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TDA7231A

ST Microelectronics
Part Number TDA7231A
Manufacturer ST Microelectronics
Description 1.6W AUDIO AMPLIFIER
Published Apr 23, 2005
Detailed Description ® OPERATING VOLTAGE 1.8 TO 15 V LOW QUIESCENT CURRENT HIGH POWER CAPABILITY LOW CROSSOVER DISTORTION SOFT CLIPPING...
Datasheet PDF File TDA7231A PDF File

TDA7231A
TDA7231A

Overview
® 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 TDA72...


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