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TPA2035D1

更新时间： 2025-08-23 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
20页 994K
描述
2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER

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TPA2035D1 数据手册

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TPA2035D1  
www.ti.com ................................................................................................................................................................................................ SLOS562–AUGUST 2008  
2.75-W FIXED GAIN MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER  
1
FEATURES  
APPLICATIONS  
•
Wireless Handsets, PDAs, and other mobile  
devices  
2
•
Maximize Battery Life and Minimize Heat  
–
–
–
0.5-µA Shutdown Current  
3-mA Quiescent Current  
High Efficiency Class-D  
DESCRIPTION  
The TPA2035D1 is a 2.75-W high efficiency filter-free  
class-D audio power amplifier 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 (SLOS417)  
except that the external gain setting input resistors  
required by the TPA2010D1 are integrated into the  
fixed gain of the TPA2035D1.  
–
–
88% at 400mW at 8Ω  
80% at 100mW at 8Ω  
•
•
•
Short Circuit Auto-recovery  
Gain of 2 V/V (6dB)  
Only One External Component Required  
–
–
–
Internal Matched Input Gain and Feedback  
Resistors for Excellent PSRR and CMRR  
Features like –75dB PSRR and improved  
RF-rectification immunity with a small PCB footprint  
(WCSP amplifier plus single decoupling cap) make  
the TPA2035D1 ideal for wireless handsets. A fast  
start-up time of 3.2 ms with minimal pop makes the  
TPA2035D1 ideal for PDA applications.  
Optimized PWM Output Stage Eliminates  
LC Output Filter  
PSRR (–75 dB) and Wide Supply Voltage  
(2.5 V to 5.5 V) Eliminates Need for a  
Dedicated Voltage Regulator  
In wireless handsets, the earpiece, speaker phone,  
and melody ringer can each be driven by the  
TPA2035D1. The TPA2035D1 has a low 27-µV noise  
floor, A-weighted.  
–
–
Fully Differential Design Reduces RF  
Rectification and Eliminates Bypass  
Capacitor  
CMRR (–69 dB)Eliminates Two Input  
Coupling Capacitors  
•
•
•
Thermal and Short-Circuit Protection  
Pinout Similar to the TPA2010D1  
Wafer Chip Scale Packaging (WCSP)  
–
NanoFree™ (YZF)  
APPLICATION CIRCUIT  
CS  
TPA  
To Battery  
CS  
2035D1  
Internal  
V
DD  
Oscillator  
IN−  
~
2,5 mm  
V
O −  
PWM  
H−  
9-BALL WAFER CHIP SCALE, YZF PACKAGE,  
(TOP VIEW OF PCB)  
_
+
Differential  
Input  
Bridge  
V
O+  
V
GND  
A2  
IN+  
A1  
O−  
IN+  
A3  
V
PV  
PGND  
DD  
DD  
B2  
1,4 mm  
GND  
1,55 mm  
B1  
B3  
Bias  
SHUTDOWN  
Circuitry  
SHUTDWN V  
C2  
IN−  
C1  
O+  
TPA2035D1  
C3  
1,4 mm  
1,55 mm  
Note: Pin A1 is marked with a “0” .  
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
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 © 2008, Texas Instruments Incorporated  
1234567...20

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TPA2035D1 替代型号

型号 品牌 替代类型 描述 数据表
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