TDA7571 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7571 Datasheet PDF : 21 Pages
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TDA7571
3
Electrical specifications
Electrical specifications
3.1
Absolute maximum ratings
Table 3. Absolute maximum ratings
Symbol
Parameter
±Vs Operating supply voltage
Tj
Junction temperature, operating range
Tstg 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
Rth j-case Thermal resistance junction to case
Value
3
Unit
°C/W
3.3
Electrical characteristics
Table 5.
Electrical characteristics
(VS = ±25V, RL = 4Ω, f = 1kHz, Tj = 25°C, FS = 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
±VS Operating supply voltage
Iq Quiescent supply current
Ist-by Quiescent supply current
Vos Output offset voltage
Vos Output offset voltage
Po Output power
Po Output power
Pd
Power dissipation of the
TDA7571
±12
±30
V
Vst-by = 5V
from +VS
Vst-by = 5V
from +VS-low
Vst-by = 5V
from -VS
Vst-by = 0
from +VS
Vst-by = 0
from +VS-low
Vst-by = 0
from -VS
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
@ Pout = 25 W, bridge
configuration
1.75
W
7/21
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