TPA122DG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The TPA122DG4 is a dual-channel stereo audio power amplifier from Texas Instruments delivering 0.07W output power per channel with 0.1% harmonic distortion. It features 20kHz bandwidth and is housed in an 8-pin SOIC package. From $0.75 in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- TPA122DG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual stereo channel audio amplification in a single compact 8-pin SOIC package
- Low 0.1% total harmonic distortion (THD) for clean audio reproduction
- 20kHz full audio bandwidth covering the complete human hearing frequency range
- 0.07W output power per channel suitable for earphone and small speaker driving
Applications
The TPA122DG4 is designed for low-power stereo audio amplification in portable consumer electronics such as MP3 players, smartphones, and handheld gaming devices. Its compact form factor and low harmonic distortion make it ideal for driving earphones and small speakers in battery-powered applications. It is also used in multimedia toys, hearing aid devices, and other audio-enabled embedded systems.
Specifications
| YTEOL | 0 |
| Bandwidth-Nom | 20kHz |
| Consumer IC Type | AUDIO AMPLIFIER |
| Harmonic Distortion | 0.1% |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Output Power-Nom | 0.07W |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | SOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 3mA |
| Supply Voltage-Max (Vsup) | 5.5V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.33.00.01 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for TPA122DG4:
Amplifier, 0.3W, 2 Channel(s), 1 Func, Bipolar, PDSO8
Amplifier, 0.325W, 2 Channel(s), 1 Func, Bipolar, PDSO8
Frequently Asked Questions
How many channels does the TPA122DG4 support?
The TPA122DG4 supports 2 channels, providing stereo audio amplification in a single package, which simplifies PCB design and reduces component count for stereo audio output applications.
What is the output power of the TPA122DG4?
The TPA122DG4 delivers a nominal output power of 0.07W per channel, making it suitable for driving earphones and miniature speakers in low-power portable audio applications.
What is the total harmonic distortion (THD) of the TPA122DG4?
The TPA122DG4 has a total harmonic distortion of 0.1%, indicating low audio signal distortion and ensuring relatively clean sound reproduction for consumer-grade audio applications.
What package does the TPA122DG4 use?
The TPA122DG4 is available in an 8-pin SOIC (Small Outline IC) package with a plastic/epoxy body, a standard and widely compatible surface-mount package for use in space-constrained consumer electronic PCBs.
Related Guides
CDCE913PWR Programmable Clock Synthesizer Design Guide
Complete design guide for the CDCE913PWR clock synthesizer: VCO range, I2C programming, decoupling, and layout best practices for embedded systems.
May 22, 2026
OPA4277MDTEP Precision Quad Op-Amp Selection Guide: How to Choose the Right Variant
How to choose the right OPA4277 quad precision op-amp variant—OPA4277MDTEP vs UA—covering offset voltage, CMRR, supply range, and temperature grade.
May 22, 2026
SN74LVC14APWR Hex Schmitt-Trigger Inverter: Application Note and Design Guide
Complete design guide for the SN74LVC14APWR hex Schmitt-trigger inverter: thresholds, decoupling, oscillator design, package selection, and common pitfalls.
May 21, 2026
TPS62841DGRR Buck Converter Selection Guide: Ultra-Low 60 nA IQ for Battery-Powered IoT
How to choose the right TPS62841 variant for IoT, wearables, and wireless sensors: quiescent current, voltage range, package, and application examples.
May 21, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Response time is incredible — usually under 4 hours. They understand that production lines can't wait.”