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YZG
TPA2080D1
www.ti.com.cn
ZHCS767A– JANUARY2012– – REVISEDOCTOBER2012
具具有有
G
类类升升压压转转换换器器的的
2.2W
恒恒定定输输出出功功率率
D
类类音音频频放放大大器器
查查询询样样品品
:TPA2080D1
1
特特性性
说说明明
可可利利用用一一个个
3.6V
电电源源向向
4
Ω负负载载输输送送
2.2W
功功
TPA2080D1
是一款高效
D
类音频功率放大器,此放
率率((
1%
总总谐谐波波失失真真
(THD)+N
))
大器集成了可提高低输出功率下效率的
G
类升压转换
集集成成型型
G
类类升升压压转转换换器器
器。它可驱动高达
2.2W
功率进入
4
Ω扬声器
在在低低输输出出功功率率时时增增加加了了效效率率
(1%THD+D)
。借助于
85%
的典型效率,
TPA2080D1
• 3.6V
电电源源供供电电情情况况下下的的
3.5mA
低低静静态态电电流流
可在播放音频时帮助延长电池寿命。
具具有有自自动动恢恢复复功功能能的的过过热热和和短短路路保保护护
当需要高输出功率时,内置的升压转换器为
D
类放大
• 20dB
固固定定增增益益
器生成一个
5.75V
的电源电压。相对于直接连接至电
采采用用
1.53mmx1.98mm
,,
0.5mm
焊焊球球间间距距
12
焊焊
池的独立放大器,此器件提供了更加响亮的音频输出。
球球晶晶圆圆级级芯芯片片
(WCSP)(DSBGA)
封封装装
在低音频输出功率期间,升压转换器无效并且将
VBAT
直接接在
D
类放大器电源,即
PVDD
上。这样提升了
应应用用范范围围
总体效率。
手手机机
个个人人数数据据助助理理
(PDA)
,,全全球球卫卫星星定定位位系系统统
(GPS)
TPA2080D1
具有一个集成的低通滤波器以改进射频
便便携携式式电电子子设设备备和和扬扬声声器器
(RF)
抑制并减少数模转换器
(DAC)
的频带外噪声,进
而提高信噪比
(SNR)
TPA2080D1
采用节省空间的
1.53mm×
1.982mm
0.5mm
焊球间距
WCSP
封装
(YZG)
简简化化的的应应用用图图
1
Pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsof
TexasInstrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdatasheet.
PRODUCTIONDATAinformationiscurrentasofpublicationdate.
Copyright©2012,TexasInstrumentsIncorporated
Products conform m to o specifications per the terms s of f the e Texas
Instruments standard d warranty. . Production processing g does s not
EnglishDataSheet:SLOS733
necessarilyincludetestingofallparameters.
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D1
D2
C1
C2
B1
B2
OUT–
PGND
AGND
N/C
OUT+
BGND
EN
A1
A2
SW
D3
C3
B3
VBAT
A3
PVDD
IN–
IN+
YZGPackage
(TopView)
TPA2080D1
ZHCS767A– JANUARY2012– REVISEDOCTOBER2012
www.ti.com.cn
Thesedeviceshavelimitedbuilt-inESDprotection.Theleadsshouldbeshortedtogetherorthedeviceplacedinconductivefoam
duringstorageorhandlingtopreventelectrostaticdamagetotheMOSgates.
FUNCTIONALBLOCKDIAGRAM
DEVICEPINOUT
2
Copyright©2012,TexasInstrumentsIncorporated
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TPA2080D1
www.ti.com.cn
ZHCS767A– JANUARY2012– – REVISEDOCTOBER2012
PINFUNCTIONS
PIN
INPUT/OUTPUT/
DESCRIPTION
POWER
NAME
WCSP
(I/O/P)
PVDD
A1
O
BoostconverteroutputandClass-Dpowerstagesupplyvoltage.
SW
A2
I
Boostconverterswitchinput;connectboostinductorbetweenVBATandSW.
BGND
A3
P
Boostconverterpowerground.
OUT+
B1
O
Positiveaudiooutput.
N/C
B2
NoConnection
VBAT
B3
P
Supplyvoltage.
OUT–
C1
O
Negativeaudiooutput.
EN
C2
I
Deviceenable;settologichightoenable.
IN+
C3
I
Positiveaudioinput.
PGND
D1
P
Class-Dpowerground.
AGND
D2
P
Analogground.
IN–
D3
I
Negativeaudioinput.
ORDERINGINFORMATION
T
A
PACKAGEDDEVICES
(1)
PARTNUMBER
(2)
SYMBOL
12-ball,1.53mm× 1.982mmWSCP(DSBGA)
TPA2080D1YZGR
TPA2080D1
– 40° ° Cto85° C
12-ball,1.53mm× 1.982mmWSCP(DSBGA)
TPA2080D1YZGT
TPA2080D1
(1) Forthemostcurrentpackageandorderinginformation,seethePackageOptionAddendumattheendofthisdocument,orseetheTI
Websiteatwww.ti.com.
(2) TheYZGpackageisonlyavailabletapedandreeled.Thesuffix“R” ” indicatesareelof3000,thesuffix“T” ” indicatesareelof250.
ABSOLUTEMAXIMUMRATINGS
Overoperatingfree– airtemperaturerange,T
A
=25°C(unlessotherwisenoted)
(1)
MIN
MAX
UNIT
Supplyvoltage
VBAT
– 0.3
6
V
InputVoltage,V
I
IN+,IN–
– 0.3
VBAT+0.3
V
Outputcontinuoustotalpowerdissipation
SeetheThermalInformationTable
Operatingfree-airtemperaturerange,T
A
– 40
85
° C
Operatingjunctiontemperaturerange,T
J
– 40
150
° C
Storagetemperaturerange,T
STG
– 65
150
° C
Minimumloadresistance
3.2
HBM
2000
V
ESDProtection
CDM
500
V
MM
100
V
(1) Stressesbeyondthoselistedunderabsolutemaximumratingsmaycausepermanentdamagetothedevice.Thesearestressratings
only,andfunctionaloperationofthedeviceattheseoranyotherconditionsbeyondthoseindicatedunderrecommendedoperating
conditionsisnotimplied.Exposuretoabsolute– maximum– ratedconditionsforextendedperiodsmayaffectdevicereliability.
Copyright©2012,TexasInstrumentsIncorporated
3
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TPA2080D1
ZHCS767A– JANUARY2012– REVISEDOCTOBER2012
www.ti.com.cn
THERMALINFORMATION
TPA2080D1
THERMALMETRIC
(1)
YZG
UNITS
12PINS
θ
JA
Junction-to-ambientthermalresistance
97.3
θ
JC(top)
Junction-to-case(top)thermalresistance
36.7
θ
JB
Junction-to-boardthermalresistance
55.9
° C/W
ψ
JT
Junction-to-topcharacterizationparameter
13.9
ψ
JB
Junction-to-boardcharacterizationparameter
49.5
(1)
有关传统和新的热度量的更多信息,请参阅
IC
封装热度量
应用报告,
SPRA953
RECOMMENDEDOPERATINGCONDITIONS
MIN
MAX
UNIT
Supplyvoltage,VBAT
2.5
5.2
V
V
IH
High– levelinputvoltage,END
1.3
V
V
IL
Low– levelinputvoltage,END
0.6
V
T
A
Operatingfree-airtemperature
– 40
85
°C
T
J
Operatingjunctiontemperature
– 40
150
°C
ELECTRICALCHARACTERISTICS
VBAT=3.6V,T
A
=25°C,R
L
=8
+33
μ
H(unlessotherwisenoted)
PARAMETER
TESTCONDITIONS
MIN
TYP
MAX
UNIT
VBATsupplyvoltagerange
2.5
5.2
V
EN=VBAT,boostconverteractive
5.75
Class-Dsupplyvoltagerange
V
Boostconverterdisabled(inbypassmode)
2.5
5.2
Supplyundervoltageshutdown
2.2
V
Operatingquiescentcurrent
EN=VBAT=3.6V
2.0
6
mA
Shutdownquiescentcurrent
VBAT=2.5Vto5.2V,EN=GND
0.2
1
μ
A
Inputcommon-modevoltagerange
IN+,IN–
0.6
1.3
V
Start-uptime
6
10
ms
4
Copyright©2012,TexasInstrumentsIncorporated
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TPA2080D1
www.ti.com.cn
ZHCS767A– JANUARY2012– – REVISEDOCTOBER2012
OPERATINGCHARACTERISTICS
VBAT=3.6V,EN=VBAT,T
A
=25°C,R
L
=8
+33
μ
H(unlessotherwisenoted)
PARAMETER
TESTCONDITIONS
MIN
TYP
MAX
UNIT
BOOSTCONVERTER
I
BOOST
=0mA
5.4
5.75
6.4
V
PVDD
Boostconverteroutputvoltagerange
I
BOOST
=700mA
5.6
V
Boostconverterinputcurrentlimit
Powersupplycurrent
1800
Boostconverterstartsupfromfullshutdown
600
I
L
mA
Boostconverterstart-upcurrentlimit
Boostconverterwakesupfromauto-passthrough
1000
mode
f
BOOST
Boostconverterfrequency
1.2
MHz
CLASS-DAMPLIFIER
THD=1%,VBAT=2.5V,f=1kHz
1440
THD=1%,VBAT=3.0V,f=1kHz
1750
THD=1%,VBAT=3.6V,f=1kHz
1900
THD=1%,VBAT=2.5V,f=1kHz,
1460
P
O
Outputpower
mW
R
L
=4
Ω
+33µ H
THD=1%,VBAT=3.0V,f=1kHz,
1800
R
L
=4
Ω
+33µ H
THD=1%,VBAT=3.6V,f=1kHz,
2280
R
L
=4
Ω
+33µ H
A
V
Voltagegain
19.5
20
20.5
dB
V
OOS
Outputoffsetvoltage
2
10
mV
Short-circuitprotectionthreshold
2
A
current
Inputimpedance(perinputpin)
24
R
IN
k
Inputimpedanceinshutdown(per
EN=0V
1300
inputpin)
Z
O
Outputimpedanceinshutdown
2
k
Maximuminputvoltageswing
EN=0V
2
V
RMS
Boostconverterauto-passthrough
Class-Doutputvoltagethresholdwhenboost
2
V
PK
threshold
converterautomaticallyturnson
f
CLASS-D
Class-Dswitchingfrequency
275
300
325
kHz
η
Class-Dandboostcombinedefficiency P
O
=500mW,VBAT=3.6V
90%
A-weighted
49
E
N
Noiseoutputvoltage
μ
V
RMS
Unweighted
65
1.7W,R
L
=8
Ω
+33µ H.A-weighted
97.5
1.7W,R
L
=8
Ω
+33µ H.Unweighted
95
SNR
Signal-to-noiseratio
dB
2W,R
L
=4
Ω
+33µ H.A-weighted
95
2W,R
L
=4
Ω
+33µ H.Unweighted
93
P
O
=100mW,f=1kHz
0.06%
P
O
=500mW,f=1kHz
0.07%
THD+N
Totalharmonicdistortionplusnoise(1)
P
O
=1.7W,f=1kHz,R
L
=8
Ω
+33µ H
0.07%
P
O
=2W,f=1kHz,R
L
=4
Ω
+33µ H
0.15%
200mV
PP
squareripple,V
BAT
=3.8V,f=217Hz
62.5
AC
AC-Powersupplyripplerejection
dB
PSRR
(outputreferred)
200mV
PP
squareripple,V
BAT
=3.8V,f=1kHz
62.5
200mV
PP
squareripple,V
BAT
=3.8V,f=217Hz
71
AC
AC-Commonmoderejectionratio
dB
CMRR
(outputreferred)
200mV
PP
squareripple,V
BAT
=3.8V,f=1kHz
71
(1) A-weighted
Copyright©2012,TexasInstrumentsIncorporated
5
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1 ˩F
1 ˩F
30-kHz
Low-Pass 
Filter
Supply
2.2 ˩H
22˩F
IN+
IN–
SW
VBAT
GND
OUT+
OUT–
PVDD
10 ˩F
Load
Measurement 
Input
Measurement 
Output
+
+
TPA2080D1
+
EN
10 k 
TPA2080D1
ZHCS767A– JANUARY2012– REVISEDOCTOBER2012
www.ti.com.cn
TESTSET-UPFORGRAPHS
(1) The1µ µ FinputcapacitorsonIN+andIN-wereshortedforinputcommon-modevoltagemeasurements.
(2) A33µ µ Hinductorwasplacedinserieswiththeloadresistortoemulateasmallspeakerforefficiencymeasurements.
(3) The e 30 kHz low-pass filteris required even if the analyzerhas an internal low-pass filter. An R-C low-pass filter
(100
Ω
,47nF)isusedoneachoutputforthedatasheetgraphs.
6
Copyright©2012,TexasInstrumentsIncorporated
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f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
20
100
1k
10k
20k
0.001
0.01
0.1
1
10
P
O
= 225 mW
P
O
= 560 mW
P
O
= 1 W
P
O
= 1.7 W
V
BAT
= 3.6 V
R
L
= 8 W + 33 mH
Gain = 20 dB
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
20
100
1k
10k
20k
0.001
0.01
0.1
1
10
P
O
= 62 mW
P
O
= 450 mW
P
O
= 1.1 W
P
O
= 2 W
V
BAT
= 3.6 V
R
L
= 4 W + 33 mH
Gain = 20 dB
P
O
− Output Power − W
IVBAT − Total Supply Current − A
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
V
BAT
= 2.8 V
V
BAT
= 3.0V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 8 W + 33 mH
Gain = 20 dB
f = 1 kHz
P
O
− Output Power − W
IVBAT − Total Supply Current − A
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
V
BAT
= 2.8 V
V
BAT
= 3.0V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 4 W + 33 mH
Gain = 20 dB
f = 1 kHz
V
BAT
− Supply Voltage − V
PO − Output Power − W
2.3
2.8
3.3
3.8
4.3
4.8
0.0
0.5
1.0
1.5
2.0
2.5
3.0
THD + N = 10%
THD + N = 1%
R
L
= 8 W + 33 mH
Gain = 20 dB
f = 1 kHz
V
BAT
− Supply Voltage − V
PO − Output Power − W
2.5
3.0
3.5
4.0
4.5
5.0
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
THD + N = 10%
THD + N = 1%
R
L
= 4 W + 33 mH
Gain = 20 dB
f = 1 kHz
TPA2080D1
www.ti.com.cn
ZHCS767A– JANUARY2012– – REVISEDOCTOBER2012
TYPICALCHARACTERISTICS
VBAT=3.6V,C
I
=1µ F,C
BOOST
=22µ F,L
BOOST
=2.2µ H,EN=VBAT,andLoad=8
Ω
+33µ H,noferritebeadunlessotherwise
specified.
Figure1.OUTPUTPOWERvsSUPPLYVOLTAGE
Figure2.OUTPUTPOWERvsSUPPLYVOLTAGE
Figure3.TOTALSUPPLYCURRENTvsOUTPUTPOWER
Figure4.TOTALSUPPLYCURRENTvsOUTPUTPOWER
Figure5.THD+NvsFREQUENCY
Figure6.THD+NvsFREQUENCY
Copyright©2012,TexasInstrumentsIncorporated
7
P
O
− Output Power − W
PD − Total Power Dissipation − W
0.0
0.5
1.0
1.5
2.0
2.5
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
V
BAT
= 2.8 V
V
BAT
= 3.0 V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 8 W + 33 mH
Gain = 20 dB
f = 1 kHz
P
O
− Output Power − W
PD − Total Power Dissipation − W
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
V
BAT
= 2.8 V
V
BAT
= 3.0 V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 4 W + 33 mH
Gain = 20 dB
f = 1 kHz
P
O
− Output Power − W
Efficiency − %
0.01
0.1
1
3
0
20
40
60
80
100
V
BAT
= 2.8 V
V
BAT
= 3.0 V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 8 W + 33 mH
Gain = 20 dB
f = 1 kHz
P
O
− Output Power − W
Efficiency − %
0.01
0.1
1
4
0
20
40
60
80
100
V
BAT
= 2.8 V
V
BAT
= 3.0 V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 4 W + 33 mH
Gain = 20 dB
f = 1 kHz
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
1m
10m
100m
1
4
0.01
0.1
1
10
100
V
BAT
= 3.0 V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 8 W + 33 mH
Gain = 20 dB
f = 1 kHz
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
1m
10m
100m
1
5
0.01
0.1
1
10
100
V
BAT
= 3.0 V
V
BAT
= 3.6 V
V
BAT
= 4.2 V
V
BAT
= 5.0 V
R
L
= 4 W + 33 mH
Gain = 20 dB
f = 1 kHz
TPA2080D1
ZHCS767A– JANUARY2012– REVISEDOCTOBER2012
www.ti.com.cn
TYPICALCHARACTERISTICS(continued)
VBAT=3.6V,C
I
=1µ F,C
BOOST
=22µ F,L
BOOST
=2.2µ H,EN=VBAT,andLoad=8
Ω
+33µ H,noferritebeadunless
otherwisespecified.
Figure7.THD+NvsOUTPUTPOWER
Figure8.THD+NvsOUTPUTPOWER
Figure9.TOTALEFFICIENCYvsOUTPUTPOWER
Figure10.TOTALEFFICIENCYvsOUTPUTPOWER
Figure11.TOTALPOWERDISSIPATIONvsOUTPUT
Figure12.TOTALPOWERDISSIPATIONvsOUTPUT
POWER
POWER
8
Copyright©2012,TexasInstrumentsIncorporated
t − Time − s
V − Voltage − V
−2m
0
2m
4m
6m
8m
10m
−2
0
2
4
6
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