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TPA6204A1_17

更新时间： 2024-11-10 02:58:15
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
18页 526K
描述
1.7-W Mono Fully Differential Audio Power Amplifier

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TPA6204A1_17 数据手册

 浏览型号TPA6204A1_17的Datasheet PDF文件第2页浏览型号TPA6204A1_17的Datasheet PDF文件第3页浏览型号TPA6204A1_17的Datasheet PDF文件第4页浏览型号TPA6204A1_17的Datasheet PDF文件第5页浏览型号TPA6204A1_17的Datasheet PDF文件第6页浏览型号TPA6204A1_17的Datasheet PDF文件第7页 
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www.ti.com  
SLOS429 − MAY 2004  
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FEATURES  
APPLICATIONS  
D
D
D
D
D
D
Designed for Wireless or Cellular Handsets  
and PDAs  
D
D
D
Ideal for Wireless Handsets  
PDAs  
1.7 W Into 8 Ω From a 5-V Supply at  
THD = 10% (Typ)  
Notebook Computers  
Low Supply Current: 4 mA typ at 5 V  
Shutdown Current: 0.01 mA Typ  
Fast Startup With Minimal Pop  
Only Three External Components  
− Improved PSRR (−80 dB) and Wide Supply  
Voltage (2.5 V to 5.5 V) for Direct Battery  
Operation  
− Fully Differential Design Reduces RF  
Rectification  
− −63 dB CMRR Eliminates Two Input  
Coupling Capacitors  
DESCRIPTION  
The TPA6204A1 is a 1.7-W mono fully-differential  
amplifier designed to drive a speaker with at least 8-Ω  
impedance while consuming only 20 mm2 total  
printed-circuit board (PCB) area in most applications. The  
device operates from 2.5 V to 5.5 V, drawing only 4 mA of  
quiescent supply current. The TPA6204A1 is available in  
the space-saving 3 mm x 3 mm QFN (DRB) package.  
The TPA6204A1 is ideal for PDA/smart phone  
applications due to features such as −80-dB supply  
voltage rejection from 20 Hz to 2 kHz, improved RF  
rectification immunity, small PCB area, and a fast startup  
with minimal pop.  
D
D
Pin to Pin Compatible With TPA2005D1 and  
TPA6211A1 in QFN Package  
Available in 3 mm X 3 mm QFN Package  
(DRB)  
APPLICATION CIRCUIT  
8-pin QFN (DRB) PACKAGE  
(TOP VIEW)  
V
DD  
6
1
2
3
4
8
7
6
5
SHUTDOWN  
BYPASS  
IN+  
V
To Battery  
O−  
GND  
C
s
40 kΩ  
V
V
DD  
R
R
I
4
3
−
+
IN−  
_
+
V
5
8
O+  
IN−  
O+  
In From  
DAC  
V
O−  
I
IN+  
40 kΩ  
DGN Package  
(TOP VIEW)  
7
GND  
2
1
SHUTDOWN  
BYPASS  
IN+  
V
1
2
3
4
8
7
6
5
Bias  
Circuitry  
O−  
GND  
SHUTDOWN  
V
DD  
V
O+  
(1)  
C
100 kΩ  
(BYPASS)  
IN−  
(1)  
C
is optional.  
(BYPASS)  
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.  
ꢁꢖ ꢍ ꢓꢐ ꢗ ꢀꢔ ꢍꢎ ꢓ ꢂꢀꢂ ꢘꢙ ꢚꢛ ꢜ ꢝꢞ ꢟꢘꢛꢙ ꢘꢠ ꢡꢢ ꢜ ꢜ ꢣꢙꢟ ꢞꢠ ꢛꢚ ꢤꢢꢥ ꢦꢘꢡ ꢞꢟꢘ ꢛꢙ ꢧꢞ ꢟꢣꢈ ꢁꢜ ꢛꢧꢢ ꢡꢟꢠ  
ꢡ ꢛꢙ ꢚꢛꢜ ꢝ ꢟꢛ ꢠ ꢤꢣ ꢡ ꢘ ꢚꢘ ꢡ ꢞ ꢟꢘ ꢛꢙꢠ ꢤ ꢣꢜ ꢟꢨꢣ ꢟꢣ ꢜ ꢝꢠ ꢛꢚ ꢀꢣꢩ ꢞꢠ ꢔꢙꢠ ꢟꢜ ꢢꢝ ꢣꢙꢟ ꢠ ꢠꢟ ꢞꢙꢧ ꢞꢜ ꢧ ꢪ ꢞꢜ ꢜ ꢞ ꢙꢟꢫꢈ  
ꢁꢜ ꢛ ꢧꢢꢡ ꢟ ꢘꢛ ꢙ ꢤꢜ ꢛ ꢡ ꢣ ꢠ ꢠ ꢘꢙ ꢬ ꢧꢛ ꢣ ꢠ ꢙꢛꢟ ꢙꢣ ꢡꢣ ꢠꢠ ꢞꢜ ꢘꢦ ꢫ ꢘꢙꢡ ꢦꢢꢧ ꢣ ꢟꢣ ꢠꢟꢘ ꢙꢬ ꢛꢚ ꢞꢦ ꢦ ꢤꢞ ꢜ ꢞꢝ ꢣꢟꢣ ꢜ ꢠꢈ  
Copyright 2004, Texas Instruments Incorporated  
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