參數(shù)資料
型號： TPA2005D1DRBRQ1
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： 3 X 3 MM, GREEN, PLASTIC, SON-8
文件頁數(shù)： 1/28頁
文件大?。?/td> 993K
代理商： TPA2005D1DRBRQ1
_
+
IN–
IN+
PWM
H–
Bridge
VO+
VO–
Internal
Oscillator
CS
To Battery
VDD
GND
Bias
Circuitry
RI
+
–
Differential
Input
TPA2005D1
SHUTDOWN
www.ti.com
SLOS474C – AUGUST 2005 – REVISED MARCH 2010
1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
Check for Samples: TPA2005D1-Q1
1
FEATURES
Qualified for Automotive Applications
Space-Saving Packages
1.4 W Into 8
From a 5-V Supply at
–
3 mm x 3 mm QFN package (DRB)
THD = 10% (Typ)
–
3 mm x 5 mm MSOP PowerPAD Package
Maximum Battery Life and Minimum Heat
(DGN)
–
Efficiency With an 8-
Speaker:
DESCRIPTION
–
84% at 400 mW
The TPA2005D1 is a 1.4-W high-efficiency filter-free
–
79% at 100 mW
class-D audio power amplifier in a QFN or MSOP
–
2.8-mA Quiescent Current
package
that
requires
only
three
external
–
0.5-mA Shutdown Current
components.
Only Three External Components
Features like 84% efficiency, –71-dB PSRR at
–
Optimized PWM Output Stage Eliminates
217 Hz, improved RF-rectification immunity, and
LC Output Filter
15-mm2 total PCB area make the TPA2005D1 ideal
for cellular handsets. A fast start-up time of 9 ms with
–
Internally Generated 250-kHz Switching
minimal pop makes the TPA2005D1 ideal for PDA
Frequency Eliminates Capacitor and
applications.
Resistor
In cellular handsets, the earpiece, speaker phone,
–
Improved PSRR (–71 dB at 217 Hz) and
and melody ringer can each be driven by the
Wide Supply Voltage (2.5 V to 5.5 V)
TPA2005D1. The device allows independent gain
Eliminates Need for a Voltage Regulator
control by summing the signals from each function,
–
Fully Differential Design Reduces RF
while minimizing noise to only 48 mVRMS.
Rectification and Eliminates Bypass
Capacitor
–
Improved CMRR Eliminates Two Input
Coupling Capacitors
APPLICATION CIRCUIT
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2010, 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.
相關PDF資料
PDF描述
TPA2005D1GQYRQ1 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA
TPA2005D1ZQYRQ1 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA
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相關代理商/技術參數(shù)
參數(shù)描述
TPA2005D1EVM 功能描述:音頻 IC 開發(fā)工具 TPA2005D1 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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
TPA2005D1GQYR 功能描述:音頻放大器 Mono Fully Diff Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)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
TPA2005D1-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
TPA2005D1TDGNRQ1 功能描述:音頻放大器 1.4W Mono Fil-Free Class-D Aud Pwr Amp RoHS:否 制造商:STMicroelectronics 產(chǎn)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
TPA2005D1ZQYR 功能描述:音頻放大器 Mono Fully Diff Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產(chǎn)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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