TDA7571 Datasheet, PDF (7/21 Pages) STMicroelectronics – STPDACsw - Fully digital high efficiency power audio amplifier

TDA7571
3
Electrical specifications
Electrical specifications
3.1
Absolute maximum ratings
Table 3. Absolute maximum ratings
Symbol
Parameter
±V_s Operating supply voltage
T_j
Junction temperature, operating range
T_stg Storage temperature, operating range
Value
Unit
±30
V
-40 to 150
°C
-55 to 150
°C
3.2
Thermal data
Table 4. Thermal data
Symbol
Parameter
R_{th j-case} Thermal resistance junction to case
Value
3
Unit
°C/W
3.3
Electrical characteristics
Table 5.
Electrical characteristics
(V_S = ±25V, R_L = 4Ω, f = 1kHz, T_j = 25°C, F_S = 44.1kHz, Single-Ended, application circuit shown
in Figure 3, 2 x 65W/1 x 130W system, unless otherwise specified.)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
±V_S Operating supply voltage
I_q Quiescent supply current
I_st-by Quiescent supply current
V_os Output offset voltage
V_os Output offset voltage
P_o Output power
P_o Output power
P_d
Power dissipation of the
TDA7571
±12
±30
V
V_st-by = 5V
from +V_S
V_st-by = 5V
from +V_S-low
V_st-by = 5V
from -V_S
V_st-by = 0
from +V_S
V_st-by = 0
from +V_S-low
V_st-by = 0
from -V_S
Output-GND (single-ended)
25
mA
20
mA
25
mA
0.3
mA
0.2
mA
0.3
mA
250 mV
Output L - Output R (bridge)
250 mV
Single-ended, @ THD = 1%
2 x 70W system
70
W
Bridge, @ THD = 1%
1 x 250W system
250
W
@ P_out = 25 W, bridge
configuration
1.75
W
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