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TPA2033D1

更新时间： 2024-11-18 03:58:47
品牌 Logo 应用领域
德州仪器 - TI 放大器功率放大器LTE
页数 文件大小 规格书
17页 868K
描述
2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

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TPA2033D1 数据手册

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TPA2032D1  
TPA2033D1  
TPA2034D1  
www.ti.com  
SLOS476–JUNE 2006  
2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER  
FEATURES  
•
Wafer Chip Scale Packaging (WCSP)  
•
Maximize Battery Life and Minimize Heat  
– NanoFree™ Lead-Free (Pb-Free: YZF)  
– 0.5-µA Shutdown Current  
APPLICATIONS  
– 3.0-mA Quiescent Current  
•
Ideal for Wireless Handsets, PDAs, and other  
mobile devices  
– High Efficiency Class-D  
• 88% at 400mW at 8Ω  
• 80% at 100mW at 8Ω  
DESCRIPTION  
•
•
Three Fixed Gain Versions  
The TPA2032D1 (2V/V gain), TPA2033D1 (3V/V  
gain), and TPA2034D1 (4V/V gain) are 2.75-W high  
efficiency filter-free class-D audio power amplifiers,  
each in an approximately 1.5-mm × 1.5-mm wafer  
chip scale package (WCSP) that requires only one  
external component. The pinout is the same as the  
TPA2010D1 except that the external gain setting  
input resistors required by the TPA2010D1 are  
integrated into the fixed gain TPA203xD1 family.  
– TPA2032D1 has a gain of 2 V/V (6dB)  
– TPA2033D1 has a gain of 3 V/V (9.5dB)  
– TPA2034D1 has a gain of 4 V/V (12dB)  
Only One External Component Required  
– Internal Matched Input Gain and Feedback  
Resistors for Excellent PSRR and CMRR  
– Optimized PWM Output Stage Eliminates  
LC Output Filter  
Features like –75dB PSRR and improved  
RF-rectification immunity with a very small PCB  
footprint (WCSP amplifier plus single decoupling  
cap) make the TPA203xD1 family ideal for wireless  
handsets. A fast start-up time of 3.2 ms with minimal  
pop makes the TPA203xD1 family ideal for PDA  
applications.  
– PSRR (–75 dB) and Wide Supply Voltage  
(2.5 V to 5.5 V) Eliminates Need for a  
Dedicated Voltage Regulator  
– Fully Differential Design Reduces RF  
Rectification and Eliminates Bypass  
Capacitor  
In wireless handsets, the earpiece, speaker phone,  
– CMRR (–69 dB)Eliminates Two Input  
Coupling Capacitors  
and melody ringer can each be driven by  
TPA203xD1. The TPA203xD1 family has a low  
27-µV noise floor, A-weighted.  
a
•
•
Thermal and Short-Circuit Protection  
Pinout Very Similar to TPA2010D1  
APPLICATION CIRCUIT  
CS  
TPA  
To Battery  
203xD1  
Internal  
Oscillator  
V
DD  
CS  
IN−  
~
2,5 mm  
V
O−  
PWM  
H−  
Bridge  
9-BALL WAFER CHIP SCALE, YZF PACKAGE,  
(TOP VIEW OF PCB)  
_
+
Differential  
Input  
V
O+  
V
GND  
A2  
IN+  
A1  
O−  
IN+  
A3  
V
PV  
PGND  
DD  
DD  
B2  
1,4 mm  
GND  
B1  
1,55 mm  
B3  
Bias  
Circuitry  
SHUTDOWN  
SHUTDWN V  
C2  
IN−  
C1  
O+  
TPA2032D1  
C3  
1,4 mm  
1,55 mm  
Note: Pin A1 is marked with a “0” .  
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.  
NanoFree is a trademark of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2006, Texas Instruments Incorporated  
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