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TPA6136A2YFFR Scheda tecnica(PDF) 1 Page - Texas Instruments |
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TPA6136A2YFFR Scheda tecnica(HTML) 1 Page - Texas Instruments |
1 / 22 page 1 FEATURES APPLICATIONS INR+ INR- INL+ INL- GND SGND OUTR HPVSS CPP CPN VDD HPVDD OUTL TPA6136A2 VBAT CODEC OUTR+ OUTR- OUTL+ OUTL- GAIN ENABLE EN HI-Z HI-ZMODE GAIN DESCRIPTION TPA6136A2 www.ti.com ........................................................................................................................................................ SLOS621A – JULY 2009 – REVISED AUGUST 2009 25-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION The TPA6136A2 (TPA6136) features fully differential inputs with an integrated low pass filter to reduce 23 • Patented DirectPath™ Technology Eliminates system noise pickup between the audio source and Need for DC-Blocking Capacitors the headphone amplifier and to reduce DAC – Outputs Biased at 0 V out-of-band noise. The high power supply noise rejection performance and differential architecture – Excellent Low Frequency Fidelity provides increased RF noise immunity. For • Active Click and Pop Suppression single-ended input signals, connect INL+ and INR+ to • HI-Z Output Mode Allows Sharing Output Jack ground. • 2.1 mA Typical Supply Current The device has built-in pop suppression circuitry to • Fully Differential Inputs Reduce System Noise completely eliminate disturbing pop noise during turn-on and turn-off. The amplifier outputs have – Also Configurable as Single-Ended Inputs short-circuit and thermal-overload protection along • SGND Pin Eliminates Ground Loop Noise with ±8 kV HBM ESD protection, simplifying end • Constant Maximum Output Power from 2.3 V equipment compliance to the IEC 61000-4-2 ESD to 5.5 V Supply standard. – Simplifies Design to Prevent Acoustic The TPA6136A2 (TPA6136) operates from a single Shock 2.3 V to 5.5 V supply with 2.1 mA of typical supply • MicrosoftTM Windows VistaTM Compliant current. Shutdown mode reduces supply current to less than 1 µA. • 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 • Smart Phones / Cellular Phones • Portable Media / MP3 Players • Notebook Computers • Portable Gaming 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 selectable at 0 dB or 6 dB. The amplifier drives 25 mW into 16 Ω speakers from a single 2.3 V supply. The TPA6136A2 (TPA6136) provides a constant maximum output power independent of the supply voltage, thus facilitating the design for prevention of acoustic shock. 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 2 DirectPath is a trademark of Texas Instruments. 3 Windows Vista is a trademark of Microsoft Corporation. PRODUCTION DATA information is current as of publication date. Copyright © 2009, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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