Datasheet

7
LTC2847
sn2847 2847fs
BLOCK DIAGRA
W
C1
–
C1
+
V
DD
V
CC
C1
–
C1
+
V
DD
C2
+
C2
–
V
EE
GND
C2
+
C2
–
V
EE
GND
CHARGE PUMP
D1
D1 A
50Ω
125Ω
50Ω
S1
S2
D1 B
D1
D2
D2 A
50Ω
125Ω
50Ω
S1
S2
D2 B
S3
S2
20k
20k
20k
20k
125Ω
S2
S3
125Ω
10k 6k
S1
51.5Ω
D3/R1 A
D3/R1 B
51.5Ω
10k
10k
10k
51.5Ω
R2 A
R2 B
51.5Ω
D2
D3
DCE/DTE
R1
D3
R1
R2
R2
6k
20k
20k
MODE
SELECTION
LOGIC
S2
S3
125Ω
10k
10k
51.5Ω
R3 A
R3 B
2847 BD
51.5Ω
R3
R3
6k
3537
38
2
4
5
6
7
15
8
9
10
V
IN
13
M0
11
M1
12
M2
14
34
363332
3130
29
28
27
26
25
24
21
20
17
16
V
CC