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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.)

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.

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.

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