TPA6130A2 - Texas Instruments

TPA6130A2 Stereo Headphone Amplifier

The TPA6130A2 is a stereo DirectPath™ headphone amplifier with I2C digital volume control. The TPA6130A2 has minimal quiescent current consumption, with a typical IDD of 4 mA, making it optimal for portable applications. The I2C control allows maximum flexibility with a 64 step audio taper volume control, channel independent enables and mutes, and the abilit.

Features

•1 DirectPath™ Ground-Referenced Outputs
  – Eliminates Output DC Blocking Capacitors
  – Reduces Board Area
  – Reduces Component Height and Cost
  – Full Bass Response Without Attenuation
• Power Supply Voltage Range: 2.5 V to 5.5 V
• 64 Step Audio Taper Volume Control
• High Power Supply Rejection Ratio (>100 dB PSRR)
• Differential Inputs for Maximum Noise Rejection (68 dB CMRR)
• High-Impedance Outputs When Disabled
• Advanced Pop and Click Suppression Circuitry
• Digital I2C Bus Control
  – Per Channel Mute and Enable
  – Software Shutdown
  – Multi-Mode Support: Stereo HP, Dual Mono HP, and Single-Ch.