TPA3118D2 (供給中)

30W、フィルタ・フリー Class-D ステレオ・アンプ、AM 干渉回避機能付き

30W、フィルタ・フリー Class-D ステレオ・アンプ、AM 干渉回避機能付き - TPA3118D2

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Next Generation 30-W, Stereo Class-D Amplifier with Low-Idle Power Dissipation (Analog-In) for Battery Operated Systems Available:  TPA3128D2


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 (TPA3116D2)
    • 2 × 30 W Into a 8-Ω BTL Load at 24 V (TPA3118D2)
    • 2 × 15 W Into a 8-Ω BTL Load at 15 V (TPA3130D2)
  • 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 Configuration
  • 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

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機能一覧 他の製品と比較 スピーカ・アンプ

Audio Input Type
Speaker Channels (Max)
Power Stage Supply (Min) (V)
Power Stage Supply (Max) (V)
Output Power (W)
Load (Min) (ohms)
SNR (dB)
THD + N @ 1 kHz (%)
Iq (Typ) (mA)
Control Interface
Closed/Open Loop
Analog Supply (V) (Min)
Analog Supply (V) (Max)
Power to Parallel Bridge Tied Load (Max) (W)
Operating Temperature Range (C)
TPA3118D2 TPA3116D2 TPA3128D2
Analog Input    Analog Input    Analog Input   
Class-D    Class-D    Class-D   
Stereo    Stereo    Stereo   
4.5    4.5    4.5   
26    26    26   
50    50    30   
4    4    2   
102    102    102   
0.1    0.1    0.1   
20    20    17   
Hardware    Hardware    Hardware   
Closed    Closed    Closed   
4.5    4.5    4.5   
26    26    26   
60    100    60   
70    70    70   
-40 to 85    -40 to 85    -40 to 85   
Catalog    Catalog    Catalog   

その他の認定バージョン TPA3118D2

バージョン 型番 定義
オートモーティブ TPA3118D2-Q1 欠陥ゼロを目標とする高信頼性オートモーティブ・アプリケーションに対する認定を受けた Q100 デバイス