TDA7231A
TDA7231A is 1.6W AUDIO AMPLIFIER manufactured by STMicroelectronics.
DESCRIPTION te The 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
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
- 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 duc Id Quiescent Drain Current ro Ib Input Bias Current PPo Output Power bsoleted Distortion )
- OGv Closed Loop Voltage Gain t(s Rin Input Resistance uce N 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 k Hz RL = 8 Ω f = 1k Hz
RL = 8Ω RL = 4Ω RL = 8Ω RL = 4Ω RL = 4Ω RL = 8Ω f = 1k Hz Rs = 10kΩ B = Curve A
B = 22Hz to 22k Hz
Min. 1.8
Typ.
2.7 1.2 3.6 100
1.8 1.6 0.4 0.7 110 70
Max....