TPA3116D2DADR Datasheet

15W,30W,50W Filter-Free Class-D Stereo Amplifier Family with AM Avoidance


The TPA31xxD2 series are stereo efficient, digital amplifier power stage for driving speakers up to 100 W / 2 Ω in mono. The high efficiency of the TPA3130D2 allows it to do 2 × 15 W without external heat sink on a single layer PCB. The TPA3118D2 can even run 2 × 30 W / 8 Ω without heat sink on a dual layer PCB. If even higher power is needed the TPA3116D2 does 2 × 50 W / 4 Ω with a small heat sink attached to its top side PowerPAD. All three devices share the same footprint enabling a single PCB to be used across different power levels.
The TPA31xxD2 advanced oscillator/PLL circuit employs a multiple switching frequency option to avoid AM interferences; this is achieved together with an option of either master or slave option, making it possible to synchronize multiple devices.
The TPA31xxD2 devices are fully protected against faults with short-circuit protection and thermal protection as well as overvoltage, undervoltage, and DC protection. Faults are reported back to the processor to prevent devices from being damaged during overload conditions.

• Supports Multiple Output Configurations
   – 2 × 50 W Into a 4-Ω BTL Load at 21 V
   – 2 × 30 W Into a 8-Ω BTL Load at 24 V
   – 2 × 15 W Into a 8-Ω BTL Load at 15 V
• Wide Voltage Range: 4.5 V to 26 V
• Efficient Class-D Operation
   – >90% Power Efficiency Combined With Low
      Idle Loss Greatly Reduces Heat Sink Size
   – Advanced Modulation Schemes
• Multiple Switching Frequencies
   – AM Avoidance
   – Master and Slave Synchronization
   – Up to 1.2-MHz Switching Frequency
• Feedback Power-Stage Architecture With High
   PSRR Reduces PSU Requirements
• Programmable Power Limit
• Differential and Single-Ended Inputs
• Stereo and Mono Mode With Single-Filter Mono
• Single Power Supply Reduces Component Count
• Integrated Self-Protection Circuits Including
   Overvoltage, Undervoltage, Overtemperature, DC
   Detect, and Short Circuit With Error Reporting
• Thermally Enhanced Packages
   – DAD (32-Pin HTSSOP Pad Up)
   – DAP (32-Pin HTSSOP Pad Down)
• –40°C to 85°C Ambient Temperature Range

• Mini-Micro Component, Speaker Bar, Docks
• After-Market Automotive
• Consumer Audio Applications



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Manufacturer information


Texas Instruments introduction - Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. By employing the world's brightest minds, TI creates innovations that shape the future of technology. TI is helping more than 100,000 customers transform the future, today.

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