參數(shù)資料
型號(hào)： TPA6205A1DGNR
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 1.25 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8
封裝： GREEN, PLASTIC, MSOP-8
文件頁(yè)數(shù)： 1/28頁(yè)
文件大小： 912K
代理商： TPA6205A1DGNR
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA6205A1DGNRG4 功能描述:音頻放大器 1.25W Mono Fully Diff ClassAB Aud 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA6205A1DRB 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER WITH 1.8-V INPUT LOGIC THRESHOLDS
TPA6205A1DRBR 功能描述:音頻放大器 1.25W Mono Fully Diff ClassAB Aud 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA6205A1DRBRG4 功能描述:音頻放大器 1.25W Mono Fully Diff ClassAB Aud 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TPA6205A1DRBT 功能描述:音頻放大器 1.25-W Mono Fully Diff Class-AB Aud 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(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
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