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參數資料
| 型號： | TPA0162PWPR |
| 元件分類： | 運動控制電子 |
| 英文描述： | AUDIO AMPLIFIER|DUAL|CMOS|TSSOP|24PIN|PLASTIC |
| 中文描述： | 音頻放大器|雙|的CMOS | TSSOP封裝| 24針|塑料 |
| 文件頁數： | 1/34頁 |
| 文件大小： | 488K |
| 代理商： | TPA0162PWPR |
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TPA0112
2-W STEREO AUDIO POWER AMPLIFIER
WITH FOUR SELECTABLE GAIN SETTINGS
SLOS204B – MAY 1999 – REVISED MARCH 2000
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
Compatible With PC 99 Desktop Line-Out
Into 10-k
Load
Internal Gain Control, Which Eliminates
External Gain-Setting Resistors
2-W/Ch Output Power Into 3-
Load
PC-Beep Input
Depop Circuitry
Stereo Input MUX
Fully Differential Input
Low Supply Current and Shutdown Current
Surface-Mount Power Packaging
24-Pin TSSOP PowerPAD
description
The TPA0112 is a stereo audio power amplifier in a 24-pin TSSOP thermally enhanced package capable of
delivering 2 W of continuous RMS power per channel into 3-
loads. This device minimizes the number of
external components needed, simplifying the design, and freeing up board space for other features. When
driving 1 W into 8-
speakers, the TPA0112 has less than 0.8% THD+N across its specified frequency range.
Included within this device is integrated depop circuitry that virtually eliminates transients that cause noise in
the speakers.
Amplifier gain is internally configured and controlled by way of two terminals (GAIN0 and GAIN1). BTL gain
settings of –2, –6, –12, and –24 V/V are provided, while SE gain is always configured as –1 V/V for headphone
drive. An internal input MUX allows two sets of stereo inputs to the amplifier. In notebook applications, where
internal speakers are driven as BTL and the line outputs (often headphone drive) are required to be SE, the
TPA0112 automatically switches into SE mode when the SE/BTL input is activated, and this reduces the gain
to –1 V/V.
The TPA0112 consumes only 6 mA of supply current during normal operation. A miserly shutdown mode
reduces the supply current to less than 150
μ
A.
The PowerPAD package (PWP) delivers a level of thermal performance that was previously achievable only
in TO-220-type packages. Thermal impedances of approximately 35
°
C/W are readily realized in multilayer PCB
applications. This allows the TPA0112 to operate at full power into 8-
loads at an ambient temperature of 85
°
C.
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.
Copyright
2000, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
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PWP PACKAGE
(TOP VIEW)
GND
GAIN0
GAIN1
LOUT+
LLINEIN
LHPIN
PV
DD
RIN
LOUT–
LIN
BYPASS
GND
GND
RLINEIN
SHUTDOWN
ROUT+
RHPIN
V
DD
PV
DD
PCB ENABLE
ROUT–
SE/BTL
PC-BEEP
GND
PowerPAD is a trademark of Texas Instruments Incorporated.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA0162PWPRG4 | 功能描述:音頻放大器 2W Stereo APA With Dig Volume Control RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA0172 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH I2C BUS |
| TPA0172EVM | 功能描述:音頻 IC 開發工具 TPA0172 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA0172PWP | 功能描述:音頻放大器 2W Stereo M RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TPA0172PWPG4 | 功能描述:音頻放大器 Stereo Class-AB RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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