Overview
The TPA3110D2 is a 15-W per channel, efficient Class-D audio power amplifier designed by Texas Instruments. This amplifier is optimized for driving bridged-tied stereo speakers and is known for its high efficiency, filter-free operation, and advanced speaker protection features. The TPA3110D2 operates over a wide supply voltage range from 8 V to 26 V, making it versatile for various audio applications. Its high efficiency of 90% eliminates the need for an external heat sink, and it includes robust protection mechanisms such as short-circuit protection, thermal protection, and an auto-recovery feature.
Key Specifications
| Parameter | Value |
|---|---|
| Output Power (per channel) | 15 W into 8 Ω at 10% THD+N from a 16-V supply |
| Output Power (mono load) | 30 W into 4 Ω at 10% THD+N from a 16-V supply |
| Supply Voltage Range | 8 V to 26 V |
| Efficiency | 90% efficient Class-D operation |
| Gain Settings | Four selectable, fixed gain settings |
| Input Type | Differential inputs |
| Operating Temperature Range | –40°C to 85°C |
| Package Type | 28-Pin HTSSOP with PowerPAD™ |
| Thermal Resistance (Junction-to-Ambient) | 30.3 °C/W |
Key Features
- Filter-free operation with advanced EMI suppression technology
- SpeakerGuard™ speaker protection including adjustable power limiter and DC detection circuit
- Robust pin-to-pin short circuit protection and thermal protection with auto-recovery option
- Excellent THD+N and pop-free performance
- Flow-through pin out for easy board layout
- High efficiency eliminates the need for an external heat sink
Applications
- Televisions
- Consumer audio equipment
Q & A
- What is the output power of the TPA3110D2 per channel? The TPA3110D2 delivers 15 W per channel into an 8 Ω load at 10% THD+N from a 16-V supply.
- What is the supply voltage range for the TPA3110D2? The TPA3110D2 operates over a wide supply voltage range from 8 V to 26 V.
- Does the TPA3110D2 require an external heat sink? No, the high efficiency of 90% eliminates the need for an external heat sink.
- What type of input does the TPA3110D2 have? The TPA3110D2 has differential inputs.
- What is the operating temperature range of the TPA3110D2? The operating temperature range is –40°C to 85°C.
- What kind of protection mechanisms does the TPA3110D2 include? The TPA3110D2 includes short-circuit protection, thermal protection, and an auto-recovery feature, as well as SpeakerGuard™ speaker protection.
- What is the package type of the TPA3110D2? The TPA3110D2 comes in a 28-Pin HTSSOP package with PowerPAD™.
- What are the typical applications for the TPA3110D2? Typical applications include televisions and consumer audio equipment.
- Does the TPA3110D2 support adjustable gain settings? Yes, the TPA3110D2 has four selectable, fixed gain settings.
- How does the TPA3110D2 manage EMI? The TPA3110D2 uses advanced EMI suppression technology, allowing the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements.
