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TPA2036D1_11

更新时间： 2024-11-15 12:47:11
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
24页 756K
描述
2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY

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TPA2036D1_11 数据手册

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TPA2036D1  
www.ti.com.............................................................................................................................................................................................. SLOS589–OCTOBER 2008  
2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY  
1
FEATURES  
APPLICATIONS  
•
•
•
•
Wireless or Cellular Handsets and PDAs  
Personal Navigation Devices  
General Portable Audio Devices  
Linear Vibrator Drivers  
2
•
Pin-to-pin compatibility with TPA2010D1  
•
•
Short Circuit Auto-recovery  
Maximum Battery Life and Minimum Heat  
–
Efficiency With an 8-Ω Speaker:  
–
–
88% at 400 mW  
80% at 100 mW  
SEE ALSO  
•
TPA2031D1, TPA2032D1, TPA2033D1,  
TPA2034D1, TPA2035D1  
–
–
2.8-mA Quiescent Current  
0.5-µA Shutdown Current  
DESCRIPTION  
•
Only Three External Components  
The TPA2036D1 is a 2.5-W high efficiency filter-free  
class-D audio power amplifier (class-D amp) in a 1,45  
mm × 1,45 mm wafer chip scale package (WCSP)  
that requires only three external components.  
–
–
–
Optimized PWM Output Stage Eliminates  
LC Output Filter  
High PSRR (–75 dB) and Wide Supply  
Voltage (2.5 V to 5.5 V)  
Features such as 88% efficiency, –75-dB PSRR,  
improved RF immunity, and 8 mm2 total PCB area  
make TPA2036D1 ideal for cellular handsets. A fast  
start-up time of 1 ms with minimal pop makes  
TPA2036D1 ideal for portable applications.  
Fully Differential Design Reduces RF  
Rectification and Eliminates Bypass  
Capacitor  
–
Improved CMRR Eliminates Two Input  
Coupling Capacitors  
In cellular handsets, TPA2036D1 is capable of driving  
the earpiece, speaker phone, and melody ringer.  
TPA2036D1 allows independent gain while summing  
signals from separate sources, and has a low 36  
µVRMS noise floor, A-weighted.  
•
1,45mm × 1,45 mm 9-Ball WCSP  
NanoFree™ Lead-Free (YZF)  
–
APPLICATION CIRCUIT  
9-BALL  
WAFER CHIP SCALE  
YZF PACKAGE  
To Battery  
TPA2036D1 DIMENSIONS  
Internal  
V
DD  
(TOP VIEW OF PCB)  
Oscillator  
C
S
R
R
I
+
-
IN-  
IN+  
A1  
GND  
A2  
V
O-  
V
O+  
PWM  
H-  
_
+
A3  
Differential  
Input  
Bridge  
V
O-  
V
DD  
V
GND  
B3  
DD  
I
IN+  
1,45 mm  
B1  
B2  
GND  
Bias  
IN-  
C1  
SHUTDOWN  
C2  
V
O+  
SHUTDOWN  
Circuitry  
C3  
TPA2036D1  
1,45 mm  
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...24

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