Overview
The TPA301DR is a high-performance, mono Class-AB audio power amplifier designed and manufactured by Texas Instruments. This device is optimized for low-voltage applications and is particularly suited for battery-powered devices due to its low power consumption and compact size. The TPA301DR is ideal for applications requiring high-quality audio output in a small form factor, such as portable radios, multimedia speakers, mobile phones, tablets, and other portable electronic devices.
Key Specifications
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Audio Input Type | Analog Input | Architecture | Class-AB |
| Speaker Channels (max) | Mono | Rating | Catalog |
| Power Stage Supply (max) (V) | 5.5 | Power Stage Supply (min) (V) | 2.5 |
| Load (min) (Ω) | 8 | Output Power (W) | 0.35 |
| THD + N at 1 kHz (%) | 1 | Iq (typ) (mA) | 0.7 |
| Control Interface | Hardware | Analog Supply (min) (V) | 2.5 |
| Analog Supply Voltage (max) (V) | 5.5 | PSRR (dB) | 85 |
| Operating Temperature Range (°C) | -40 to 85 | Shutdown Current (ISD) | 0.15 µA |
| Package Type | SOIC-8 | Package Size (mm) | 4.9 x 3.9 |
Key Features
- High-quality audio amplifier with low distortion and high efficiency.
- Wide power supply compatibility: 2.5V to 5.5V.
- Low power consumption and low noise.
- Suitable for battery-powered devices due to its low shutdown current of 0.15 µA.
- Shutdown control available for power saving.
- Compact SOIC-8 package with precision circuit design.
- Thermal and short-circuit protection.
- Integrated gain select and mute functions.
- Ultra-low quiescent current in shutdown mode.
Applications
- Portable audio devices such as smartphones, tablets, and portable speakers.
- Automotive audio systems.
- Gaming consoles.
- Professional grade audio systems.
- Upgrade existing audio systems for improved sound quality.
Q & A
- What is the TPA301DR?
The TPA301DR is a mono Class-AB audio power amplifier designed by Texas Instruments for low-voltage applications.
- What is the typical output power of the TPA301DR?
The TPA301DR can deliver up to 0.35W of output power into an 8-ohm load with a 5V supply.
- What is the operating temperature range of the TPA301DR?
The operating temperature range is -40°C to 85°C.
- What type of package does the TPA301DR come in?
The TPA301DR is available in an 8-pin SOIC package.
- Does the TPA301DR have built-in protection features?
Yes, it includes thermal and short-circuit protection.
- What is the quiescent current in shutdown mode?
The quiescent current in shutdown mode is 0.15 µA.
- Is the TPA301DR suitable for battery-powered devices?
Yes, it is highly suitable due to its low power consumption and low shutdown current.
- What are some common applications of the TPA301DR?
Common applications include portable audio devices, automotive audio systems, gaming consoles, and professional grade audio systems.
- Does the TPA301DR have a shutdown control feature?
Yes, it has a shutdown control feature for power saving.
- What is the THD + N at 1 kHz for the TPA301DR?
The THD + N at 1 kHz is 1%.
