Texas Instruments TPA122DGNR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.30 | $1.30 |
| 15+ | $1.26 | $18.90 |
| 25+ | $1.23 | $30.75 |
| 50+ | $1.16 | $58.00 |
| 100+ | $1.03 | $103.00 |
| N+ | $0.21 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | |
| Packaging | Marketplace | Cut Tape (CT) |
| Part Status | Active |
| Type | Class AB |
| Output Type | Headphones, 2-Channel (Stereo) |
| Max Output Power x Channels @ Load | 70mW x 2 @ 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 TPA122DGNR is a stereo Class AB headphone amplifier from Texas Instruments, designed for low-power portable audio applications. Operating from 2.5V to 5.5V, it delivers 70mW per channel into 8-ohm loads with low distortion. Features include depop, short-circuit protection, thermal shutdown, and a shutdown mode for power saving. Housed in an 8-HVSSOP package, it is ideal for laptops, portable media players, and radios.
- Low Power Consumption: Ideal for battery-powered devices, with shutdown mode to extend battery life.
- Integrated Protection: Short-circuit and thermal protection ensure robust operation in various conditions.
- Depop Circuitry: Eliminates audible pops during power-up and shutdown for a better user experience.
- Compact Package: 8-HVSSOP with exposed pad allows efficient heat dissipation in small designs.
Portable Media Player Headphone Amplifier
The TPA122DGNR's 70mW per channel provides clean audio for headphones in MP3 players and smartphones, with depop to eliminate startup clicks.
Laptop Audio Line Driver
Its small 8-HVSSOP package and low voltage operation make it ideal for driving headphone outputs in laptops and ultrabooks.
Portable Radio Receiver
With short-circuit and thermal protection, this amplifier is reliable for driving headphones in handheld AM/FM radios.
Intercom or Two-Way Radio
The shutdown feature allows power saving when not in use, while the depop ensures clean audio transitions in communication devices.
Alarm or Warning Tone Driver
The TPA122DGNR can drive small speakers or headphones for alarm tones, with thermal protection ensuring safe operation.
DIY Headphone Amplifier Project
Hobbyists can build a simple stereo headphone amplifier with minimal external components, benefiting from the integrated protection features.
- Q: What is the supply voltage range for the TPA122DGNR?
- A: It operates from 2.5V to 5.5V, suitable for low-voltage battery applications.
- Q: What output power does this amplifier provide?
- A: It delivers 70mW per channel into 8-ohm loads, designed for headphone or line-level output.
- Q: Is the TPA122DGNR a stereo amplifier?
- A: Yes, it is a stereo (2-channel) headphone amplifier.
- Q: What protection features are included?
- A: It includes depop, short-circuit protection, thermal protection, and shutdown.
- Q: What package is available?
- A: It comes in an 8-HVSSOP package with exposed pad for thermal management.
TPA122DGNR.pdf
- Q: What is the supply voltage range for the TPA122DGNR?
- A: It operates from 2.5V to 5.5V, suitable for low-voltage battery applications.
- Q: What output power does this amplifier provide?
- A: It delivers 70mW per channel into 8-ohm loads, designed for headphone or line-level output.
- Q: Is the TPA122DGNR a stereo amplifier?
- A: Yes, it is a stereo (2-channel) headphone amplifier.
- Q: What protection features are included?
- A: It includes depop, short-circuit protection, thermal protection, and shutdown.
- Q: What package is available?
- A: It comes in an 8-HVSSOP package with exposed pad for thermal management.
