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參數資料
| 型號： | TPA2005D1GQYRQ1 |
| 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, PBGA |
| 文件頁數： | 1/29頁 |
| 文件大小： | 1192K |
| 代理商： | TPA2005D1GQYRQ1 |
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1
FEATURES
APPLICATIONS
DESCRIPTION
APPLICATION CIRCUIT
_
+
IN–
IN+
PWM
H–
Bridge
VO+
VO–
Internal
Oscillator
CS
To Battery
VDD
GND
Bias
Circuitry
RI
+
–
Differential
Input
TPA2005D1
SHUTDOWN
Actual Solution Size
2.5 mm
CS
RI
6 mm
(MicroStar Junior
BGA)
www.ti.com............................................................................................................................................. SLOS474B – AUGUST 2005 – REVISED DECEMBER 2008
1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
2
Qualified for Automotive Applications
Space Saving Package
1.4 W Into 8 From a 5-V Supply at
–
3 mm x 3 mm QFN package (DRB)
THD = 10% (Typ)
–
2,5 mm x 2,5 mm MicroStar Junior BGA
Maximum Battery Life and Minimum Heat
Package (ZQY)
–
Efficiency With an 8-
Speaker:
–
3 mm x 5 mm MSOP PowerPAD Package
(DGN)
–
84% at 400 mW
–
TPA2010D1 Available in 1,45 mm x 1,45 mm
–
79% at 100 mW
WCSP (YZF)
–
2.8-mA Quiescent Current
–
0.5-
A Shutdown Current
Only Three External Components
Ideal for Wireless or Cellular Handsets and
–
Optimized PWM Output Stage Eliminates
PDAs
LC Output Filter
–
Internally Generated 250-kHz Switching
Frequency Eliminates Capacitor and
The TPA2005D1 is a 1.4-W high-efficiency filter-free
Resistor
class-D audio power amplifier in a MicroStar Junior
BGA, QFN, or MSOP package that requires only
–
Improved PSRR (–71 dB at 217 Hz) and
three external components.
Wide Supply Voltage (2.5 V to 5.5 V)
Eliminates Need for a Voltage Regulator
Features like 84% efficiency, –71-dB PSRR at
217 Hz, improved RF-rectification immunity, and
–
Fully Differential Design Reduces RF
15-mm2 total PCB area make the TPA2005D1 ideal
Rectification and Eliminates Bypass
for cellular handsets. A fast start-up time of 9 ms with
Capacitor
minimal pop makes the TPA2005D1 ideal for PDA
–
Improved CMRR Eliminates Two Input
applications.
Coupling Capacitors
In cellular handsets, the earpiece, speaker phone,
and melody ringer can each be driven by the
TPA2005D1. The device allows independent gain
control by summing the signals from each function,
while minimizing noise to only 48
V
RMS.
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
MicroStar Junior, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2005–2008, 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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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| TPA2005D1ZQYRG1 | 功能描述:音頻放大器 1.4W Mono Class-D Audio Amp 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 |
| TPA2006D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.45-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER WITH 1.8-V COMPATIBLE INPUT THRESHOLDS |
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