Texas Instruments TPA721DGNR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.09 | $1.09 |
| 15+ | $1.06 | $15.90 |
| 25+ | $1.04 | $26.00 |
| 50+ | $0.98 | $49.00 |
| 100+ | $0.86 | $86.00 |
| N+ | $0.17 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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-HVSSOP |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad |
| ROHS |
The TPA721DGNR is a mono Class AB audio amplifier optimized for low-voltage portable applications. Operating from 2.5V to 5.5V, it delivers 700mW into an 8Ω load with low distortion. Features include depop circuitry for pop-free startup, short-circuit and thermal protection, and a shutdown mode. Housed in an 8-HVSSOP package with exposed pad, this amplifier is ideal for Bluetooth speakers, radios, intercoms, and other battery-powered devices.
- Low Voltage Operation: Works from 2.5V to 5.5V, perfect for single-cell Li-ion batteries.
- Compact Package: 8-HVSSOP with exposed pad saves space and improves heat dissipation.
- Integrated Protection: Short-circuit and thermal protection enhance reliability.
- Pop-Free Startup: Depop circuitry eliminates audible clicks.
- Low Distortion: Class AB design ensures high audio fidelity.
Portable Bluetooth Speaker
The TPA721DGNR delivers 700mW into 8Ω, sufficient for small Bluetooth speakers. Its low voltage range (2.5V-5.5V) matches Li-ion batteries, and the shutdown mode extends battery life.
AM/FM Radio Receiver
In battery-powered radios, this mono amplifier provides clear audio with low distortion. The depop circuitry eliminates startup clicks, enhancing the listening experience.
Intercom System
For wired intercoms, the TPA721 offers reliable amplification with short-circuit protection. The small HVSSOP package saves space in compact enclosures.
Alarm Driver
This chip can drive alarm tones in security systems. Thermal protection ensures safe operation during continuous use, and shutdown mode allows low-power standby.
DIY Audio Project
Hobbyists can use the TPA721DGNR for simple mono amplifier circuits. The Class AB topology ensures good sound quality with minimal external components.
Line Driver
As a line driver, it boosts audio signals for longer cable runs. The depop feature prevents transient noise, making it suitable for professional audio gear.
- Q: What is the output power of the TPA721DGNR?
- A: It delivers 700mW into an 8Ω load, suitable for low-power portable audio.
- Q: What supply voltage does it require?
- A: The device operates from 2.5V to 5.5V, ideal for single-cell Li-ion or USB-powered designs.
- Q: Does it have protection features?
- A: Yes, it includes short-circuit and thermal protection, plus a shutdown mode for power saving.
- Q: What is the amplifier class?
- A: It is a Class AB mono amplifier, providing low distortion and high audio quality.
- Q: What package is available?
- A: It comes in an 8-HVSSOP package with exposed pad for improved thermal performance.
- Q: What is the output power of the TPA721DGNR?
- A: It delivers 700mW into an 8Ω load, suitable for low-power portable audio.
- Q: What supply voltage does it require?
- A: The device operates from 2.5V to 5.5V, ideal for single-cell Li-ion or USB-powered designs.
- Q: Does it have protection features?
- A: Yes, it includes short-circuit and thermal protection, plus a shutdown mode for power saving.
- Q: What is the amplifier class?
- A: It is a Class AB mono amplifier, providing low distortion and high audio quality.
- Q: What package is available?
- A: It comes in an 8-HVSSOP package with exposed pad for improved thermal performance.

TPA721DGNR.pdf