TDA7491MV Datasheet, PDF (8/28 Pages) STMicroelectronics – 25 W mono BTL class-D audio amplifier

Electrical specifications
3
Electrical specifications
TDA7491MV
3.1
Absolute maximum ratings
Table 3. Absolute maximum ratings
Symbol
Parameter
V_CC
DC supply voltage for pins PVCCA, PVCCB, SVCC
T_op
Operating temperature
T_j
Junction temperature
T_stg
Storage temperature
Value
Unit
24
V
0 to 70
°C
-40 to 150
°C
-40 to 150
°C
3.2
Thermal data
Table 4. Thermal data
Symbol
Parameter
Min Typ Max Unit
R_{th j-case} Thermal resistance, junction to case
-
2
3
R_{th j-amb}
Thermal resistance, junction to ambient
(mounted on recommended PCB)⁽¹⁾
-
24 -
1. FR4 with vias to copper area of 9 cm² (see also Section 7.9: Heatsink requirements on page 26).
°C/W
3.3
Electrical specifications
Unless otherwise stated, the results in Table 5 below are given for the conditions:
V_CC = 18 V, R_L (load) = 8 Ω, R_OSC = R3 = 39 kΩ, C8 = 100 nF, f = 1 kHz, G_V = 20 dB, and
Tamb = 25 °C.
Table 5.
Symbol
Electrical specifications
Parameter
Condition
V_CC
I_q
I_qSTBY
V_OS
V_OS
I_OCP
T_j
R_i
V_OVP
Supply voltage for
pins PVCC, SVCC
-
Total quiescent
Without LC filter
Quiescent current in standby -
Output offset voltage
Play mode
Output offset voltage
Mute mode
Overcurrent protection threshold R_L = 0 Ω
Junction temperature at thermal
shut-down
-
Input resistance
Differential input
Overvoltage protection threshold -
Min Typ Max Unit
5
-
18 V
-
26
-
2.5
-150 -
-60 -
3
5
35 mA
5.0 µA
150 mV
60 mV
-
A
-
150 -
°C
55 60 -
kΩ
19 21 -
V
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Doc ID 14576 Rev 2