PBL38640/2QNT Infineon Technologies, PBL38640/2QNT Datasheet - Page 40
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PBL38640/2QNT
Manufacturer Part Number
PBL38640/2QNT
Description
IC LINE INTERFACE SLIC PLCC-28
Manufacturer
Infineon Technologies
Series
FlexiSLIC™r
Datasheet
1.PBL386402QNA.pdf
(51 pages)
Specifications of PBL38640/2QNT
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
28-PLCC
Includes
Current Feeding, Ground Key Detector, Ring Relay Driver
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Interface
-
Other names
PBL38640/2QNTT
SP000007901
SP000007901
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PBL38640/2QNT
Manufacturer:
Infineon Technologies
Quantity:
10 000
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 12
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
-------------------------------------- -
Value (typ)
-55
+
I
VTX
RSN
RR
–
Table
R
V
RX
=
CODEC
R
1.25
--------- -
R
R
11.
I
RSN
T
can be calculated as
+
1.25
-------------------------------------- -
I
I
RT
RR
R
R
T
R
I
RX
40
–
R
V
RX
R
CODEC
RX
+
1.25
--------- -
R
Figure
R
R
RX
CODEC
+
_
can be considered to be
13, current summation
U
Rev. 2.0, 2005-04-14
REFcodec
Unit
A
PBL 38640/2
Battery Feed
FlexiSLIC
codecIF
[15]
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