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參數資料
| 型號： | TPA6203A1GQV |
| 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, PBGA8 |
| 封裝： | PLASTIC, BGA-8 |
| 文件頁數： | 1/19頁 |
| 文件大?。?/td> | 214K |
| 代理商： | TPA6203A1GQV |
TPA6203A1
SLOS364 – MARCH 2002
1.25-W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER
FEATURES
D 1.25 W Into 8 From a 5-V Supply at
THD = 1% (Typ)
D Low Supply Current: 1.7 mA typ
D Shutdown Control <1 A
D Only Five(1) External Components
– Improved PSRR (90 dB) and Wide Supply
Voltage (2.5 V to 5.5 V) for Direct Battery
Operation
– Fully Differential Design Reduces RF
Rectification
– Improved CMRR Eliminates Two Input
Coupling Capacitors
– C(BYPASS) Is Optional Due to Fully
Differential Design and High PSRR
APPLICATIONS
D Designed for Wireless or Cellular Handsets
and PDAs
DESCRIPTION
T
he TPA6203A1 is a 1.25-W mono fully differential
amplifier designed to drive a speaker with at least 8-
impedance while consuming less than 37 mm2 total
printed-circuit board (PCB) area in most applications.
This device operates from 2.5 V to 5.5 V, drawing only
1.7 mA of quiescent supply current. The TPA6203A1 is
available in the space-saving 2 mm x 2 mm MicroStar
Junior
BGA package.
F
eatures like 85-dB PSRR from 90 Hz to 5 kHz,
improved RF-rectification immunity, and small PCB
area makes the TPA6203A1 ideal for wireless
handsets. A fast start-up time of 4
s with minimal pop
makes the TPA6203A1 ideal for PDA applications.
APPLICATION CIRCUIT
Actual Solution Size
6,9 mm
5,25 mm
(1)CB
RI
CS
RF
_
+
VDD
VO+
VO–
GND
A3
B3
A1
B2
To Battery
Cs
Bias
Circuitry
IN–
IN+
C3
C2
B1
+
–
In From
DAC
SHUTDOWN
RI
C1
(1)C(BYPASS)
RF
(1) C(BYPASS) is optional
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.
www.ti.com
Copyright
2002, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date. Products
conform to specifications per the terms of Texas Instruments standard warranty.
Production processing does not necessarily include testing of all parameters.
MicroStar Junior is a trademark of Texas Instruments.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA6203A1GQVR | 功能描述:音頻放大器 Mono Fully Diff Class-AB 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 |
| TPA6203A1ZQVR | 功能描述:音頻放大器 Mono Fully Diff Class-AB 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 |
| TPA6203A1ZQVRG1 | 功能描述:音頻放大器 1.25W Mon,Fully Diff Class-AB 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 |
| TPA6204A1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.7W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER |
| TPA6204A1_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.7W MONO FULLY DIFFERENTIAL AUDIO POWER AMPLIFIER |
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