Datasheet > TPA6132A2

TPA6132A2

更新时间： 2024-09-17 07:04:43

品牌	Logo	应用领域
TAOS		放大器
页数	文件大小	规格书
22页	1002K
描述
25-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION

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TPA6132A2 数据手册

TPA6132A2

www.ti.com ........................................................................................................................................................................................... SLOS597–DECEMBER 2008

25-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER WITH POP SUPPRESSION

FEATURES

DESCRIPTION

•

Patented DirectPath™ Technology Eliminates

Need for DC-Blocking Capacitors

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.

–

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

The TPA6132A2 (TPA6132) 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.

–

Simplifies Design to Prevent Acoustic

Shock

•

Improved RF Noise Immunity

Microsoft^TMWindows Vista^TMCompliant

High Power Supply Noise Rejection

–

100 dB PSRR at 217 Hz

90 dB PSRR at 10 kHz

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.

•

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

The TPA6132A2 (TPA6132) 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.

–

16-Pin, 3 mm × 3 mm Thin QFN

APPLICATIONS

•

Smart Phones / Cellular Phones

Notebook Computers

CD / MP3 Players

OUTR+

OUTR-

OUTL+

OUTL-

INR+

INR-

OUTR

OUTL

CODEC

TPA6132A2

INL+

INL-

Portable Gaming

SGND

PGND

ENABLE

GAIN0

GAIN1

VBAT

VDD

HPVSS

CPN

HPVDD

CPP

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.

Windows Vista is a trademark of Microsoft Corporation.

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...22

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与TPA6132A2相关器件

型号	品牌	获取价格	描述	数据表
TPA6132A2_17	TI	获取价格	25-mW DirectPath Stereo Headphone Amplifier With Pop Suppression
TPA6132A2RTER	TI	获取价格	25-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER
TPA6132A2RTET	TI	获取价格	25-mW DIRECTPATH™ STEREO HEADPHONE AMPLIFIER
TPA6133A2	TI	获取价格	138-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER
TPA6133A2_14	TI	获取价格	138-mW DIRECTPATHâ¢ STEREO HEADPHONE AMPLIFI
TPA6133A2_15	TI	获取价格	138-mW DirectPath Stereo Headphone Amplifier
TPA6133A2_17	TI	获取价格	138-mW DirectPath Stereo Headphone Amplifier
TPA6133A2RTJR	TI	获取价格	138-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER
TPA6133A2RTJT	TI	获取价格	138-mW DIRECTPATH STEREO HEADPHONE AMPLIFIER
TPA6135A2	TI	获取价格	DIRECTPATH? Stereo Headphone Amplifier

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