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TDA7231A Dataheets PDF



Part Number TDA7231A
Manufacturers ST Microelectronics
Logo ST Microelectronics
Description 1.6W AUDIO AMPLIFIER
Datasheet TDA7231A DatasheetTDA7231A Datasheet (PDF)

® OPERATING VOLTAGE 1.8 TO 15 V LOW QUIESCENT CURRENT HIGH POWER CAPABILITY LOW CROSSOVER DISTORTION SOFT CLIPPING TDA7231A 1.6W AUDIO AMPLIFIER Product(s)DESCRIPTION teThe TDA7231A is a monolithic integrated circuit in le4 + 4 lead minidip package. It is intended for use as class AB power amplifier with wide range of supply sovoltage in portable radios, cassette recorders and bplayers, etc. Obsolete Product(s) - OPIN CONNECTION MINIDIP (4+4) ORDERING NUMBER : TDA7231A September 2003 .

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® ..... OPERATING VOLTAGE 1.8 TO 15 V LOW QUIESCENT CURRENT HIGH POWER CAPABILITY LOW CROSSOVER DISTORTION SOFT CLIPPING TDA7231A 1.6W AUDIO AMPLIFIER Product(s)DESCRIPTION teThe TDA7231A is a monolithic integrated circuit in le4 + 4 lead minidip package. It is intended for use as class AB power amplifier with wide range of supply sovoltage in portable radios, cassette recorders and bplayers, etc. Obsolete Product(s) - OPIN CONNECTION MINIDIP (4+4) ORDERING NUMBER : TDA7231A September 2003 1/5 TDA7231A ABSOLUTE MAXIMUM RATINGS Symbol Vs Ptot Io Tstg, Tj Parameter Supply Voltage Total Power Dissipation at Tamb = 50 °C at Tcase = 70 °C Output Peak Current Storage and Junction Temperature Value 16 1.25 4 1 – 40 to 150 Unit V W W A °C THERMAL DATA Symbol Rth j-amb Rth j-pins Parameter Thermal Resistance Junction-ambient Thermal Resistance Junction-pins Max. Max. Value 80 15 Unit °C/W °C/W ELECTRICAL CHARACTERISTICS (Vs = 6 V, Tamb = 25 °C, unless otherwise specified) Symbol t(s)Vs Vo Parameter Supply Voltage Quiescent Out Voltage ducId Quiescent Drain Current roIb Input Bias Current PPo Output Power bsoleted Distortion ) - OGv Closed Loop Voltage Gain t(sRin Input Resistance uceN Total Input Noise Test Conditions VS = 6 V VS = 3 V d = 10% Vs = 12V Vs = 9V Vs = 6V Vs = 6V Vs = 3V Vs = 3V Po = 0.2 W f = 1 kHz RL = 8 Ω f = 1kHz RL = 8Ω RL = 4Ω RL = 8Ω RL = 4Ω RL = 4Ω RL = 8Ω f = 1kHz Rs = 10kΩ B = Curve A B = 22Hz to 22kHz Min. 1.8 Typ. 2.7 1.2 3.6 100 1.8 1.6 0.4 0.7 110 70 0.3 Max. 15 9 38 100 2 3 Unit V V V mA nA W W W W mW mW % dB kΩ µV µV Obsolete ProdFigure 1 : Test and Application Circuit 2/5 Figure 2 : P.C. Board and Components Layout of the figure 1 (1:1 scale) TDA7231A ct(s)Figure 3 : Output Power versus Supply Voltage Figure 4 : Quiescent Current versus Supply Voltage roduct(s) - Obsolete ProduFigure 5 : Quiescent Output Voltage versus Obsolete PSupply Voltage Figure 6 : Supply Voltage Rejection versus Frequency 3/5 TDA7231A DIM. MIN. mm TYP. MAX. MIN. inch TYP. MAX. A 3.3 0.130 OUTLINE AND MECHANICAL DATA a1 0.7 0.028 B 1.39 1.65 0.055 0.065 B1 0.91 1.04 0.036 0.041 b 0.5 0.020 b1 0.38 0.5 0.015 0.020 D 9.8 0.386 E 8.8 0.346 e 2.54 0.100 e3 7.62 0.300 t(s)e4 7.62 0.300 cF 7.1 0.280 duI 4.8 0.189 roL 3.3 0.130 Obsolete Product(s) - Obsolete PZ 0.44 1.6 0.017 0.063 PowerMinidip 4/5 TDA7231A solete Product(s) - Obsolete Product(s)Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted bby implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to Ochange without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized 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 reserved STMicroelectronics GROUP OF COMPANIES Australia – 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 States www.st.com. 5/5 .


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