Texas Instruments TPA721D
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.48 | $1.48 |
| 15+ | $1.44 | $21.60 |
| 25+ | $1.40 | $35.00 |
| 50+ | $1.33 | $66.50 |
| 100+ | $1.17 | $117.00 |
| N+ | $0.23 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | Tube |
| 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 TPA721D is a mono Class AB audio amplifier delivering 700mW into 8Ω loads. Operating from 2.5V to 5.5V, it is ideal for battery-powered devices like portable speakers and radios. Integrated depop circuitry eliminates power-up transients, while short-circuit and thermal protection enhance reliability. Its compact 8-SOIC package simplifies PCB design for space-constrained applications.
- High Output Power: 700mW into 8Ω ensures loud and clear audio.
- Wide Supply Range: 2.5V to 5.5V supports various battery chemistries.
- Robust Protection: Short-circuit and thermal shutdown prevent damage.
- Depop Technology: Eliminates audible clicks during power-on.
Portable Bluetooth Speakers
The TPA721D's 700mW output into 8Ω provides ample volume for compact Bluetooth speakers, while its 2.5V-5.5V supply range allows direct battery operation.
AM/FM Radio Audio Amplifier
With low distortion and depop circuitry, this amplifier ensures clean audio output in portable radios, minimizing startup noise.
Intercom Systems
Its short-circuit and thermal protection make it reliable for intercoms where continuous operation and fault tolerance are required.
Alarm and Siren Drivers
The TPA721D can drive alarm speakers with up to 700mW, providing sufficient sound pressure for warning systems.
DIY Audio Projects
Hobbyists can build simple mono amplifiers using the TPA721D, benefiting from its easy-to-use 8-SOIC package and minimal external components.
- Q: What is the output power of the TPA721D?
- A: It delivers 700mW into an 8Ω load, suitable for mono speaker applications.
- Q: What supply voltage does it require?
- A: It operates from 2.5V to 5.5V, compatible with single-cell Li-ion batteries.
- Q: Does it have protection features?
- A: Yes, it includes depop, short-circuit, and thermal protection.
- Q: What is the amplifier class?
- A: It is a Class AB mono amplifier.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
TPA721D.pdf
- Q: What is the output power of the TPA721D?
- A: It delivers 700mW into an 8Ω load, suitable for mono speaker applications.
- Q: What supply voltage does it require?
- A: It operates from 2.5V to 5.5V, compatible with single-cell Li-ion batteries.
- Q: Does it have protection features?
- A: Yes, it includes depop, short-circuit, and thermal protection.
- Q: What is the amplifier class?
- A: It is a Class AB mono amplifier.
- Q: What is the operating temperature range?
- A: It operates from -40°C to 85°C.
