Overview
The TDA8932BTW/N2,112 from NXP Semiconductors is a high-efficiency Class-D audio power amplifier. This device is designed to provide low power dissipation, making it suitable for applications where heat generation needs to be minimized. The TDA8932B can operate in either mono full-bridge (BTL) or stereo half-bridge (SE) configurations, offering flexibility in various audio systems. It features two independent half-bridges with full differential input stages, enabling it to drive loudspeakers efficiently. The amplifier includes built-in protections such as thermal foldback, overtemperature protection, overcurrent protection, and supply voltage protection, ensuring reliable operation under various conditions.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Supply Voltage (VP) | Asymmetrical supply | 10 | 22 | 36 | V |
| Supply Current (IP) | Sleep mode | - | 145 | 195 | µA |
| Total Quiescent Current (Iq(tot)) | Operating mode; no load, no snubbers and no filter connected | - | 40 | 50 | mA |
| RMS Output Power per Channel (Po(RMS)) | Continuous time output power per channel; RL = 4 Ω | - | 15 | - | W |
| Maximum Output Power (Mono BTL) | RL = 8 Ω | - | 30 | - | W |
| Operating Temperature | - | -40 | - | 85 | °C |
| Package Type | - | - | 32-HTSSOP | - | - |
Key Features
- High-efficiency Class-D amplifier with low power dissipation.
- Operates in mono full-bridge (BTL) or stereo half-bridge (SE) configurations.
- Two independent half-bridges with full differential input stages.
- Built-in protections: thermal foldback, overtemperature protection, overcurrent protection, and supply voltage protection (UVP, OVP, UBP).
- No external heat sink required due to low power dissipation and thermal foldback.
- Supports asymmetrical and symmetrical supply configurations.
- Low quiescent current in sleep mode.
Applications
- Home audio systems.
- Portable audio devices.
- Automotive audio systems.
- Docking stations and multimedia players.
- Public address systems and professional audio equipment.
Q & A
- What is the TDA8932BTW/N2,112 used for?
The TDA8932BTW/N2,112 is a Class-D audio power amplifier used in various audio systems, including home audio, portable audio devices, and automotive audio systems.
- What are the operating configurations of the TDA8932B?
The TDA8932B can operate in either mono full-bridge (BTL) or stereo half-bridge (SE) configurations.
- What is the maximum output power of the TDA8932B in mono BTL configuration?
The maximum output power in mono BTL configuration is 30 W with a load resistance of 8 Ω.
- Does the TDA8932B require an external heat sink?
No, the TDA8932B does not require an external heat sink due to its low power dissipation and thermal foldback feature.
- What protections are built into the TDA8932B?
The TDA8932B includes thermal foldback, overtemperature protection, overcurrent protection, and supply voltage protection (UVP, OVP, UBP).
- What is the typical quiescent current in sleep mode?
The typical quiescent current in sleep mode is 145 µA.
- What is the package type of the TDA8932BTW/N2,112?
The package type is 32-HTSSOP.
- Can the TDA8932B operate with asymmetrical supply voltages?
- What is the operating temperature range of the TDA8932B?
The operating temperature range is from -40°C to 85°C.
- Where can I find detailed specifications and application diagrams for the TDA8932B?
Detailed specifications and application diagrams can be found in the datasheet available on NXP Semiconductors' official website and other authorized distributors.
