TPA3122D2 (ACTIVE)

15-W Stereo Class-D Audio Power Amplifier with SE Outputs (TPA3122)

Recommended alternative parts

  • TPA3100D2  -  Analog Input Audio Amplifier (BTL Output)
  • TAS5709  -  I2S Digital Input Audio Amplifier (Open-Loop)
  • TAS5710  -  I2S Digital Input Audio Amplifier (Closed-Loop)

Description

The TPA3122D2 is a 15-W (per channel) efficient, Class-D audio power amplifier for driving stereo single ended speakers or mono bridge tied load. The TPA3122D2 can drive stereo speakers as low as 4. The efficiency of the TPA3122D2 eliminates the need for an external heat sink when playing music.

The gain of the amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, and 36 dB.

Features

  • 10-W/ch into an 4- Load From a 17-V Supply
  • 15-W/ch into an 8- Load From a 28-V Supply
  • Operates from 10 V to 30 V
  • Efficient Class-D Operation
  • Four Selectable, Fixed Gain Settings
  • Internal Oscillator (No External Components Required)
  • Single Ended Analog Inputs
  • Thermal and Short-Circuit Protection with Auto Recovery Feature
  • 20-pin DIP Package
  • APPLICATIONS
    • Televisions

View more

Parametrics Compare all products in Mid/High-Power Amplifier

 
Max. Power to Single-Ended Load
Max. Power to Bridge Tied Load
Min. Supported Single-Ended Load
Min. Supported Bridge Tied Load
Closed/Open Loop
Max Speaker Outputs (#)
Input Type
Control Type
Analog Supply Min [V]
Analog Supply Max [V]
Power Stage Supply Min (V)
Power Stage Supply Max (V)
Rating
Operating Temperature Range (C)
Approx. Price (US$)
Architecture
TPA3122D2 TPA3121D2 TPA3123D2 TPA3124D2 TPA3125D2
15     15     25     15     10    
15     30     25     30     20    
4     4     4     4     4    
8     8     8     8     8    
Closed     Closed     Closed     Closed     Closed    
2     2     2     2     2    
Analog     Analog     Analog     Analog     Analog    
Hardware     Hardware     Hardware     Hardware     Hardware    
10     10     10     10     10    
30     26     30     26     26    
10     10     10     10     10    
30     26     30     26     26    
Catalog     Catalog     Catalog     Catalog     Catalog    
-40 to 85     -40 to 85     -40 to 85     -40 to 85     -40 to 85    
1.21 | 1ku     1.05 | 1ku     1.75 | 1ku     1.05 | 1ku     1.05 | 1ku    
Class D     Class D     Class D     Class D     Class D    

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