PBL386402SOAXT Lantiq, PBL386402SOAXT Datasheet - Page 34

• Manufacturer Part Number: PBL386402SOAXT
• Manufacturer: Lantiq

Specifications of PBL386402SOAXT

• Number Of Channels: 1
• On-hook Transmission: Yes
• Polarity Reversal: Yes
• On-chip Ring Relay Driver: Yes
• Operating Temp Range: -40C to 85C
• Loop Current Limit: 45mA
• Operating Temperature Classification: Industrial
• Pin Count: 24
• Mounting: Surface Mount
• Operating Supply Voltage (max): 5.25/-58V
• Lead Free Status / RoHS Status: Compliant

where:
V
V
E
I
R
G
Z
Z
Z
V
1) The SLIC two-wire to four-wire gain, G
5.2
To calculate
fuse resistor
From
Thus with
5.3
From
Data Sheet
Z
Z
G
L
L
RX
T
RSN
TX
TR
L
F
RX
2-4S
TR
T
2 4
–
=
=
Equation [1]
Equation [1]
=
---------------------------------- -
RSN
---------
V
RSN
V
Z
TR
TX
Two-Wire Impedance
Two-Wire to Four-Wire Gain
TR
Z
R
Z
G
, G
=
TR
F
T
Is the ground referenced version of the AC metallic voltage between the
TIPX and RINGX terminals.
Is the AC metallic voltage between TIP and RING.
Is the line open circuit AC metallic voltage.
Is the AC metallic current.
Is a fuse resistor.
Is the programmable SLIC two-wire to four-wire gain (transmit
direction)
Is the line impedance.
Controls four- to two-wire gain.
Determines the SLIC TIPX to RINGX impedance at voice frequencies.
Is the analog ground referenced receive signal.
Is the receive summing node current to metallic loop current gain.
G
, let
2 4S
RSN
, the impedance presented to the two-wire line by the SLIC including the
----------------------------------------------------
---------------------------------- -
2 4S
–
2-4S
–
RSN
and
and
V
= 200
,
RX
+
Z
Z
RSN
Z
T
2
T
G
1)
= 0.
Equation
Equation [2]
TR
R
.
2 4S
F
and
–
–
RSN
2
R
+
R
F
2
2-4S
F
R
known:
[2]:
, is user programmable between two fixed values. See
F
with
V
34
RX
= 0:
Rev. 2.0, 2005-04-14
PBL 38640/2
Transmission
FlexiSLIC
Table
5.
[4]
[5]
[6]