PBL38650-2 Ericsson, PBL38650-2 Datasheet
PBL38650-2
Related parts for PBL38650-2
PBL38650-2 Summary of contents
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Description The PBL 386 50/2 Subscriber Line Interface Circuit (SLIC bipolar integrated circuit for use in Central Office Metering applications and other telecommunications equipment. The PBL 386 50/2 has been optimized for low total line interface ...
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PBL 386 50/2 Maximum Ratings Parameter Temperature, Humidity Storage temperature range Operating temperature range Operating junction temperature range, Note 1 Power supply -70 C Amb V with respect to A/BGND CC V with respect to A/BGND Bat2 ...
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Electrical Characteristics +70 C, PTG = Open (see pin description), R Amb = 27 mA 600 , unless otherwise specified. Current definition: current is ...
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PBL 386 50/2 Parameter Four-wire to longitudinal balance, B FLE Two-wire return loss, r TIPX idle voltage RINGX idle voltage Four-wire transmit port (VTX) Overhead voltage > 18mA TXO L On-hook, ...
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Parameter Four-wire to two-wire, g 4-2 Four-wire to four-wire, g 4-4 Insertion loss Two-wire to four-wire, G 2-4 Four-wire to two-wire, G 4-2 Gain tracking Two-wire to four-wire Four-wire to two-wire Noise Idle channel noise at two-wire (TIPX-RINGX) or four-wire ...
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PBL 386 50/2 Parameter Tip voltage (ground start) Tip voltage (ground start) Open circuit state loop current, I LOC Loop current detector Programmable threshold LTh active, active reverse Tip open state Ground key detector Ground key detector threshold ...
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Figure 7. Tipx voltage. Notes 1. The overhead voltage can be adjusted with the R for higher levels e.g. min 3.1 V Peak two-wire port with the signal source at the four-wire receive port. 2. The two-wire impedance is programmable ...
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PBL 386 50/2 PTG 1 RRLY RINGX 4 24-pin SOIC BGND 5 and TIPX 6 24-pin SSOP VBAT 7 VBAT2 8 PSG Figure 8. Pin configuration, 24-pin SSOP, 24-pin SOIC ...
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C3 } C1, C2 and C3 are digital inputs (internal pull-up) controlling the SLIC operating states Refer to section "Operating states" for details DET Detector output. Active low when indicating loop detection and ring ...
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... RSN to metallic loop current gain = 200. Note that the SLICs two-wire to four- wire gain user programmable 2-4S between two fix values. Refer to the datasheets for values 2-4S Two-Wire Impedance To calculate Z , the impedance TR presented to the two-wire line by the ...
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... If calculation of the Z formula above B yields a balance network containing an inductor, an alternate method is recom- mended. Contact Ericsson Microelectron- ics for assistance. The PBL 386 50/2 SLIC may also be used together with programmable CODEC/filters. The programmable CODEC/filter allows for system controller adjustment of hybrid balance to accom- modate different line impedances without change of hardware ...
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... VB2 BB VB2 Metering applications , is For designs with metering applications please contact Ericsson Microelectronics for assistance. CODEC Receive Interface The PBL 386 50/2 SLIC have got a completely new receive interface at the four wire side which makes it possible to reduce the number of capacitors in the applications and to fit both single and dual battery feed CODECs ...
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V on-hook resistor Peak R is connected between the POV pin OV and AGND, the overhead voltage can be set to higher values, typical values can be seen in figure 11. The R and OV ...
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PBL 386 50 Bat 0V LProg · feedB (typ 4·10 ...
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Figure 12 gives an example of a ring trip detection network. This network is applicable, when the ring voltage is superimposed on V and is injected on B ...
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... No license is granted by implication or otherwise under any patent or patent rights of Ericsson Microelectronics. These products are sold only according to Ericsson Microelectronics' general conditions of sale, unless otherwise confirmed in writing. Specifications subject to change without notice ...