Datasheet > TPA6133A2_17

TPA6133A2_17

更新时间： 2022-10-12 16:22:04

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德州仪器 - TI		/
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描述
138-mW DirectPath Stereo Headphone Amplifier

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TPA6133A2_17 数据手册

TPA6133A2

www.ti.com

SLOS821 –JUNE 2013

138-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER

Check for Samples: TPA6133A2

FEATURES

DESCRIPTION

The TPA6133A2 is a stereo DirectPath™ headphone

amplifier with GPIO control. The TPA6133A2 has

minimal quiescent current consumption, with a typical

I_DDof 4.2 mA, making it optimal for portable

applications. The GPIO control allows the device to

be put in a low power shutdown mode.

•

DirectPath™ Ground-Referenced Outputs

–

Eliminates Output DC Blocking Capacitors

Reduces Board Area

Reduces Component Height and Cost

Full Bass Response Without Attenuation

The TPA6133A2 is a high fidelity amplifier with an

SNR of 93 dB. A PSRR greater than 100 dB enables

direct-to-battery connections without compromising

the listening experience. The output noise of 12

μVrms (typical A-weighted) provides a minimal noise

background during periods of silence. Configurable

differential inputs and high CMRR allow for maximum

noise rejection in the noisy environment of a mobile

device.

•

Power Supply Voltage Range: 2.5 V to 5.5 V

High Power Supply Rejection Ratio

(>100 dB PSRR)

•

Differential Inputs for Maximum Noise

Rejection (69 dB CMRR)

•

High-Impedance Outputs When Disabled

Advanced Pop and Click Suppression

Circuitry

TPA6133A2 is available in a 4 by 4 mm QFN

package.

•

GPIO Control for Shutdown

20 Pin, 4 mm x 4 mm QFN Package

APPLICATIONS

•

Mobile Phones

Audio Headsets

Notebook Computers

High Fidelity Applications

SIMPLIFIED APPLICATION DIAGRAM

GPIO

VBAT

2.2KQ

Audio Source

TEST1 TEST2

0.47uF

LEFT_OUTM

LEFTINM

LEFTINP

HPLEFT

LEFT_OUTP

HPRIGHT

0.47uF

RIGHT_OUTM

RIGHT_OUTP

RIGHTINM

RIGHTINP

GND

CPP

CPN

CPVSS

VDD

VBAT

1uF

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.

DirectPath is a trademark of Texas Instruments.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...18

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