PBL38650/2QNT Infineon Technologies, PBL38650/2QNT Datasheet - Page 25

• Manufacturer Part Number: PBL38650/2QNT
• Description: IC LINE INTERFACE SLIC PLCC-28
• Manufacturer: Infineon Technologies
• Series: FlexiSLIC™r

Specifications of PBL38650/2QNT

• 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: PBL38650/2QNTT; SP000007905

3) Higher return loss values can be achieved by adding a reactive component to
4) The overhead level can be adjusted with the resistor R
5) Pin PTG = Open sets transmit gain to nom. -6.02 dB.
6) The specified insertion loss tolerance does not include errors caused by external components.
7) The level is specified at the two-wire port.
8) The two-wire idle noise is specified with the port terminated in 600
9) If |
10)Previous state must be active - loop or ground key detector.
Figure 3
1/
Figure 4
1/
Data Sheet
impedance programming resistance, for example by dividing
capacitor from the common point to ground.
specified at the four-wire transmit port, (VTX) with the signal source at the two-wire port. Note that the gain
from the two-wire port to the four-wire transmit port is G
Pin PTG = AGND sets transmit gain to nom. -12.04 dB
Secondary protection resistor R
specified insertion loss is valid for R
grounded (
in 600
The four-wire receive port is grounded (
C
C
R
V
<<
<< 150 ,
L
Bat
E
+ 2 V |
R
(
LO
R
L
E
L
,
). The noise specification is referenced to a 600
RX
R
C
= 0; see
V
L
Overhead Level,
Longit. to Metallic,
TRO
|
= 600 ,
V
R
BExt
C
LT
R
R
=
|, where
Figure
LT
LR
R
I
LDC
LR
R
=
T
7). The four-wire idle noise at
V
V
F
= 60 k ,
Bat
R
TR
(see
L
F
is the voltage at VBAT, the current
TIPX
/2 = 300 ,
= 0.
RINGX
TIPX
RINGX
V
Figure
E
PBL 38650
TRO
PBL 38650
RX
B
= 0).
LME
, Two-Wire Port
R
9) impacts the insertion loss as explained in
RX
VTX
and Longit. to Four-Wire,
RSN
VTX
RSN
= 60 k
25
R
T
OV
2-4S
= 60 k ,
for higher levels, for example min 1.6 V
= 0.5 (or 0.25, see pin PTG).
V
R
TX
R
programmed two-wire impedance level at
T
T
R
R
is specified with the two-wire port terminated
R
T
RX
RX
into two equal halves and connecting a
R
(
R
RX
I
L
Leak
), and with the four-wire receive port
= 60 k
Electrical Characteristics
V
is limited to ~ 5 mA,
TX
E
RX
R
T
, the two-wire terminating
B
Rev. 2.0, 2005-04-14
LFE
PBL 38650/2
Balance
Chapter
FlexiSLIC
Fig3_50
Peak
Fig4_50
, and is
5. The
V
TX
.