



Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
| Attributes | Value | |
|---|---|---|
| Category | Amplifiers/Comparators/Audio Amplifiers | |
| Manufacturer | LTKCHIP | |
| Package | ESOP-8 | |
| Operating Temperature | -20℃~+35℃ | |
| Total Harmonic Distortion + Noise (THD+N) | 0.065% | |
| Output Power | 2.2W×1@4Ω、7.3W×1@3Ω、6W×1@4Ω、5.3W×1@3Ω、4.5W×1@4Ω、3.7W×1@3Ω、3.1W×1@4Ω、2.6W×1@3Ω | |
| Efficiency | 90% | |
| Voltage - Supply | 3V~6.5V | |
| Quiescent Current | 5mA | |
| Features | Automatic mute/no-noise switch、Enable/shutdown function、Filterless architecture | |
| Class | Class AB、Class D | |
| Speaker Channels | 1-Channel |

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.

* Images are for reference only
Note: The purchased components are stored in your JLCPCB parts library for future PCBA orders only, and cannot be shipped separately.
LTK5128D technical specifications, attributes, and parameters.
| Attributes | Value | |
|---|---|---|
| Category | Amplifiers/Comparators/Audio Amplifiers | |
| Manufacturer | LTKCHIP | |
| Package | ESOP-8 | |
| Operating Temperature | -20℃~+35℃ | |
| Total Harmonic Distortion + Noise (THD+N) | 0.065% | |
| Output Power | 2.2W×1@4Ω、7.3W×1@3Ω、6W×1@4Ω、5.3W×1@3Ω、4.5W×1@4Ω、3.7W×1@3Ω、3.1W×1@4Ω、2.6W×1@3Ω | |
| Efficiency | 90% | |
| Voltage - Supply | 3V~6.5V | |
| Quiescent Current | 5mA | |
| Features | Automatic mute/no-noise switch、Enable/shutdown function、Filterless architecture | |
| Class | Class AB、Class D | |
| Speaker Channels | 1-Channel |
From components to fully assembled PCBs. JLCPCB supports PCB assembly for the LTK5128D. Sign up to receive and start your assembly today →
Step 1 - Pre-order the parts you need from JLCPCB.
Step 2 - Place a PCBA order to have those parts assembled onto your boards.
Step 3 - JLCPCB manufactures and assembles your boards in as fast as 3 days.

LTK5128D datasheets or manufacturer documentation.
Datasheet: LTK5128D Datasheet (PDF)
The LTK5128D schematic symbol and PCB footprint are available in the EasyEDA PCB design tool.