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| 型号： | TPA6205A1DRBRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 1.25 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-8 |
| 文件页数： | 1/28页 |
| 文件大小： | 912K |
| 代理商： | TPA6205A1DRBRG4 |
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ZQV
DRB
DGN
1
FEATURES
APPLICATIONS
DESCRIPTION
APPLICATIONCIRCUIT
Actual SolutionSize
6,9mm
5,25mm
(1)C
B
RI
CS
RF
_
+
VDD
VO+
VO-
GND
ToBattery
Cs
Bias
Circuitry
IN-
IN+
+
-
InFrom
DAC
SHUTDOWN
RI
RF
AppliestotheZQVPackagesOnly
C(
)
BYPASS
(Optional)
www.ti.com.............................................................................................................................................................. SLOS490B–JULY 2006–REVISED JUNE 2008
1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER WITH 1.8-V INPUT
LOGIC THRESHOLDS
Designed for Wireless Handsets, PDAs, and
2
1.25 W Into 8 From a 5-V Supply at
other mobile devices
THD = 1% (Typical)
Compatible with Low Power (1.8V Logic) I/O
Shutdown Pin has 1.8V Compatible
Threshold control signals
Thresholds
Low Supply Current: 1.7mA Typical
Shutdown Current < 10A
The TPA6205A1 is a 1.25-W mono fully differential
Only Five External Components
amplifier designed to drive a speaker with at least
– Improved PSRR (90 dB) and Wide Supply
8-
impedance while consuming less than 37 mm2
Voltage (2.5V to 5.5V) for Direct Battery
(ZQV package option) total printed-circuit board
(PCB) area in most applications. This device operates
Operation
from 2.5 V to 5.5 V, drawing only 1.7 mA of quiescent
– Fully Differential Design Reduces RF
supply current. The TPA6205A1 is available in the
Rectification
space-saving 2 mm x 2 mm MicroStar Junior BGA
– Improved CMRR Eliminates Two Input
package, and the space saving 3 mm x 3 mm QFN
Coupling Capacitors
(DRB) package.
– C(BYPASS) Is Optional Due to Fully
Features like 85-dB PSRR from 90 Hz to 5 kHz,
Differential Design and High PSRR
improved RF-rectification immunity, and small PCB
area makes the TPA6205A1 ideal for wireless
Available in 3 mm x 3 mm QFN Package (DRB)
handsets. A fast start-up time of 4
s with minimal
Available in an 8-Pin PowerPAD MSOP
pop
makes
the
TPA6205A1
ideal
for
PDA
(DGN)
applications.
Avaliable in a 2 mm x 2 mm MicroStar Junior
BGA Package (ZQV)
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
PowerPAD, MicroStar Junior are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2008, 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 |
|---|---|
| TPA6205A1DRBT | 功能描述:音频放大器 1.25-W Mono Fully Diff Class-AB Aud 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 |
| TPA6205A1DRBTG4 | 功能描述:音频放大器 1.25W Mono Fully Diff ClassAB Aud 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 |
| TPA6205A1EVM | 功能描述:音频 IC 开发工具 HEADPHONE DRIVER RoHS:否 制造商:Texas Instruments 产品:Evaluation Kits 类型:Audio Amplifiers 工具用于评估:TAS5614L 工作电源电压:12 V to 38 V |
| TPA6205A1ZQVR | 功能描述:音频放大器 1.25W Mono Fully Diff ClassAB Aud 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 |
| TPA6205A1ZQVRG1 | 功能描述:音频放大器 1.25W Mon,Fully Diff Class-AB Audio 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 |
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