Texas Instruments TPA122DGN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $1.90 | $1.90 |
| 15+ | $1.84 | $27.60 |
| 25+ | $1.80 | $45.00 |
| 50+ | $1.70 | $85.00 |
| 100+ | $1.50 | $150.00 |
| N+ | $0.30 | 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 | 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 |  |
This stereo Class AB headphone amplifier delivers 70mW per channel into 8Ω loads, operating from a low 2.5V to 5.5V supply. Designed for surface-mount assembly, it integrates depop, short-circuit, and thermal protection along with a shutdown mode for power savings. Ideal for portable radios, intercoms, and line drivers, it provides clear, low-distortion audio in a compact package.
- Low Power Consumption: Shutdown mode and Class AB efficiency extend battery life in portable devices.
- Compact Size: The 8-HVSSOP package with exposed pad saves board space and improves heat dissipation.
- Audio Quality: Depop circuitry eliminates startup pops for a clean listening experience.
- Protection: Short-circuit and thermal protection ensure durability in demanding applications.
Portable Headphone Amplifiers
The TPA122DGN's low 2.5V-5.5V supply and 70mW output per channel make it perfect for driving headphones in portable media players.
Battery-Powered Radios
Its shutdown feature and low quiescent current extend battery life in AM/FM pocket radios.
Intercom Systems
The depop circuitry eliminates audible clicks during power-up, ensuring clear communication in intercoms.
Alarm Drivers
Short-circuit protection allows reliable operation in alarm systems where speaker loads may vary.
Line Drivers
The stereo Class AB output provides clean audio for line-level signal transmission in consumer electronics.
DIY Audio Projects
Hobbyists can use the compact 8-HVSSOP package to build simple, low-power stereo amplifiers for small speakers.
- Q: What is the output power of the TPA122DGN?
- A: It delivers 70mW per channel into 8Ω loads, suitable for headphone and line-level audio.
- Q: What is the supply voltage range?
- A: The operating voltage is 2.5V to 5.5V, ideal for battery-powered devices.
- Q: Does it include shutdown functionality?
- A: Yes, it features a shutdown mode to conserve power when not in use.
- Q: What protection features are built in?
- A: It includes depop, short-circuit, and thermal protection for safe operation.
- Q: What package is this amplifier available in?
- A: It comes in an 8-HVSSOP surface-mount package with exposed pad for thermal management.
TPA122DGN.pdf
- Q: What is the output power of the TPA122DGN?
- A: It delivers 70mW per channel into 8Ω loads, suitable for headphone and line-level audio.
- Q: What is the supply voltage range?
- A: The operating voltage is 2.5V to 5.5V, ideal for battery-powered devices.
- Q: Does it include shutdown functionality?
- A: Yes, it features a shutdown mode to conserve power when not in use.
- Q: What protection features are built in?
- A: It includes depop, short-circuit, and thermal protection for safe operation.
- Q: What package is this amplifier available in?
- A: It comes in an 8-HVSSOP surface-mount package with exposed pad for thermal management.
