TDA7490LSA Ver la hoja de datos (PDF) - STMicroelectronics
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TDA7490LSA Datasheet PDF : 13 Pages
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TDA7490LSA
2 Electrical characteristcs
2 Electrical characteristcs
Table 3.
electrical characteristcs (Refer to the test circuit, VCC = ±14.5V; RL = 6Ω;
Demod. filter L = 33 µH, C = 220nF; f = 1KHz; R1 = 27kΩ; Tamb = 25°C unless otherwise
specified.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
VS Supply Range
Iq Total Quiescent Current
VOS Output Offset Voltage
Po Output Power
PD Maximum Dissipated Power
h
Efficiency (1)
THD
Imax
Total Harmonic Distortion
Overcurrent Protection
Threshold
±7
±15
V
RL = ∞; no LC filter
60
mA
-150
+150 mV
THD = 10%
THD = 1%
15
W
12
W
VCC = ±10V; RL = 4Ω
THD = 10%
THD = 1%
10
W
8
W
VCC = ±13.5V; RL = 8Ω
THD = 10%
THD = 1%
10
W
8.2
W
Po = 10+10W; ; RL = 8Ω; THD =
10%; VCC = ±13.5V
3.5
W
Po = 10+10W; RL = 8Ω;
VCC = ±13.5V
86
%
RL = 8Ω; Po = 0.5W
0.1
%
RL = 0
2.5
A
Tj
Thermal Shut-down Junction
Temperature
GV Closed Loop Gain
∆GV Gain Matching
eN Total Input Noise
A Curve
f = 20Hz to 22KHz
CT Cross Talk
Ri Input Resistance
SVR Supply Voltage Rejection
Vrmax
Overvoltage Protection
Threshold
Tr, Tf Rising and Falling Time
RDSON Power Transistor on Resistance
f = 1KHz
f = 100Hz; Vr = 0.5
150
°C
30
dB
-1
1
dB
7
µV
12
µV
t.b.d.
dB
30
kΩ
60
dB
30
V
50
ns
0.3
W
5/13
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