PEB 4364 T V1.2 Infineon Technologies, PEB 4364 T V1.2 Datasheet - Page 110
PEB 4364 T V1.2
Manufacturer Part Number
PEB 4364 T V1.2
Description
IC SLIC VOICE ACCESS PDSO-36
Manufacturer
Infineon Technologies
Series
DuSLICr
Datasheet
1.PEB_3264_F_V1.4.pdf
(374 pages)
Specifications of PEB 4364 T V1.2
Function
Dual Channel Subscriber Line Interface Circuit (DuSLIC)
Interface
IOM-2, PCM
Number Of Circuits
2
Voltage - Supply
3.3 V ~ 5 V
Current - Supply
105mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
36-PDSO
Includes
DTMF Generator and Decoder, Line Echo Cancellation (LEC), Teletax (TTX) Generation, Universal Tone Detection (UTD)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power (watts)
-
Other names
PEB4364TV1.2XT
SP000007728
SP000007728
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OFFSET
I
3.8.2.8
The current offset error caused by the current sensor inside the SLIC can be
compensated by programming the compensation registers OFR1 and OFR2
accordingly. The current offset error can be measured with the DC level meter. The
following settings are necessary to accomplish this:
•
•
•
•
The current offset error can be eliminated by programming the offset registers OFR1 and
OFR2 according to the inverse value of the measured current offset error.
Example:
K
Short form:
OFR1 = OFFSET-H = 0xFF
OFR2 = OFFSET-L = 0xFA
Preliminary Data Sheet
LM
OFFSET
off Err
INTDC
–
The DuSLIC must be set into the HIRT mode by setting the bits HIR and HIT in
register BCR1 to 1.
In HIRT mode, the line-drivers of the SLIC are shut down and no resistors are
switched to the line. As a matter of fact, no current is present in that mode, but the
current sensor wrongly indicates a current flowing (current offset error).
The DC path for I
LM-SEL[3:0] bits in register LMCR2 to 0101 (see
The offset registers OFR1 and OFR2 must be set to 0000h.
I
example below).
Result
Off-Err
= 1, N
=
can be calculated like shown for “I
=
=
LM Result
=
Current Offset Error Compensation
–
LM
--------------------- -
Samples
–
------------------------ -
79.66 mA
32768
------------------------------------------------------------ -
N Samples
I
Off Err
Value
–
= 256, LM
LM Value
=
TRANS
------------------------------------------------------------ -
N Samples
--------------- -
32768
1541
32768
K INTDC
Value
current level meter must be selected by setting the
79.66 mA
=
=
= 0x0605 = 1541
0.047
–
0.0146 mA
---------------------------- -
K INTDC
79.66 mA
110
TRANS
=
: any other mode” in
0.047
32768
Table
79.66 mA
------------------------ -
19).
256
–
Operational Description
6
=
1
0xFFFA
Table 22
=
DS3, 2003-07-11
0.0146 mA
DuSLIC
(see the
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