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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 
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.
The TPA6136A2 (TPA6136) features fully differential inputs with an integrated low pass filter to reduce system noise pickup between the audio source and the headphone amplifier and to reduce DAC out-of-band noise. The high power supply noise rejection performance and differential architecture provides increased RF noise immunity. For single-ended input signals, connect INL+ and INR+ to ground.
The device has built-in pop suppression circuitry to completely eliminate disturbing pop noise during turn-on and turn-off. The amplifier outputs have short-circuit and thermal-overload protection along with ±8 kV HBM ESD protection, simplifying end equipment compliance to the IEC 61000-4-2 ESD standard.
The TPA6136A2 (TPA6136) operates from a single 2.3 V to 5.5 V supply with 2.1 mA of typical supply current. Shutdown mode reduces supply current to less than 1 µA.
| Tipo | Título | Fecha | ||
|---|---|---|---|---|
| * | Data sheet | 25-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION AND HI-Z MODE datasheet (Rev. A) | 02 ago 2009 | |
| Application note | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 26 ago 2019 | ||
| Application note | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 27 jun 2019 | ||
| Analog Design Journal | 2Q 2010 Issue Analog Applications Journal | 06 may 2010 | ||
| Analog Design Journal | Precautions for connecting APA outputs to other devices | 06 may 2010 | ||
| EVM User's guide | TPA6136A2EVM - User Guide (Rev. A) | 01 dic 2009 |
Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.
The TPA6136A2YFFEVM allows the engineer to evaluate the TPA6136A2, a stereo DirectPath™ (capacitor-free) headphone amplifier with 2 gain settings (0dB and +6dB). In addition, the TPA6136A2 includes a Hi-Z mode, allowing for multiple signals to be driven on the same output jack.
| Encapsulado | Pines | Símbolos CAD, huellas y modelos 3D |
|---|---|---|
| DSBGA (YFF) | 16 | Ultra Librarian |
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