PBL38620/2SOA Infineon Technologies, PBL38620/2SOA Datasheet - Page 36
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PBL38620/2SOA
Manufacturer Part Number
PBL38620/2SOA
Description
IC LINE INTERFACE SLIC PDSO24-8
Manufacturer
Infineon Technologies
Series
FlexiSLIC™r
Datasheet
1.PBL386202QNA.pdf
(46 pages)
Specifications of PBL38620/2SOA
Function
Subscriber Line Interface Concept (SLIC)
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
2.8mA
Power (watts)
290mW
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
Lead free / RoHS Compliant
Interface
-
Other names
PBL38620/2SOAXT
SP000017252
SP000017252
without using any capacitors. This is done by connecting a resistor
terminal and ground. With current directions defined as in
gives:
where
From this equation the resistor
For the value on
If RSN is DC decoupled from the CODEC output, then
infinite.
The resistor
Table 11
Symbol
I
Figure 11
Data Sheet
–
R
RSN
R
I
RSN
=
------------------------------------------------------------------------------ -
–
V
CODEC
I
=
RSN
I
RT
R
–
R
Internal Bias Current of RSN
Codec Receive Interface
is the reference voltage of the CODEC at the receive output.
+
1.25
--------- -
has no influence in the AC transmission.
R
I
I
RSN
T
RRX
1.25
DC-GND
–
+1.25
I
, see
1.25
-------------------------------------- -
+
I
VTX
RSN
RR
–
Table
R
V
RX
=
CODEC
Value (typ)
-55
R
1.25
--------- -
R
R
I
11.
RS N
T
can be calculated as
+
1.25
-------------------------------------- -
I
I
RT
RR
R
R
T
R
I
RX
36
–
R
V
RX
CODEC
R
RX
+
1.25
--------- -
R
Figure
R
R
Unit
RX
CODEC
A
+
_
can be considered to be
11, current summation
R
R
U
Rev. 2.0, 2005-04-13
RE Fc odec
between the RSN
PBL 38620/2
Battery Feed
FlexiSLIC
codecIF
[14]
[15]