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TPA4411MRTJ from TI,Texas Instruments

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TPA4411MRTJ

Manufacturer: TI

80-mW DIRECTPATH STEREO HEADPHONE DRIVER

Partnumber Manufacturer Quantity Availability
TPA4411MRTJ TI 1076 In Stock

Description and Introduction

80-mW DIRECTPATH STEREO HEADPHONE DRIVER The TPA4411MRTJ is a low-power audio amplifier manufactured by Texas Instruments (TI). Below are the specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TPA4411MRTJ  
- **Type:** Low-Power Audio Amplifier  
- **Output Power:** 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Quiescent Current:** 1.6mA (typical)  
- **Total Harmonic Distortion + Noise (THD+N):** 0.1% (1kHz, 1W into 8Ω)  
- **Shutdown Current:** <1µA  
- **Gain:** Fixed at 6dB  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** WQFN (RTE) 16-pin  

### **Descriptions:**
The TPA4411MRTJ is a mono, low-power Class-AB audio amplifier designed for portable and battery-powered applications. It features a low quiescent current, making it suitable for power-sensitive devices. The amplifier includes an integrated shutdown mode to minimize power consumption when not in use.

### **Features:**
- **Low Power Consumption:** Optimized for battery life with 1.6mA typical quiescent current.  
- **Wide Supply Voltage Range:** Operates from 2.5V to 5.5V.  
- **Low Shutdown Current:** <1µA in shutdown mode.  
- **Improved PSRR (Power Supply Rejection Ratio):** Reduces noise from power supply variations.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Small Footprint:** 16-pin WQFN package (3mm x 3mm).  
- **Fixed Gain:** Simplifies design with a 6dB gain setting.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

80-mW DIRECTPATH STEREO HEADPHONE DRIVER

Alternative Part Number

  • MAX9722AEUE+ --: Direct-function stereo headphone amplifier with similar output power and supply range, well-established alternative to the TPA4411.
  • LM4881MM --: Same manufacturer, comparable headphone amplifier in a small package, easy drop-in evaluation with similar gain and supply requirements.
  • NCP2809BFC --: Low-voltage stereo headphone amplifier offering similar performance and package options, suitable as a cross-vendor replacement.
  • NJM2761RB2 --: Compact stereo headphone amplifier IC with similar supply voltage and output capability, offering a cost-effective second-source option for portable audio circuits.

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