TDA7241B
ELECTRICAL CHARACTERISTICS (Refer to the circuit of Fig. 1; VS = 14.4V; Rth (heatsink) = 4°C/W,
Tamb = 25°C, unless otherwise specified
Symbol
VS
Id
VOS
PO
d
GV
SVR
En
η
Isb
Ri
Vi
fL
fH
AS
VTH(pin.2)
Tsd
Parameter
Supply Range
Total Quiescent Current
Output Offset Voltage
Output Power
Distortion
Voltage Gain
Supply Voltage Rejection
Total Input Noise
Efficiency
Stand-by Current
Input Resistance
Input Sensitivity
Low Frequency Roll Off (-3dB)
High Frequency Roll Off (-3dB)
Stand-by Attenuation
Stand-by Threshold
Thermal Shutdown Junction Temp.
Test Condition
RL = 4Ω
.
f = 1KHz d = 10%
.
RL = 2Ω
RL = 4Ω
RL = 8Ω
RL = 4Ω
f = 1KHz
PO = 50mW to 12W
RL = 8Ω
f = 1KHz
PO = 50mW to 6W
f = 1KHz
f =100Hz Rg = 10KΩ
B = Curve A Rg = 10KΩ
B = 22Hz to 22KHz RS = 10KΩ
RL = 4Ω f = 1KHz
PO = 20W
f = 1KHz
f = 1KHz
PO = 2W
PO = 15W
PO = 15W
RL = 4Ω
RL = 4Ω
RL = 4Ω
VO = 2Vrms
(*) B = Curve (**) B = 22Hz to 22KHz
Min.
18
31
40
70
25
70
Typ.
26
20
12
0.1
0.05
32
50
2
3
65
70
30
90
150
Max.
18
80
100
0.5
33
10
100
1
Unit
V
mA
mV
W
%
%
dB
dB
µV
mV
%
µA
KΩ
mV
Hz
KHz
dB
V
°C
Figure 2: P.C. Board and Component Layout of the Circuit of Fig. 1 (1:1 scale).
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