ISL5585 Intersil Corporation, ISL5585 Datasheet - Page 13

• Manufacturer Part Number: ISL5585
• Description: 3.3 Volt Ringing Slic Family For Voice Over Broadband (VOB)
• Manufacturer: Intersil Corporation

INPUT
2-WIRE SIDE
V
+
-
2W
2-WIRE SIDE
RING
V
+
-
TIP
2W
Z
L
+
-
R
R
I
RING
I
M
P
P
TIP
M
+
13
-
-
+
FIGURE 6. 4-WIRE TO 2-WIRE SIGNAL PHASE ACROSS THE ISL5585
FIGURE 7. 2-WIRE TO 4-WIRE SIGNAL PHASE ACROSS THE ISL5585
V
R
R
I
I
M
M
2
V
P
P
3
+
+
R
R
-
-
SENSE
SENSE
20Ω
I
20Ω
I
M
M
V
2
-
V
+
V
3
4
-
-
R
R
V
+
SENSE
20Ω
SENSE
1
AMPLIFIER
AMPLIFIER
FEED
FEED
I
20Ω
I
M
I
R
M
+
X
I
+
+
R
X
-
V
4R
4R
4R
4R
4
+
-
+
-
-
V
-
1
AMPLIFIER
AMPLIFIER
FEED
FEED
R
I
X
+
INTERSIL
ISL5585
I
+
X
R
4R
4R
4R
4R
ISL5585
I
+
+
-
X
-
3R
-
+
-
3R
RECEIVE BLOCK
INTERSIL
ISL5585
I
V
X
1:1
3R
SA
+
-
3R
RECEIVE BLOCK
= ∆I
SENSE
AMPLIFIER
8k
TA
M
V
1:1
30
SA
I
X
= ∆I
SENSE
AMPLIFIER
R
8k
R
TA
M
30
I
X
AUX
V
V
TX
TX
R
+
-IN
-
VFB
R
R
C
S
FB
AUX
4-WIRE SIDE
V
V
TX
TX
+
-IN
-
VFB
R
C
S
FB
R
4-WIRE SIDE
IN
FROM CODEC
R
V
IN
FROM CODEC
IN
INPUT
V
IN