Datasheet

LTC1864/LTC1865
18
18645fb
APPLICATIONS INFORMATION
Figure 6. LTC1864 Manchester Transmitter
U12B
74AC109
U11
LT1121CST-5
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
2
3
4
1
5
6
7
8
10
9
8
5V
DIG
5V
DIG
5V
DIG
5V
DIG
5V
DIG
5V
AN
5V
DIG
5V
DIG
C16
0.1μF
C23
0.1μF
C24
0.1μF
C18
0.1μF
C17
0.1μF
5V
DIG
C26
10μF
6.3V
1206
U12A
74AC109
U10
LTC1799
RESET
CLK
P0
P1
P2
P3
ENP
GND
V
CC
RCO
Q0
Q1
Q2
Q3
ENT
LO
U6
74HC163AD
J
K
CLK
CLR
PRE
Q
Q
GND
V
CC
1
2
3
5
4
V
+
GND
SET
DIV
14
13
12
15
11
J
K
CLK
CLR
PRE
Q
Q
GND
V
CC
16
16
U9B
74AC00
U9A
74AC00
U13B
74AC32
RESET
CLK
P0
P1
P2
P3
ENP
GND
V
CC
RCO
Q0
Q1
Q2
Q3
ENT
LO
U7
74HC163AD
100k
RN1
330
C4
0.1μF
C3
10μF
6.3V
1206
V
IN
V
OUT
GND
R4
2Ω
V
REF
IN
+
IN
–
GND
V
CC
SCK
SDO
CONV
OUT
15V
15V
5V
AN
U13C
74AC32
ANALOG GROUND PLANE
CLK
U3
LTC1864CMS8
1
2
3
4
8
7
6
5
1
2
3
4
PRE
D
CLK
CLR
8
7
6
5
1
2
3
4
8
7
6
5
1
2
3
18645 AI2
RO
RE
DE
DI
V
CC
B
A
GND
1V to 5V REFERENCE
0V to V
REF
INPUT
Q
v
v v
Q
PRE
D
CLK
CLR
Q
v
Q
5V
DIG
5V
DIG
5V
DIG
5V
DIG
5V
1
5
2
3
4
500Ω
MC74VHC1G66
120Ω
4 CONDUCTOR
TELEPHONE WIRES
TO RECEIVER
LTC1485
74AC74
74AC74
74AC86