TPA2012D2RTJTG4 Part Information

Details for TPA2012D2RTJTG4 by Texas Instruments

Semiconductors - ICs > Amplifiers & Comparators > Audio Amplifiers

Part Description

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 differential architecture provide increased immunity to noise and RF rectification. In addition to these features, a fast startup time and small package size make the TPA2012D2 class-D amp an ideal choice for both cellular handsets and PDAs. The TPA2012D2 is capable of driving 1.4 W/Ch at 5 V or 720 mW/Ch at 3.6 V into 8 Ω. The TPA2012D2 is also capable of driving 4 Ω. The TPA2012D2 is thermally limited in DSBGA and may not achieve 2.1 W/Ch for 4 Ω. The maximum output power in the DSBGA is determined by the ability of the circuit board to remove heat. Figure 33 shows thermally limited region of the DSBGA in relation to the WQFN package. The TPA2012D2 provides thermal and short-circuit protection.

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Part Features

  • Fast Start-Up Time (3.5 ms)
  • High PSRR: 77 dB at 217 Hz
  • Independent Shutdown Control for Each Channel
  • Internal Pulldown Resistor on Shutdown Pins
  • Low Shutdown Current
  • Low Supply Current
  • Only Two External Components Required
  • Output Power By Package: u2013 WQFN: u2013 2.1 W/Ch Into 4 u03a9 at 5 V u2013 1.4 W/Ch Into 8 u03a9 at 5 V u2013 720 mW/Ch Into 8 u03a9 at 3.6 V u2013 DSBGA: u2013 1.2 W/Ch Into 4 u03a9 at 5 V (Thermally Limited) u2013 1.3 W/Ch Into 8 u03a9 at 5 V u2013 720 mW/Ch Into 8 u03a9 at 3.6 V
  • Power Supply Range: 2.5 V to 5.5 V
  • Selectable Gain of 6, 12, 18, and 24 dB
  • Short-Circuit and Thermal Protection
  • Space-Saving Packages

Part Specifications

Amplifier Class D
No. of Channels 2 Channel, 2Channels
Output Power 1.4W
Supply Voltage Range 2.5V to 5.5V
Amplifier Case Style QFN
No. of Pins 20Pins
Load Impedance 4ohm
Operating Temperature Min -40°C
Operating Temperature Max 85°C
Product Range -
Automotive Qualification Standard -
RoHS Phthalates Compliant Yes
MSL MSL 2 - 1 year
SVHC No SVHC (27-Jun-2018)
Amplifer Supply Voltage 2.5V to 5.5V
Base Number 2012
Load Impedance Min 4ohm
Logic Function Number 2012
No. of Amplifiers 1Amplifiers
Operating Temperature Range -40°C to +85°C
Output Power (Pout) 2.1W
Power Rating RMS 2.1W
Supply Voltage + Nom 6V
Supply Voltage Max 5.5V
Supply Voltage Min 2.5V
THD + N 0.14% @ 1W 8ohm VDD=5V
Termination Type Surface Mount Device
RoHS Compliant

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