PBL38640/2SOT Infineon Technologies, PBL38640/2SOT Datasheet - Page 35

• Manufacturer Part Number: PBL38640/2SOT
• Description: IC LINE INTERFACE SLIC PDSO-24
• Manufacturer: Infineon Technologies
• Series: FlexiSLIC™r

Specifications of PBL38640/2SOT

• Function: Subscriber Line Interface Concept (SLIC)
• Number Of Circuits: 1
• Voltage - Supply: 5V
• Current - Supply: 2.8mA
• Power (watts): 730mW
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: DSO-24
• Includes: Current Feeding, Ground Key Detector, Ring Relay Driver
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Interface: -
• Other names: PBL38640/2SOTT; SP000007903

5.4
From
For applications where
the expression for G
5.5
From
5.6
The hybrid function can easily be implemented utilizing the uncommitted amplifier in
conventional non software programmable codec/filters. Please, refer to
impedance
combination codec/filter amplifier. As can be seen from the expression for the four-wire
to four-wire gain, G
converted by
be cancelled by letting:
Data Sheet
G
G
G
---------------------------------- -
V
-------- -
R
RSN
TX
TX
4 2
4 2
4 4
–
–
–
+
Z
Equation [1]
Equation [1]
=
=
=
V
--------- -
T
Z
G
RX
–
B
--------- -
V
--------- -
V
V
V
2 4S
RX
RX
TR
TX
–
---------
Z
Four-Wire to Two-Wire Gain
Four-Wire to Four-Wire Gain
Hybrid Function
Z
Z
=
RX
T
B
R
=
=
0
+
TX
a current proportional to
2
–
–
-------------------------
2 G
R
to a current flowing into the same summing node. These currents can
-------- -
Z
-------- -
Z
Z
F
Z
to
to
4-4
RX
RX
E
4-2
T
T
=
1
, a voltage proportional to
L
Equation [3]
Equation [3]
2 4S
Z
simplifies to:
=
–
L
--------------- -
G
---------------------------------------------------------------- -
---------------------------------- -
0
RSN
2 4S
1
–
Z
T
G
Z
---------------------------------------------------------------- -
---------------------------------- -
2 4S
L
RSN
–
+
with
with
2
Z
R
+
T
E
E
G
F
Z
V
L
L
L
2 4S
RX
35
= 0:
= 0:
–
+
Z
is injected into the summing node of the
2
L
R
+
F
V
Z
RX
L
+
is returned to
2
R
F
V
Rev. 2.0, 2005-04-14
TX
. This voltage is
PBL 38640/2
Transmission
Figure
FlexiSLIC
11. Via
[10]
[11]
[7]
[8]
[9]