TPA6020A2

更新时间： 2024-11-04 03:58:47

品牌	Logo	应用领域
德州仪器 - TI		放大器功率放大器
页数	文件大小	规格书
25页	1857K
描述
2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER

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TPA6020A2 数据手册

TPA6020A2

www.ti.com

SLOS458B–JULY 2005–REVISED AUGUST 2005

2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER

FEATURES

APPLICATIONS

•

Notebook PCs

•

Ideal for Notebook PCs

•

LCD TVs

•

Fully Differential Architecture and High

PSRR (-80 dB) Provide Excellent RF

Rectification Immunity

DESCRIPTION

•

2.8 W Into 3 Ω From a 5-V Supply at

THD = 10% (Typical)

The TPA6020A2 is a 2.8-W stereo bridge-tied load

(BTL) amplifier designed to drive stereo speakers

with at least 3-Ω impedance. The device operates

from 2.5 V to 5.5 V, drawing only 8 mA of quiescent

supply current. The feedback resistors are internal,

allowing the gain to be set with only two input

resistors per channel. The amplifier's fully differential

architecture performs with -80 dB of power supply

rejection from 20 Hz to 2 kHz, improved RF rectifi-

cation immunity, small PCB area, and a fast startup

time with minimal pop, making the TPA6020A2 ideal

for notebook PC applications.

Very Low Crosstalk:

– -100 dB Typical at 5 V, 3 Ω

2.5-V to 5.5-V Operating Range

Low Supply Current:

•

– 8 mA Typical at 5 V

– Shutdown Current: 80-nA Typical

Fast Startup (27 ms) With Minimal Pop

•

Internal Feedback Resistors Reduce

Component Count

•

Thermally Enhanced QFN Packaging

APPLICATION CIRCUIT

To Supply

RVDD

40 kW

17 RIN-

ROUT+

In From

20-PIN QFN (RGW) PACKAGE

(TOP VIEW)

ROUT-

16 RIN+

DAC

40 kW

20 19 18 17 16

SHUTDOWN

Bias

Circuitry

RBYPASS

ROUT+

100 kW

2, 5, Thermal Pad

GND

RS/D

GND

ROUT-

LOUT+

GND

13 LIN-

(RBYPASS)

(See note A)

LIN+

(LBYPASS)

LBYPASS

40 kW

LIN-

LOUT+

In From

DAC

LOUT-

12 LIN+

LVDD

40 kW

To Supply

A. C_(LBYPASS)and C_(RBYPASS)are optional.

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.

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...25

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与TPA6020A2相关器件

型号	品牌	获取价格	描述	数据表
TPA6020A2EVM	TI	获取价格	2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
TPA6020A2RGW	TI	获取价格	2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
TPA6020A2RGWR	TI	获取价格	2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
TPA6020A2RGWRG4	TI	获取价格	2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
TPA6020A2RGWT	TI	获取价格	2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
TPA6020A2RGWTG4	TI	获取价格	2.8-W STEREO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
TPA6021A4	TI	获取价格	2-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
TPA6021A4N	TI	获取价格	2-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
TPA6021A4NE4	TI	获取价格	2-W STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL
TPA6030A4	TI	获取价格	3-2 STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL

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