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STMUX3040 Datasheet(PDF) 7 Page - STMicroelectronics

No. de pieza STMUX3040
Descripción Electrónicos  Octal SPDT high bandwidth signal switch
PDF  15 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STMUX3040 Datasheet(HTML) 7 Page - STMicroelectronics

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STMUX3040
Internal voltage regulator
7/15
3
Internal voltage regulator
STMUX3040 is integrated with an internal voltage regulator. The voltage regulator is
activated when supply voltage to the Vreg pin is more than 2.7V. If the supply to Vreg is less
than 2.2V, the regulator is bypassed.
Figure 4.
Internal voltage regulator
When internal regulator is activated:
●
V33 is used as supply input
●
Vreg is used as output of the internal regulator, a 22nF capacitor should be connected
from this pin to ground
When internal regulator is not used:
●
VCC, V33 and Vreg are all connected to 1.8V supply
0B1
GND
A0
A1
GND
Vcc
A2
A3
V33
SEL
GND
A4
A5
Vcc
GND
A6
A7
GND
1B1
2B1
3B1
0B2
1B2
2B2
3B2
Vreg
4B1
5B1
6B1
7B1
4B2
5B2
6B2
7B2
1
18
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
38
37
36
35
34
33
32
31
30
29
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27
26
25
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23
22
19
20
21
42
41
40
39
Vcc
GND
Vcc
GND
Vcc
GND
Vcc
GND
2.7V-
3.3V
GND
22nF
0B1
GND
A0
A1
GND
Vcc
A2
A3
V33
SEL
GND
A4
A5
Vcc
GND
A6
A7
GND
1B1
2B1
3B1
0B2
1B2
2B2
3B2
Vreg
4B1
5B1
6B1
7B1
4B2
5B2
6B2
7B2
1
18
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
19
20
21
42
41
40
39
Vcc
GND
Vcc
GND
Vcc
GND
Vcc
GND
2.7V-
3.3V
GND
22nF



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