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TPA2005D1DRBRG4 from TI,Texas Instruments

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TPA2005D1DRBRG4

Manufacturer: TI, TEXAS

Mono, Fully Differential, Filter-Free Class-D Audio Amplifier

Partnumber Manufacturer Quantity Availability
TPA2005D1DRBRG4 TI, TEXAS 3623 In Stock

Description and Introduction

Mono, Fully Differential, Filter-Free Class-D Audio Amplifier The TPA2005D1DRBRG4 is a Class-D audio amplifier manufactured by Texas Instruments. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:

### **Specifications:**
- **Manufacturer:** Texas Instruments  
- **Category:** Audio Amplifiers  
- **Type:** Class-D Mono Audio Amplifier  
- **Output Power:** 1.1W into 8Ω at 5V  
- **Supply Voltage Range:** 2.5V to 5.5V  
- **Efficiency:** Up to 90%  
- **THD+N (Total Harmonic Distortion + Noise):** 0.2% (typical)  
- **Quiescent Current:** 2.3mA (typical)  
- **Shutdown Current:** 0.01µA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** SON-8 (DRB)  

### **Descriptions:**
- The TPA2005D1DRBRG4 is a mono, filter-free Class-D audio amplifier designed for portable applications.  
- It operates from a single supply voltage (2.5V to 5.5V) and delivers up to 1.1W into an 8Ω speaker.  
- The device features a low-power shutdown mode and requires minimal external components.  
- It is optimized for battery-powered systems such as smartphones, tablets, and portable media players.  

### **Features:**
- **Filterless Operation:** Eliminates the need for external LC filters.  
- **Low Quiescent Current:** Extends battery life in portable applications.  
- **Thermal and Short-Circuit Protection:** Enhances reliability.  
- **Small Footprint:** SON-8 package saves board space.  
- **Pop-and-Click Suppression:** Reduces audible noise during power-up/down.  
- **High Efficiency:** Minimizes power dissipation.  

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

Application Scenarios & Design Considerations

Mono, Fully Differential, Filter-Free Class-D Audio Amplifier

Alternative Part Number

  • MAX9718AEUB+ --: Class-D audio amplifier in a small package with similar output power and supply range, suitable as a functional replacement for the TPA2005D1.
  • PAM8302AASCR --: Low-cost 2.5W Class-D mono audio amplifier with comparable supply voltage and load drive capability, commonly used as a drop-in alternative.
  • LM4871MX/NOPB --: Similar mono audio power amplifier from the same vendor family with comparable output power, offering an easy sourcing path though it is Class-AB rather than Class-D.
  • TPA2005D1DRBR --: Same TPA2005D1 audio amplifier in the identical SON-8 DRB package, just the non-G4 (lead-free) ordering variant, so it is a direct drop-in replacement.
  • MAX98357AETE+T --: Class-D mono audio amplifier with comparable output power and low-voltage operation in a TQFN package, usable as an alternative when board layout can be adapted.

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