TPA6136A2

TPA6136A2 www.ti.com ........................................................................................................................................................ SLOS621A – JULY 2009 – REVISED AUGUST 2009 25-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION FEATURES 1 23 Patented DirectPath™ Technology Eliminates Need for DC-Blocking Capacitors – Outputs Biased at 0 V – Excellent Low Frequency Fidelity Active Click and Pop Suppression HI-Z Output Mode Allows Sharing Output Jack 2.1 mA Typical Supply Current Fully Differential Inputs Reduce System Noise – Also Configurable as Single-Ended Inputs SGND Pin Eliminates Ground Loop Noise Constant Maximum Output Power from 2.3 V to 5.5 V Supply – Simplifies Design to Prevent Acoustic Shock MicrosoftTM Windows VistaTM Compliant 100 dB Power Supply Noise Rejection Wide Power Supply Range: 2.3 V to 5.5 V Gain Settings: 0 dB and 6 dB Short-Circuit and Thermal-Overload Protection ±8 kV HBM ESD Protected Outputs Small Package Available – 16-Ball, 1.6 x 1.6 mm, 0.4 mm Pitch WCSP APPLICATIONS Smart Phones / Cellular Phones Portable Media / MP3 Players Notebook Computers Portable Gaming DESCRIPTION The TPA6136A2 (sometimes referred to as TPA6136) is a DirectPath™ stereo headphone amplifier that eliminates the need for external dc-blocking output capacitors. Differential stereo inputs and built-in resistors set the device gain, further reducing external component count. Gain is sele...