TDA2822规格书.pdf

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1、TDA2822DDUAL LOW-VOLTAGE POWER AMPLIFIERSUPPLY VOLTAGE DOWN TO 1.8VLOWCROSSOVER DISTORTIONLOW QUIESCENT CURRENTBRIDGE OR STEREO CONFIGURATIONDESCRIPTIONThe TDA2822D is a monolithic integrated circuitin 8 lead(SO-8)package.It is intended for use asdual audio power amplifier in portable cassetteplayer

2、s,radios and CD playersSeptember 2003APPLICATION CIRCUITSO8ORDERING NUMBER:TDA2822DABSOLUTE MAXIMUM RATINGSSymbolParameterValueUnitVSSupply Voltage15VIOPeak Output1APtotTotal Power Dissipation Tamb=50C0.5WTstg,TjStorage and Junction Temperature-40 to 150C1/6THERMAL DATASymbolDescriptionValueUnitRth

3、j-ambThermal Resistance Junction-ambientMax200C/WPIN CONNECTION(Top view)Figure 1:Stereo Application and Test CircuitFigure 2:Bridge Application and Test CircuitTDA2822D2/6ELECTRICAL CHARACTERISTICS(VS=6V;Tamb=25C,unless otherwise specified.STEREO(Test circuit of fig.1).SymbolParameterTest Condition

4、Min.Typ.Max.UnitVSSupply Voltage1.815VIdTotal Quiescent Drain Current15mAVOQuiescent Output Voltage2.7VVS=3V1.2VIbInput Bias Current100nAPOOutput Power(each channel)(f=1KHz,d=10%)VS=9V VS=6VRL=32 VS=4.5V VS=3V VS=2V30012060205mWRL=16 VS=6V170220mWRL=8 VS=6V300380mWRL=4 VS=4.5V VS=3V 320110mWmWdDisto

5、rtionRL=32 PO=40mW0.2%RL=16 PO=75mW0.2%RL=8 PO=150mW0.2%GVClosed Loop Voltage Gainf=1KHz363941dBGVChannel Balance1dBRiInput Resistancef=1KHz100KeNTotal Input NoiseRs=10k B=Curve A2VRs=10k B=22Hz to 22KHz2.5VSVRSupply Voltage Rejectionf=100Hz C1=C2=100F2430dBCsChannel Separationf=1KHz50dBBRIDGE(Test

6、circuit of fig.2)VSSupply Voltage1.815VIdTotal Quiescent Drain CurrentRL=15mAVosOutput Offset Voltage(betweenthe outputs)RL=8 80mVIbInput Bias Current100nAPOOutput Power(f=1KHz,d=10%)VS=9V VS=6VRL=32 VS=4.5V VS=3V VS=2V320501000400200658mWRL=16 VS=6VRL=16W VS=3V800120mWmWRL=8 VS=4.5VRL=8W VS=3V70022

7、0mWmWRL=4 VS=3V RL=4W VS=2V 35080mWmWdDistortionRL=8 PO=0.5W f=1KHz0.2%GVClosed Loop Voltage Gainf=1KHz39dBRiInput Resistancef=1KHz100KeNTotal Input NoiseRs=10k B=Curve A2.5VRs=10k B=22Hz to 22KHz3VSVRSupply Voltage Rejectionf=100Hz 40dBBPower Bandwidth(-3dB)RL=8 PO=1W120KHzTDA2822D3/6Figure 3:Suppl

8、y Voltage Rejection vs.Fre-quencyFigure 4:Output Power vs.Supply Voltage(THD=10%,f=1KHz Stereo)Figure 5:Total Power Dissipation vs.OutputPower(Bridge)Figure 6:Total Power Dissipation vs.OutputPower(Bridge)TDA2822D4/6DIM.mminchMIN.TYP.MAX.MIN.TYP.MAX.A1.750.069a10.10.250.0040.010a21.650.065a30.650.85

9、0.0260.033b0.350.480.0140.019b10.190.250.0070.010C0.250.50.0100.020c145(typ.)D(1)4.85.00.1890.197E5.86.20.2280.244e1.270.050e33.810.150F(1)3.84.00.150.157L0.41.270.0160.050M0.60.024S8(max.)(1)D and F do not include mold flash or protrusions.Mold flash or potrusions shall not exceed 0.15mm(.006inch).

10、SO8OUTLINE ANDMECHANICAL DATATDA2822D5/6Information furnished is believed to be accurate and reliable.However,STMicroelectronics assumes no responsibility for the consequencesof use of such information nor for any infringement of patents or other rights of third parties which may result from its use

11、.No license isgranted by implication or otherwise under any patent or patent rights of STMicroelectronics.Specifications mentioned in this publication aresubject to change without notice.This publication supersedes and replaces all information previously supplied.STMicroelectronics productsare not a

12、uthorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics.The ST logo is a registered trademark of STMicroelectronics.All other names are the property of their respective owners 2003 STMicroelectronics-All rights reservedSTMicroelectronics GROUP OF COMPANIESAustralia Belgium-Brazil-Canada-China Czech Republic-Finland-France-Germany-Hong Kong-India-Israel-Italy-Japan-Malaysia-Malta-Morocco-Singapore-Spain-Sweden-Switzerland-United Kingdom-United STDA2822D6/6