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参数资料
| 型号： | TPA6045A4CRHB |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32 |
| 封装： | QFN-32 |
| 文件页数： | 1/30页 |
| 文件大小： | 1147K |
| 代理商： | TPA6045A4CRHB |
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1
FEATURES
DESCRIPTION
APPLICATIONS
SIMPLIFIED APPLICATION CIRCUIT
CODEC
VDD
SPKR
SPKR_LIN–
BYPASS
SGND
HP_EN
SPKR_EN
SPKR_RIN–
SPKR_LIN+
HP_INR
HP_INL
HPVDD
CPVDD
VDD
REG_EN
REG_OUT
SPKR_RIN+
ROUT+
LOUT+
ROUT–
LOUT–
SPVDD
CPVSS
C1P
HPVSS
SPGND
CPGND
C1N
GAIN0
GAIN1
OUTL
OUTR
HPR
HPL
SPKL
TPA6045A4C
Shutdown
Control
3V – 5.5V
4.5V – 5.5V
RegulatorEnable
3.3V(ToCODEC)
4.5V – 5.5V
Gain
Control
www.ti.com.............................................................................................................................................................................................. SLOS614 – OCTOBER 2008
2-W STEREO AUDIO POWER AMPLIFIER
WITH DirectPath STEREO HEADPHONE DRIVE AND REGULATOR
23
Microsoft Windows Vista Compliant
Fully Differential Architecture and High PSRR
The TPA6045A4C is a stereo audio power amplifier
and DirectPath headphone amplifier in a thermally
Provide Excellent RF Rectification Immunity
enhanced, space-saving, 32-pin QFN package. The
2.1-W, 1% THD+N Into 4- Speakers and
speaker amplifier is capable of driving 2.1 W per
85-mW, 1% THD+N Into 16-
Headphones
channel continuously into 4-
loads at 5 V. The
From 5-V Supply
headphone amplifier achieves a minimum of 85 mW
DirectPath Headphone Amplifier Eliminates
at 1% THD+N from a 5-V supply. A built-in internal
Output Capacitors (1)
4-step gain control for the speaker amplifier and a
fixed –1.5 V/V gain for the headphone amplifier
Internal 4-Step Speaker Gain Control: 10, 12,
minimizes external components needed.
15.6, 21.6 dB and Fixed –1.5-V/V Headphone
Independent shutdown control and dedicated inputs
3.3-V Low Dropout Regulator for CODEC
for
the
speaker
and
headphone
allow
the
Independent Shutdown Controls for Speaker,
TPA6045A4C
to
simultaneously
drive
both
Headphone Amplifier, and Low Dropout
headphones and internal speakers. Differential inputs
Regulator (LDO)
to the speaker amplifiers offer superior power-supply
Output Short-Circuit and Thermal Protection
and common-mode noise rejection.
Notebook Computers
Portable DVD
Speaker
LDO (V)
Gain (dB)
Enable
6, 10, 15.6,
TPA6040A4
Active Low
4.75
21.6
10, 12, 15.6,
TPA6041A4
Active Low
3.3
21.6
6, 10, 15.6,
TPA6043A4
Active Low
3.3
21.6
10, 12, 15.6,
TPA6045A4C
Active High
3.3
21.6
10, 12, 15.6,
TPA6047A4
Active High
4.75
21.6
(1)
US Patent Number 5289137
1
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.
2
DirectPath, PowerPAD are trademarks of Texas Instruments.
3
Microsoft, Windows Vista are trademarks of Microsoft Corporation.
PRODUCTION DATA information is current as of publication date.
Copyright 2008, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA6045A4CRHBR | 功能描述:音频放大器 2W Spkr Amp,Head phone Amp & LDO RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA6047A4 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPatTM STEREO HEADPHONE DRIVE AND REGULATOR |
| TPA6047A4RHBR | 功能描述:音频放大器 2W Stereo Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA6047A4RHBRG4 | 功能描述:音频放大器 2W Stereo Audio Pwr Amp RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA6100A2 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:50-mW Ultra-Low Voltage Audio Power Amp |
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