TDA7490LSA Datasheet, PDF (5/13 Pages) STMicroelectronics – 15W +15W Stereo Class-D Amplifier

TDA7490LSA
2 Electrical characteristcs
2 Electrical characteristcs
Table 3.
electrical characteristcs (Refer to the test circuit, V_CC = ±14.5V; R_L = 6Ω;
Demod. filter L = 33 µH, C = 220nF; f = 1KHz; R1 = 27kΩ; T_amb = 25°C unless otherwise
specified.)
Symbol
Parameter
Test Condition
Min. Typ. Max. Unit
V_S Supply Range
I_q Total Quiescent Current
V_OS Output Offset Voltage
P_o Output Power
P_D Maximum Dissipated Power
h
Efficiency ⁽¹⁾
THD
I_max
Total Harmonic Distortion
Overcurrent Protection
Threshold
±7
±15
V
R_L = ∞; no LC filter
60
mA
-150
+150 mV
THD = 10%
THD = 1%
15
W
12
W
V_CC = ±10V; R_L = 4Ω
THD = 10%
THD = 1%
10
W
8
W
V_CC = ±13.5V; R_L = 8Ω
THD = 10%
THD = 1%
10
W
8.2
W
P_o = 10+10W; ; R_L = 8Ω; THD =
10%; V_CC = ±13.5V
3.5
W
P_o = 10+10W; R_L = 8Ω;
V_CC = ±13.5V
86
%
R_L = 8Ω; P_o = 0.5W
0.1
%
R_L = 0
2.5
A
T_j
Thermal Shut-down Junction
Temperature
G_V Closed Loop Gain
∆G_V Gain Matching
e_N Total Input Noise
A Curve
f = 20Hz to 22KHz
C_T Cross Talk
R_i Input Resistance
SVR Supply Voltage Rejection
V_rmax
Overvoltage Protection
Threshold
T_r, T_f Rising and Falling Time
R_DSON Power Transistor on Resistance
f = 1KHz
f = 100Hz; V_r = 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
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