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INA138 데이터 시트보기 (PDF) - Micrel
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INA138
TXRX_982_R1 Evaluation Board
Micrel
INA138 Datasheet PDF : 10 Pages
1
2
3
4
5
6
7
8
9
10
Micrel
TXRX_982_R1 Evaluation Board
JP4
HEADER 4
1
2
3
4
V
CC
_T
+5V
C28
C27
1
µ
F
0.1
µ
F
V
CC
_T
V
CC
_T
R28
10K
R11
0
Ω
R22 R18 R33 R34 R21
10K 10K 10K 10K 10K
U1
MIC74
16
VDD A0
1
15
DATA A1
2
14
CLK A2
3
13
/ALERT P0
4
12
P7
P1
5
11
P6
P2
6
10
P5
P3
7
9
P4 GND
8
V
CC
_T
R19
10K
V
CC
_T
VRX
from sheet 2
Q3
R49
10K
R25
10K
V
CC
_T
V
CC
_T
V
CC
_T
C26
0.1
µ
F
U2
MIC3000-1
12 11 10 9 8 7
13 CLK
14 VIN
15 RSIN
16 GNDD
17 NC
18 VDDD
VILD+
6
VILD-
5
VDDA
4
GNDA
3
VMPD
2
FB
1
19 20 21 22 23 24
C13
0.1
µ
F
V
CC
_T
Q4
C12
0.1
µ
F
R16
R53
TBD
0
Ω
C35
0.1
µ
F
R32
0
Ω
R12
1.5K
R52
1.5K
C10
0.1
µ
F
V
CC
_T
V
CC
_T
R26
C37
0.1
µ
F
L1
R31
L6
C9
J8
1
2
3
4
Q2
R8
R24
J1
1
14
2
15
R20
3
270
16
4
17
5
18
6
V
CC
_T
19
7
20
8
R7
R29
21
270
10K
9
22
10
23
11
24
J2
12
25
J3
13
R17
47K
C33
0.1
µ
F
50 Ohm TL
C38
0.1
µ
F
50 Ohm TL
C19
0.018
µ
F
R4
TBD
R27
TBD
R36
0
Ω
R39
0
Ω
C41
V
CC
_T
0.1
µ
F
U4
SY88982
V
CC
_T
1
GND
2
DIN
3
/DIN
4
GND
OUT
12
OUT
11
/OUT
10
/OUT
9
R15
C32
0.1
µ
F
V
CC
_T
R13
TBD
V
CC
_T
R6
TBD
L7
L2
R14
C24
C36
25 Ohm TL
L3
L8
C42
0.1
µ
F
R45
3.3
Ω
Figure 2. Transmitter
+3.3
TP7
R5
0
Ω
Q5
MIC94052
L5
C31
10
µ
F
L4
V
CC
_T
TP5
C2
V
CC
_R
TP6
C23
0.1
µ
F
V
CC
_R
TP9
C7
0.1
µ
F
+5V
TP8
C34
1
µ
F
C29
C1
10
µ
F
R42
160K
C16
0.1
µ
F
V
CC
_R
V
CC
_R
R1
TBD
J4
50 Ohm TL
C14
0.1
µ
F
J5
50 Ohm TL
C15
0.1
µ
F
U3
SY88973
13 14 15 16
12
DOUT
11
GND
10
GND
9
/DOUT
DIN
1
GND
2
GND
3
/DIN
4
87 6 5
V
CC
_R
Q1
C22
0.1
µ
F
V
CC
_R
C21
0.1
µ
F
R2
TBD
C30
C3
10
µ
F
C17
0.1
µ
F
V
CC
_R
C6
0.1
µ
F
J6
1
2
3
4
V
CC
_R
C20
0.1
µ
F
5
U5
INA138
5
V+ OUT
1
GND
2
4
VIN- VIN+
3
R48
1.5K
R47
10K C8
0.1
µ
F
VRX
to sheet 1
C18
0.1
µ
F
50 Ohm TL
C25
0.1
µ
F
V
CC
_R
50 Ohm TL
C5
0.1
µ
F
from Sheet 1
SHDN
TXFAULT
TXDISABLE
RXLOS
RSIN
RSOUT
V
CC
_T V
CC
_T V
CC
_T V
CC
_T V
CC
_T V
CC
_T
V
CC
_T
C4
0.1
µ
F
U6
74LCX04
7
GND
1
A0
3
A1
5
A2
9
A5
11
A4
13
A3
VCC
14
/O0
2
/O1
4
/O2
6
/O5
8
/O4
10
/O3
12
R50 R51 R37 R38 R9
R10
270 270 270 270 270 270
D3
D4
D5
D6
D7
D8
V
CC
_R
R3
TBD
R30
270
R23
10K
D9
Q6
NPN
September 2004
Figure 3. Receiver
6
M9999-092304
hbwhelp@micrel.com
or (408) 955-1690
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