TDA7491MV Datasheet, PDF (9/28 Pages) STMicroelectronics – 25 W mono BTL class-D audio amplifier

TDA7491MV
Electrical specifications
Table 5.
Symbol
Electrical specifications (continued)
Parameter
Condition
Min Typ Max Unit
V_UVP
R_dsON
P_o
P_o
P_o
P_D
η
THD
G_V
∆G_V
eN
SVRR
T_r, T_f
f_SW
f_SWR
V_inH
V_inL
A_MUTE
Undervoltage protection
threshold
Power transistor on resistance
Output power
Output power
Output power
Dissipated power
Efficiency
Total harmonic distortion
Closed loop gain
Gain matching
Total input noise
Supply voltage rejection ratio
Rise and fall times
Switching frequency
Output switching frequency
Digital input high (H)
Digital input low (L)
Mute attenuation
-
-
-
4
V
High side
Low side
-
0.2 -
Ω
-
0.2 -
THD = 10%
THD = 1%
-
20 -
W
-
16 -
R_L = 8 Ω, THD = 10%
V_CC = 12 V
-
9.5 -
W
R_L = 8 Ω, THD = 1%
V_CC = 12 V
-
7.2 -
R_L = 6 Ω, THD = 10%
V_CC = 16 V
-
20 -
W
R_L = 6 Ω, THD = 1%
V_CC = 16 V
-
16 -
P_o = 20 W THD = 10% -
2.0 -
W
P_o = 20 W
80 90 -
%
P_o = 1 W
-
0.1 0.2 %
GAIN0 = L, GAIN1 = L 18 20 22
GAIN0 = L, GAIN1 = H 24 26 28
dB
GAIN0 = H, GAIN1 = L 28 30 32
GAIN0 = H, GAIN1 = H 30 32 34
-
-1 -
1
dB
A Curve, G_V = 20 dB
-
20 -
µV
f = 22 Hz to 22 kHz
-
25 35
fr = 100 Hz, Vr = 0.5 V,
C_SVR = 10 µF
40
50
-
dB
-
-
50 -
ns
Internal oscillator
290 310 330 kHz
With internal oscillator ⁽¹⁾ 250 -
-
kHz
With external oscillator ⁽²⁾ 250 -
-
2.3 -
-
-
V
-
-
0.8
V_MUTE = 1 V
60 80 -
dB
Doc ID 14576 Rev 2
9/28