TDA7231A Datasheet, PDF (2/5 Pages) STMicroelectronics – 1.6W AUDIO AMPLIFIER

TDA7231A
ABSOLUTE MAXIMUM RATINGS
Symbol
V_s
P_tot
I_o
Tstg, Tj
Parameter
Supply Voltage
Total Power Dissipation at T_amb = 50 °C
at T_case = 70 °C
Output Peak Current
Storage and Junction Temperature
Value
Unit
16
V
1.25
W
4
W
1
A
– 40 to 150
°C
THERMAL DATA
Symbol
R_{th j-amb}
R_{th j-pins}
Parameter
Thermal Resistance Junction-ambient
Thermal Resistance Junction-pins
Max.
Max.
Value
80
15
Unit
°C/W
°C/W
ELECTRICAL CHARACTERISTICS (V_s = 6 V, T_amb = 25 °C, unless otherwise specified)
Symbol
V_s
V_o
Id
I_b
P_o
Parameter
Supply Voltage
Quiescent Out Voltage
Quiescent Drain Current
Input Bias Current
Output Power
d
Distortion
G_v
R_in
eN
SVR
Closed Loop Voltage Gain
Input Resistance
Total Input Noise
Supply Voltage Rejection
Test Conditions
V_S = 6 V
V_S = 3 V
d = 10%
Vs = 12V
V_s = 9V
V_s = 6V
Vs = 6V
Vs = 3V
Vs = 3V
P_o = 0.2 W
f = 1 kHz
RL = 8 Ω
f = 1kHz
RL = 8Ω
R_L = 4Ω
R_L = 8Ω
RL = 4Ω
RL = 4Ω
RL = 8Ω
f = 1kHz
Rs = 10kΩ B = Curve A
B = 22Hz to 22kHz
f = 100Hz, R_g = 10kΩ
Min. Typ. Max. Unit
1.8
15
V
2.7
V
1.2
V
3.6
9
mA
100
nA
1.8
W
1.6
W
0.4
W
0.7
W
110
mW
70
mW
0.3
%
38
dB
100
kΩ
2
µV
3
µV
24
33
dB
Figure 1 : Test and Application Circuit
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