1
1
2
2
3
3
4
4
D D
C C
B B
A A
Title
Number RevisionSize
A4
Date: 2018/7/8 Sheet of
File: H: 8 2018 electronic design\..\比较器.SchDocDrawn By:
GND
0R
R1
C1
107
104
C3
103
C2
1K
R2
LD1
GND
GND
+5V
Hole1
Hole
Hole2
Hole
Hole3
Hole
Hole4
Hole
5V
1
GND
2
P1
GND
In+
In-
-VCC Balance
Bal/Stro
Out
+VCC
U2
LM311/TLV3501
SB4
Close
GND
SB6
Close
SB8
Open
SB10
Close
SB12
Open
Vin
1
GND
2
P2
Signal-In GND
GND
100R
R5
100R
R3
SB9
Close
1K
R4
+5V
GND
1
OUT
2
IN
3
OUT
4
U1
AMS1117-3.3
GND
3.3V
3.3V
SB7
Open
+5V
SB5
Open
SB3
Close
+5V
GND
SB11
Open
Vout
1
GND
2
P3
Signal-Out
GND
SB1
Open
SB2
Close
4.7K
R7
10K
R8
1K
R6
+5V
GND
103
C6
104
C5
104
C4
GND
GND
GND
In+
In-
-VCC Balance
Bal/Stro
Out
+VCC
U3
LM311/TLV3501
SB16
Close
GND
SB18
Close
SB20
Open
SB22
Close
SB24
Open
Vin
1
GND
2
P4
Signal-In GND
GND
100R
R11
100R
R10
SB21
Close
1K
R9
+5V
3.3V
SB19
Open
+5V
SB17
Open
SB15
Close
+5V
GND
SB23
Open
Vout
1
GND
2
P5
Signal-Out
GND
SB13
Open
SB14
Close
4.7K
R13
10K
R14
1K
R12
+5V
GND
103
C9
GND
104
C8
104
C7
GND
GND
比较器1
比较器2
正5V、3.3V电源
双通道电压比较器
