常用芯片资料——1464.docx

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1、DUAL LOW-VOLTAGE POWER AMPLIFIER SUPPLY VOLTAGE DOWN TO 1.8V LOW CROSSOVER DISTORSION LOW QUIESCENT CURRENT BRIDGE OR STEREO CONFIGURATIONMINIDIPORDERING NUMBER : TDA2822MDESCRIPTIONThe TDA2822M is a monolithic integrated circuit in 8 lead Minidip package. It is intended for use as dual audio power

2、amplifier in portable cassette players and radios.PIN CONNECTION (lop view)VOUTPUTS118JlNPUT-(l)SUPPLY VOLTAGE!27|lNPUT.(1)OUTPUT.36|1NPUT(2 )GROUND|&5|lNPUT-(2)s-raIMINIDIP PACKAGE MECHANICAL DATADIM.mminchMIN.TYP.MAX.MIN.TYP.MAX.A3.320.131a10.510.020B1.151.650.0450.065b0.3560.550.0140.022b10.2040.

3、3040.0080.012D10.920.430E7.959.750.3130.384e2.540.100e37.620.300e47.620.300F6.60.260I5.080.200L3.183.810.1250.150Z1.520.060e4Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the consequences of use of such information

4、nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice.

5、This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products arenot authorized for use as critical components in life support devices or systems without express written approval of SGS-THOMSON Microelectronics.1994 SGS-THOMSON Microelectronics -

6、 All Rights ReservedSGS-THOMSON Microelectronics GROUP OF COMPANIESAustralia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands - Singa-pore -Spain - Sweden - Switzerland - Taiwan - Thaliand - United Kingdom - U.S.A.SCHEMATIC DIAGRAMABSOLUT

7、E MAXIMUM RATINGSSymbolParameterValueUnitVsSupply Voltage15VIoPeak Output Current1APtotTotal Power Dissipation at Tamb = 50 at Tease = 50 C11.4W WTstg, TjStorage and Junction Temperature-40, + 150THERMAL DATASymbolParameterValueUnitRth j-ambThermal Resistance Junction-ambientMax.100/WRthj-caseTherma

8、l Resistance Junction-pin (4)Max.70/WELECTRICAL CHARACTERISTICS (Vs = 6V, Tamb = 25, unless otherwise specified)SymbolParameter|Test ConditionsMin. Typ. Max. UnitSTEREO (test circuit of Figure 1)VsSupply Voltage1.815VVoQuiescent Output VoltageVS = 3V2.71.2VVIdQuiescent Drain Current69mAlbInput Bias

9、Current100nAPoOutput Power (each channel) (f = 1kHz, d= 10%)Rl= 32Q VS = 9VVS = 6VVs = 4.5VVs = 3VVS = 2VRl = 16Q Vs = 6VRl = 8Q Vs = 9VVs = 6VRl=4Q Vs = 6VVs = 4.5VVs = 3V9015170300450300 120 60 205 220 1000 380 650 320 110mWdDistortion (f = 1kHz)Rl = 32QPo =40mWRl= 16QPo =75mWRl = 8QPo=150mW0.20.2

10、0.2% % %GvClosed Loop Voltage Gainf = 1kHz363941dBAGvChannel Balance 1dBRiInput Resistancef = 1kHz100kQeNTotal Input NoiseRs = 10kQ B = Curve AB = 22Hz to 22kHz22.5mV mVSVRSupply Voltage Rejectionf = 100H乙 C1 = C2 = 100pF2430dBCsChannel Separationf = 1kHz50dBBRIDGE (test circuit of Figure 2)VsSupply

11、 Voltage1.815VIdQuiescent Drain CurrentRl = co69mAVosOutput Offset Voltage (between the outputs)Rl=8Q50mVlbInput Bias Current100nAPoOutput Power (f = 1kHz, d = 10%)Rl= 32Q VS = 9V Vs = 6V Vs = 4.5V VS = 3V VS = 2VRl= 16Q Vs = 9V VS = 6V Vs = 3VRl=8Q Vs = 6V Vs = 4.5V Vs = 3VRl=4Q Vs = 4.5V Vs = 3V V

12、S = 2V320509002001000 400 200658 2000 800 1201350 700 220 1000 35080mWdDistortionPo = 0.5W, RL=8Q, f=1kHz0.2%GvClosed Loop Voltage Gainf = 1kHz39dBRiInput Resistancef = 1kHz100kQeNTotal Input NoiseRs = 10kQ B = Curve AB = 22Hz to 22kHz2.5 3mV mVSVRSupply Voltage Rejectionf= 100Hz40dBBPower Bandwidth

13、 (-3dB)R = 8Q, Po= 1W120kHzFigure 1 : Test Circuit (Stereo)61 i sFigure 2 : Test Circuit (Bridge)% Oq33 c 3工10/2-Figure 3 : P.C. Board and Components Layoutof the Circuit of Figure 1Figure 4 : P.C. Board and Components Layoutof the Circuit of Figure 2vo( IJU X.oVqR)0GNP C-O G WO O【N(L) O IN(R) O GNU

14、GNDO-Figure 5 : Quiescent Current versus Supply VoltageFigure 6 : Supply Voltage Rejection versus FrequencyFigure 7 : Output Power versus Supply Voltage (THD = 10%, f=1kHz Stereo)Figure 8 : Distorsion versus Output Power (Stereo)Figure 9 : Distorsion versus Output Power (Stereo)Figure 10 : Output Po

15、wer versus Supply Voltage (Bridge)Figure 11 : Distorsion versus Output Power (Bridge)Figure 12 : Total Power Dissipation versus Output Power (Bridge)Figure 13 : Total Power Dissipation versus Output Power (Bridge)Figure 14 : Total Power Dissipation versus Output Power (Bridge)Figure 15 : Total Power

16、 Dissipation versus Output Power (Bridge)Figure 16 : Typical Application in Portable Players445- euiFigure 17 : Application in Portable Radio ReceiversFigure 18 : Portable Radio Cassette PlayersTypeSupply VoltageTDA 72201.5 V to 6 VTDA 7211A1.2 V to 6 VTEA 13303 Vto 15 VTDA 72821.5 V to 6 VTDA 2822M1.8 Vto 15 VFigure 19 : Portable Stereo RadiosTTypeSupply VoltageTDA 72201.5 Vto6 VTDA 7211A1.2 Vto6 VTEA 13303 Vto 15 VTDA 2822M1.8 Vto 15 VFigure 20 : Low Cost Application in Portable Players (using only one IOOjjF output capacitor)