Texas Instruments TPA721DR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.02 | $1.02 |
| 15+ | $0.98 | $14.70 |
| 25+ | $0.96 | $24.00 |
| 50+ | $0.91 | $45.50 |
| 100+ | $0.80 | $80.00 |
| N+ | $0.16 | Price Inquiry |
Request Quote / Inquiry
| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | Cut Tape (CT) |
| Part Status | Active |
| Type | Class AB |
| Output Type | 1-Channel (Mono) |
| Max Output Power x Channels @ Load | 700mW x 1 @ 8Ohm |
| Voltage - Supply | 2.5V ~ 5.5V |
| Features | Depop, Short-Circuit and Thermal Protection, Shutdown |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Supplier Device Package | 8-SOIC |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| ROHS |
The TPA721DR is a mono Class AB audio amplifier delivering 700mW into 8 Ohms from a 2.5V to 5.5V supply. It features depop, short-circuit and thermal protection, and shutdown for reliable operation. Housed in an 8-SOIC package, it is ideal for portable speakers, radios, intercoms, and alarm drivers. Its robust protection and low voltage operation make it a versatile choice for consumer and industrial audio applications.
- High Output Power: Delivers 700mW into 8 Ohms for clear audio in portable devices.
- Comprehensive Protection: Includes short-circuit and thermal protection for safe operation.
- Low Voltage Operation: Works from 2.5V to 5.5V, ideal for battery-powered designs.
- Depop Feature: Reduces pop noise during power-up and shutdown for better user experience.
Portable Bluetooth Speakers
The TPA721DR is ideal for portable Bluetooth speakers, delivering 700mW into 8 Ohms from a 2.5V to 5.5V supply, ensuring loud and clear audio in compact designs.
AM/FM Radios
In AM/FM radios, this mono Class AB amplifier provides efficient audio amplification with depop and shutdown features, reducing noise during power transitions.
Intercom Systems
For intercoms, the TPA721DR offers reliable mono amplification with short-circuit and thermal protection, ensuring safe operation in continuous use.
Alarm Drivers
This amplifier can drive alarm tones with 700mW output, leveraging its thermal protection to maintain performance in alert systems.
DIY Audio Projects
Hobbyists can use the TPA721DR in DIY audio projects, benefiting from its simple 8-SOIC package and robust protection features for single-channel amplification.
- Q: What is the output power of the TPA721DR?
- A: It delivers 700mW into 8 Ohms from a 2.5V to 5.5V supply.
- Q: What protection features does this amplifier include?
- A: It includes depop, short-circuit and thermal protection, and shutdown functionality.
- Q: What is the package type of the TPA721DR?
- A: It comes in an 8-SOIC surface-mount package.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial applications.
- Q: Is this a mono or stereo amplifier?
- A: It is a 1-channel (mono) Class AB amplifier.
- Q: What is the output power of the TPA721DR?
- A: It delivers 700mW into 8 Ohms from a 2.5V to 5.5V supply.
- Q: What protection features does this amplifier include?
- A: It includes depop, short-circuit and thermal protection, and shutdown functionality.
- Q: What is the package type of the TPA721DR?
- A: It comes in an 8-SOIC surface-mount package.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C, suitable for industrial applications.
- Q: Is this a mono or stereo amplifier?
- A: It is a 1-channel (mono) Class AB amplifier.

TPA721DR.pdf