TPA2012D2 - Texas Instruments

TPA2012D2 2.1-W/Channel Stereo Filter-Free Class-D Audio Power Amplifier

The TPA2012D2 is a stereo, filter-free, Class-D audio amplifier (Class-D amp) available in a DSBGA or WQFN package. The TPA2012D2 only requires two external components for operation. The TPA2012D2 features independent shutdown controls for each channel. The gain can be selected to 6, 12, 18, or 24 dB using the G0 and G1 gain select pins. High PSRR and differ.

Features

•1 Output Power By Package:
  – WQFN:
  – 2.1 W/Ch Into 4 Ω at 5 V
  – 1.4 W/Ch Into 8 Ω at 5 V
  – 720 mW/Ch Into 8 Ω at 3.6 V
  – DSBGA:
  – 1.2 W/Ch Into 4 Ω at 5 V (Thermally Limited)
  – 1.3 W/Ch Into 8 Ω at 5 V
  – 720 mW/Ch Into 8 Ω at 3.6 V
• Only Two External Components Required
• Power Supply Range: 2.5 V to 5.5 V
• Independent Shutdown Control for Each Channel
• Selectable Gain of 6, 12, 18, and 24 dB
• Internal Pulldown Resistor on Shutdown Pins
• High PSRR: 77 dB at 217 Hz
• Fast Start-Up Time (3.5 ms)
• Low Supply Current
• Low Shutdown Current
• Short-Circuit and Thermal Protection
• Space-Savi.