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參數資料
| 型號： | TPA2005D1ZQYR |
| 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, PBGA15 |
| 封裝： | 2.50 X 2.50 MM, GREEN, PLASTIC, BGA-15 |
| 文件頁數： | 1/32頁 |
| 文件大小： | 1128K |
| 代理商： | TPA2005D1ZQYR |
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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............................................................................................................................................................... SLOS369F – JULY 2002 – REVISED JULY 2008
1.4-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
BGA Package (ZQY)
2
1.4 W Into 8 From a 5 V Supply at
–
3 mm x 5 mm MSOP PowerPAD Package
THD = 10% (Typ)
(DGN)
Maximum Battery Life and Minimum Heat
–
TPA2010D1 Available in 1,45 mm × 1,45 mm
WCSP (YZF)
–
Efficiency With an 8-
Speaker:
Use TPA2006D1 for 1.8 V Logic Compatibility
–
84% at 400 mW
on Shutdown Pin
–
79% at 100 mW
–
2.8-mA Quiescent Current
–
0.5-
A Shutdown Current
Ideal for Wireless or Cellular Handsets and
Capable of Driving an
PDAs
8-
Speaker (2.5 V ≤ VDD ≤ 5.5 V) and a
4-
Speaker (2.5 V ≤ VDD ≤ 4.2 V)
Only Three External Components
The TPA2005D1 is a 1.4-W high efficiency filter-free
class-D audio power amplifier in a MicroStar Junior
–
Optimized PWM Output Stage Eliminates
BGA, QFN, or MSOP package that requires only
LC Output Filter
three external components.
–
Internally Generated 250-kHz Switching
Features like 84% efficiency, -71-dB PSRR at 217
Frequency Eliminates Capacitor and
Hz, improved RF-rectification immunity, and 15 mm2
Resistor
total PCB area make the TPA2005D1 ideal for
–
Improved PSRR (-71 dB at 217 Hz) and
cellular handsets. A fast start-up time of 9 ms with
Wide Supply Voltage (2.5 V to 5.5 V)
minimal pop makes the TPA2005D1 ideal for PDA
Eliminates Need for a Voltage Regulator
applications.
–
Fully Differential Design Reduces RF
In cellular handsets, the earpiece, speaker phone,
Rectification and Eliminates Bypass
and melody ringer can each be driven by the
Capacitor
TPA2005D1. The device allows independent gain
control by summing the signals from each function
–
Improved CMRR Eliminates Two Input
while minimizing noise to only 48
V
RMS.
Coupling Capacitors
Space Saving Package
The
TPA2005D1
has
short-circuit
and
thermal
protection.
–
3 mm × 3 mm QFN package (DRB)
–
2,5 mm × 2,5 mm MicroStar Junior
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 2002–2008, 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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| TPA2005D1DRBRG4 | 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| TPA2005D1DGNG4 | 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| TPA2006D1DRB | 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 |
| TPA2006D1DRBR | 功能描述:音頻放大器 1.45W Mono Fil-Free 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 |
| TPA2006D1DRBRG4 | 功能描述:音頻放大器 1.45W Mono Fil-Free 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 |
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