Overview
The TPA3116D2DADR is a high-efficiency, Class-D stereo audio amplifier produced by Texas Instruments. This device is part of the TPA31xxD2 series, which includes the TPA3116D2, TPA3118D2, and TPA3130D2. The TPA3116D2DADR is designed to drive speakers with high power efficiency and minimal heat generation, making it suitable for a variety of consumer and automotive audio applications.
Key Specifications
| Parameter | Description |
|---|---|
| Output Power | 2 × 50 W into a 4-Ω BTL load at 21 V |
| Voltage Supply | 4.5 V to 26 V |
| Output Type | 2-Channel (Stereo) |
| Switching Frequency | Up to 1.2 MHz |
| Power Efficiency | >90% combined with low idle loss |
| Operating Temperature | -40°C to 85°C |
| Package Type | 32-HTSSOP (Exposed Pad) |
| Protection Features | Overvoltage, undervoltage, overtemperature, DC-detect, and short-circuit protection |
Key Features
- Supports multiple output configurations: 2 × 50 W into a 4-Ω BTL load at 21 V, 2 × 30 W into an 8-Ω BTL load at 24 V, and 2 × 15 W into an 8-Ω BTL load at 15 V.
- Advanced modulation schemes and AM avoidance.
- Master and slave synchronization capabilities.
- Differential and single-ended inputs.
- Stereo and mono mode with single-filter mono configuration.
- Integrated self-protection circuits including overvoltage, undervoltage, overtemperature, DC-detect, and short-circuit protection with error reporting.
- Thermally enhanced packages (DAD and DAP) with PowerPAD for efficient heat dissipation.
Applications
- Mini and micro component speakers.
- Speaker bars and docks.
- After-market automotive audio systems.
- CRT TVs.
- Consumer audio applications.
Q & A
- What is the maximum output power of the TPA3116D2DADR?
The TPA3116D2DADR can deliver up to 2 × 50 W into a 4-Ω BTL load at 21 V.
- What is the voltage supply range for the TPA3116D2DADR?
The voltage supply range is from 4.5 V to 26 V.
- What are the key protection features of the TPA3116D2DADR?
The device includes overvoltage, undervoltage, overtemperature, DC-detect, and short-circuit protection with error reporting.
- Can the TPA3116D2DADR operate in both stereo and mono modes?
Yes, it supports both stereo and mono modes with a single-filter mono configuration.
- What is the switching frequency range of the TPA3116D2DADR?
The switching frequency can go up to 1.2 MHz.
- Does the TPA3116D2DADR support master and slave synchronization?
Yes, it supports master and slave synchronization for multiple device setups.
- What type of package does the TPA3116D2DADR come in?
The device comes in a 32-HTSSOP package with an exposed pad for thermal enhancement.
- What is the operating temperature range of the TPA3116D2DADR?
The operating temperature range is from -40°C to 85°C.
- Can the TPA3116D2DADR be used in automotive applications?
Yes, it is suitable for after-market automotive audio systems.
- What is the power efficiency of the TPA3116D2DADR?
The device has a power efficiency of more than 90% combined with low idle loss.
