參數(shù)資料
型號: TDA7571
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 250 W, 2 CHANNEL, AUDIO AMPLIFIER, PQFP64
封裝: ROHS COMPLIANT, HIQUAD-64
文件頁數(shù): 19/21頁
文件大?。?/td> 441K
代理商: TDA7571
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TDA7571
Electrical specifications
7/21
3
Electrical specifications
3.1
Absolute maximum ratings
3.2
Thermal data
3.3
Electrical characteristics
Table 3.
Absolute maximum ratings
Symbol
Parameter
Value
Unit
±Vs
Operating supply voltage
±30
V
Tj
Junction temperature, operating range
-40 to 150
°C
Tstg
Storage temperature, operating range
-55 to 150
°C
Table 4.
Thermal data
Symbol
Parameter
Value
Unit
Rth j-case Thermal resistance junction to case
3
°C/W
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
±12
±30
V
Iq
Quiescent supply current
Vst-by = 5V
from +VS
25
mA
Vst-by = 5V
from +VS-low
20
mA
Vst-by = 5V
from -VS
25
mA
Ist-by
Quiescent supply current
Vst-by = 0
from +VS
0.3
mA
Vst-by = 0
from +VS-low
0.2
mA
Vst-by = 0
from -VS
0.3
mA
Vos
Output offset voltage
Output-GND (single-ended)
250
mV
Vos
Output offset voltage
Output L - Output R (bridge)
250
mV
Po
Output power
Single-ended, @ THD = 1%
2 x 70W system
70
W
Po
Output power
Bridge, @ THD = 1%
1 x 250W system
250
W
Pd
Power dissipation of the
TDA7571
@ Pout = 25 W, bridge
configuration
1.75
W
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