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TDA7570 数据表(PDF) 5 Page - STMicroelectronics

部件名 TDA7570
功能描述  250W PWM high efficiency power audio amplifier
PDF  17 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7570 数据表(HTML) 5 Page - STMicroelectronics

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TDA7570
Pin description
5/17
12
+Vs
Positive power supply
30V
13
Spl1
Sensing 1 PMOS, left channel
30V
14
Spl2
Sensing 2 PMOS, left channel
30V
15
-Vs+5
-Vs+6
16
N.C.
Not connected
17
Gpls
Sense gate PMOS, left channel
+Vs-12V
30V
18
Gpl
Gate PMOS, left channel
+Vs-12V
30V
19
N.C.
Not connected
20
N.C.
Not connected
21
Gnl
Gate NMOS, left channel
-30V
-Vs+12V
22
Gnls
Gate NMOS, left channel
-30V
-Vs+12V
23
Snl2
Sensing 2 NMOS, left channel
-30V
24
Snl1
Sensing 1 NMOS, left Channel
-30V
25
-Vs+Vrefl
Supply drivers NMOS. left channel
-30V
-Vs+12V
26
-Vs
Negative power supply
-30V
27
-Vs
Negative power supply
-30V
28
Feed L in
Feedback network left channel
-5V
5V
29
CDsel1
Clip detector selection 1
5.5V
30
CD sel2
Clip detector selection 2
5.5V
31
CD
Clip detector output
5.5V
32
dgnd
Digital ground
0 (ref)
33
I-O-FCLK
Clock frequency input/output pin
5.5V
34
O0-I5
Input/output FCLK selection
0 = Output; 1 = Input
5.5V
35
N.C.
Not connected
36
THWint
Internal thermal warning output
5.5V
37
THWext
External thermal warning output
5.5V
38
NTC
Sensing resistors network
5.5V
39
N.C.
Not connected
40
5Vdig
Digital 5V supply output
5.5V
41
42
+Vs-low
Positive voltage supply low power
30V
43
N.C.
Not connected
44
N.C.
Not connected
Table 2.
Pins description (continued)
Pin
number
Name
Function
Voltage limit
(low)
Voltage limit
(high)



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