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STPA008 数据表(PDF) 11 Page - STMicroelectronics

部件名 STPA008
功能描述  4 x 50 W MOSFET quad bridge power amplifier
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STPA008 数据表(HTML) 11 Page - STMicroelectronics

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STPA008
Electrical specifications
28
3.3
Electrical characteristics
Refer to the test and application diagram, V
S = 14.4 V; RL = 4 Ω; R
g = 600 Ω; f = 1 kHz;
T
amb = 25 °C; unless otherwise specified.
Table 5. Electrical characteristics
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
General characteristics
VS
Supply voltage range
-
6
-
18
V
Iq1
Quiescent current
RL = ∞
100
190
280
mA
VOS
Output offset voltage
Play mode
-90
-
+90
mV
Mute mode
-70
-
+70
mV
dVOS
During standby ON/OFF output
transient voltage
ITU R-ARM weighted
(see Figure 19)
-7.5
-
+7.5
mV
During mute ON/OFF output
transient voltage
-7.5
-
+7.5
mV
Ri
Input impedance
-
45
55
65
kΩ
ISB
Standby current consumption
VSt-by = 1 V
-
-
2
μA
VSt-by = 0
-
-
1
μA
Audio performances
Po
Output power
THD = 10 %
THD = 1 %
26
20
29
23
-
-
W
W
THD = 10 %, 2 Ω
THD = 1 %, 2 Ω
45
37
50
40
-
-
W
W
Po max.
Max. output power
Square wave input (2 Vrms)
RL = 4 Ω
RL = 2 Ω
VS = 15.2 V; RL = 4 Ω
42
71
47
45
77
50
-
-
-
W
W
W
THD
Distortion
Po = 4 W, 30kHz LPF
-
0.01
0.02
%
Gv
Voltage gain
-
25
26
27
dB
dGv
Channel gain unbalance
-
-0.5
-
+0.5
dB
eNo
Output Noise
"A" Weighted
Bw = 20 Hz to 20 kHz
-
-
40
50
-
70
μV
μV
SVR
Supply voltage rejection
f = 100 kHz; Vr = 1 Vrms, play
mode
60
70
-
dB
fch
High cut-off frequency
PO = 0.5 W
100
300
-
kHz
CT
Cross talk
f = 1 kHz PO = 4 W
f = 10 kHz PO = 4 W
65
50
75
60
-
-
dB
dB
AM
Mute attenuation
POref = 4 W
90
100
-
dB



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