TDA7491MV 查看數據表（PDF） - STMicroelectronics
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TDA7491MV Datasheet PDF : 28 Pages
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Electrical specifications
3
Electrical specifications
TDA7491MV
3.1
Absolute maximum ratings
Table 3. Absolute maximum ratings
Symbol
Parameter
Value
Unit
VCC DC supply voltage for pins PVCCA, PVCCB, SVCC
Top Operating temperature
Tj Junction temperature
Tstg Storage temperature
24
V
-40 to 85
°C
-40 to 150
°C
-40 to 150
°C
3.2
Thermal data
Table 4. Thermal data
Symbol
Parameter
Min. Typ. Max. Unit
Rth j-case Thermal resistance, junction to case
-
2
3
Thermal resistance, junction to ambient
Rth j-amb (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:
VCC = 18 V, RL (load) = 8 , ROSC = R3 = 39 k, C8 = 100 nF, f = 1 kHz, GV = 20 dB, and
Tamb = 25 °C.
Symbol
Table 5. Electrical specifications
Parameter
Condition
Min. Typ. Max. Unit
Supply voltage for
VCC pins PVCC, SVCC
-
Iq
IqSTBY
VOS
VOS
IOCP
Tj
Total quiescent
Without LC filter
Quiescent current in standby -
Output offset voltage
Play mode
Output offset voltage
Mute mode
Overcurrent protection threshold RL = 0
Junction temperature at thermal
shutdown
-
Ri
VOVP
Input resistance
Differential input
Overvoltage protection threshold -
5
- 18 V
- 26 35 mA
- 2.5 5.0 µA
-150 - 150 mV
-60 - 60 mV
3
5
-
A
- 150 - °C
55 60 - k
19 21
-
V
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