TPA6132A2

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Amplificador de auriculares estéreo de entrada analógica y 25 mW en WQFN

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document-pdfAcrobat TPA6132A2 25-mW DirectPath™ Stereo Headphone Amplifier With Pop Suppression datasheet (Rev. B) (Inglés) PDF | HTML

TPA6132A2

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Detalles del producto

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Rating

Catalog

Operating temperature range (°C)

-40 to 85

WQFN (RTE)

16

9 mm² (3 mm × 3 mm)

Patented DirectPath™ Technology Eliminates Need for DC-Blocking Capacitors
- Outputs Biased at 0 V
- Excellent Low Frequency Fidelity
Active Click and Pop Suppression
2.1 mA Typical Supply Current
Fully Differential or Single-Ended Inputs
- Built-In Resistors Reduces Component Count
- Improves System Noise Performance
Constant Maximum Output Power from 2.3 V to 5.5 V Supply
- Simplifies Design to Prevent Acoustic Shock
Improved RF Noise Immunity
Microsoft^TM Windows Vista^TM Compliant
High Power Supply Noise Rejection
- 100 dB PSRR at 217 Hz
- 90 dB PSRR at 10 kHz
Wide Power Supply Range: 2.3 V to 5.5 V
Gain Settings: –6 dB, 0 dB, 3 dB, and 6 dB
Short-Circuit and Thermal-Overload Protection
±8 kV HBM ESD Protected Outputs
Small Package Available
- 16-Pin, 3 mm × 3 mm Thin QFN

Patented DirectPath™ Technology Eliminates Need for DC-Blocking Capacitors
- Outputs Biased at 0 V
- Excellent Low Frequency Fidelity
Active Click and Pop Suppression
2.1 mA Typical Supply Current
Fully Differential or Single-Ended Inputs
- Built-In Resistors Reduces Component Count
- Improves System Noise Performance
Constant Maximum Output Power from 2.3 V to 5.5 V Supply
- Simplifies Design to Prevent Acoustic Shock
Improved RF Noise Immunity
Microsoft^TM Windows Vista^TM Compliant
High Power Supply Noise Rejection
- 100 dB PSRR at 217 Hz
- 90 dB PSRR at 10 kHz
Wide Power Supply Range: 2.3 V to 5.5 V
Gain Settings: –6 dB, 0 dB, 3 dB, and 6 dB
Short-Circuit and Thermal-Overload Protection
±8 kV HBM ESD Protected Outputs
Small Package Available
- 16-Pin, 3 mm × 3 mm Thin QFN

The TPA6132A2 (sometimes referred to as TPA6132) 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 –6 dB, 0 dB, 3 dB or 6 dB. The amplifier drives 25 mW into 16 Ω speakers from a single 2.3 V supply. The TPA6132A2 (TPA6132) provides a constant maximum output power independent of the supply voltage, thus facilitating the design for prevention of acoustic shock.

The TPA6132A2 features fully differential inputs to reduce system noise pickup between the audio source and the headphone amplifier. 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 TPA6132A2 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.

The TPA6132A2 (sometimes referred to as TPA6132) 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 –6 dB, 0 dB, 3 dB or 6 dB. The amplifier drives 25 mW into 16 Ω speakers from a single 2.3 V supply. The TPA6132A2 (TPA6132) provides a constant maximum output power independent of the supply voltage, thus facilitating the design for prevention of acoustic shock.

The TPA6132A2 features fully differential inputs to reduce system noise pickup between the audio source and the headphone amplifier. 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 TPA6132A2 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.

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Documentación técnica

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Documentación principal	Tipo	Título	Opciones de formato	Fecha
*	Hoja de datos	TPA6132A2 25-mW DirectPath™ Stereo Headphone Amplifier With Pop Suppression datasheet (Rev. B)	PDF \| HTML	14/07/2017
	Nota sobre la aplicación	Guidelines for Measuring Audio Power Amplifier Performance (Rev. A)		26/08/2019
	Nota sobre la aplicación	AN-1849 An Audio Amplifier Power Supply Design (Rev. C)		27/06/2019
	Analog Design Journal	Precautions for connecting APA outputs to other devices		6/05/2010
	Analog Design Journal	2Q 2010 Issue Analog Applications Journal		6/05/2010
	Nota sobre la aplicación	Ground Loop Break (GLB) Circuits		1/10/2009

Diseño y desarrollo

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.

Placa de evaluación

TPA6132A2EVM2 — Módulo de evaluación (EVM) TPA6132A2

The TPA6132A2EVM2 allows the engineer to evaluate the TPA6132A2, a stereo DirectPath™ (capacitor-free) headphone amplifier with 4 gain settings (-6dB, 0dB, +3dB and +6dB).

Guía del usuario: PDF

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