω, 5 V)  
- **Shutdown Current:** <1 µA  
- **Operating Temperature Range:** -40°C to 85°C  
- **Package:** 8-pin MSOP (DGNR)  

### **Features:**  
- **Low Quiescent Current:** 2.5 mA (typical)  
- **Integrated Depop Circuitry:** Reduces audible pops and clicks  
- **Thermal and Short-Circuit Protection**  
- **Fixed Gain (6 dB) or Adjustable Gain (via external resistors)**  
- **Filterless Operation:** Eliminates output filter requirement  

### **Applications:**  
- Portable audio devices  
- Smart speakers  
- Tablets and mobile phones  
- Gaming accessories  

This amplifier is designed for space-constrained, battery-powered applications requiring high efficiency and low distortion.

Application Scenarios & Design Considerations

Mono, Differential Input, Class-AB Audio Amplifier with Active High Shutdown, and Depop

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