TPA6130A2

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community TPA6130A2 SLOS488F – NOVEMBER 2006 – REVISED MARCH 2015 TPA6130A2 138-mW DIRECTPATH™ Stereo Headphone Amplifier with I2C Volume Control 1 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-Channel BTL Operation – Amplifier Status Space Saving Packages – 20 Pin, 4 mm x 4 mm QFN – 16 ball, 2 mm x 2 mm DSBGA ESD Protection of 8 kV HBM and IEC Contact 2 Applications Mobile Phones Portable Media Players Notebook Computers High Fidelity Applications 3 Description 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 ability to configure the...