TPA6141A2

Name: TPA6141A2
Brand: TI
SKU: TPA6141A2
Price: 0.286 USD

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Amplificador de auriculares estéreo de entrada analógica y 32 mW

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Hoja de datos

document-pdfAcrobat 25-mW Class-G DirectPath™ Stereo Headphone Amplifier with Gain Select datasheet (Rev. A) (Inglés)

TPA6141A2

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Detalles del producto

Output power (W)

0.025

Analog supply (min) (V)

2.5

Analog supply voltage (max) (V)

5.5

Load (min) (Ω)

16

PSRR (dB)

105

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Headphone channels

Stereo

Volume control

No

Shutdown current (ISD) (µA)

1

Architecture

Class-G

Iq per channel (typ) (mA)

0.6

Output power (W)

0.025

Analog supply (min) (V)

2.5

Analog supply voltage (max) (V)

5.5

Load (min) (Ω)

16

PSRR (dB)

105

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Headphone channels

Stereo

Volume control

No

Shutdown current (ISD) (µA)

1

Architecture

Class-G

Iq per channel (typ) (mA)

0.6

DSBGA (YFF)

16

3.24 mm² 1.8 x 1.8

TI Class-G Technology Significantly Prolongs Battery Life and Music Playback Time
- 0.6 mA / Ch Quiescent Current
- 50% to 80% Lower Quiescent Current Than Ground-Referenced Class-AB Headphone Amplifiers
DirectPath^TM Technology Eliminates Large Output DC-Blocking Capacitors
- Outputs Biased at 0 V
- Improves Low Frequency Audio Fidelity
Active Click and Pop Suppression
Fully Differential Inputs Reduce System Noise
- Also Configurable as Single-Ended Inputs
SGND Pin Eliminates Ground Loop Noise
Wide Power Supply Range: 2.5 V to 5.5 V
100 dB Power Supply Noise Rejection
Built-in Input Low Pass Filter
Gain Settings: 0 dB and 6dB
Short-Circuit Current Limiter
Thermal-Overload Protection
±8 kV HBM ESD Protected Outputs
0,4 mm Pitch, 1,6 mm × 1,6 mm 16-Bump WCSP (YFF) Package
APPLICATIONS
- Cellular Phones / Music Phones
- Smart Phones
- Portable Media / MP3 Players
- Portable CD / DVD Players

All trademarks are the property of their respective owners.

TI Class-G Technology Significantly Prolongs Battery Life and Music Playback Time
- 0.6 mA / Ch Quiescent Current
- 50% to 80% Lower Quiescent Current Than Ground-Referenced Class-AB Headphone Amplifiers
DirectPath^TM Technology Eliminates Large Output DC-Blocking Capacitors
- Outputs Biased at 0 V
- Improves Low Frequency Audio Fidelity
Active Click and Pop Suppression
Fully Differential Inputs Reduce System Noise
- Also Configurable as Single-Ended Inputs
SGND Pin Eliminates Ground Loop Noise
Wide Power Supply Range: 2.5 V to 5.5 V
100 dB Power Supply Noise Rejection
Built-in Input Low Pass Filter
Gain Settings: 0 dB and 6dB
Short-Circuit Current Limiter
Thermal-Overload Protection
±8 kV HBM ESD Protected Outputs
0,4 mm Pitch, 1,6 mm × 1,6 mm 16-Bump WCSP (YFF) Package
APPLICATIONS
- Cellular Phones / Music Phones
- Smart Phones
- Portable Media / MP3 Players
- Portable CD / DVD Players

All trademarks are the property of their respective owners.

The TPA6141A2 (also known as TPA6141) is a Class-G DirectPath stereo headphone amplifier with selectable gain. Class-G technology maximizes battery life by adjusting the voltage supplies of the headphone amplifier based on the audio signal level. At low level audio signals, the internal supply voltage is reduced to minimize power dissipation. DirectPath^TM technology eliminates external DC-blocking capacitors.

The device 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 operates from a 2.5 V to 5.5 V supply voltage. Class-G operation keeps total supply current below 5.0 mA while delivering 500 µW per channel into 32 . Shutdown mode reduces the supply current to less than 3 µA and is activated through the EN pin.

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 TPA6141A2 (also known as TPA6141) is a Class-G DirectPath stereo headphone amplifier with selectable gain. Class-G technology maximizes battery life by adjusting the voltage supplies of the headphone amplifier based on the audio signal level. At low level audio signals, the internal supply voltage is reduced to minimize power dissipation. DirectPath^TM technology eliminates external DC-blocking capacitors.

The device 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 operates from a 2.5 V to 5.5 V supply voltage. Class-G operation keeps total supply current below 5.0 mA while delivering 500 µW per channel into 32 . Shutdown mode reduces the supply current to less than 3 µA and is activated through the EN pin.

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.

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Documentación técnica

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	Tipo	Título	Fecha
*	Data sheet	25-mW Class-G DirectPath™ Stereo Headphone Amplifier with Gain Select datasheet (Rev. A)	18 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
	EVM User's guide	TPA6141A2YFFEVM - User Guide	23 jun 2009

Diseño y desarrollo

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Placa de evaluación

TPA6141A2YFFEVM — Módulo de evaluación TPA6141A2YFF

The TPA6141A2YFFEVM allows the engineer to evaluate the TPA6141A2, a stereo Class-G DirectPath™ (capacitor-free) headphone amplifier in a WCSP package. The TPA6141A2 has extremely low power consumption that enables much longer battery life in portable applications.

Guía del usuario: PDF

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TPA6141A2

Amplificador de auriculares estéreo de entrada analógica y 32 mW

TPA6141A2

Detalles del producto

Documentación técnica

Diseño y desarrollo

TPA6141A2YFFEVM — Módulo de evaluación TPA6141A2YFF

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

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