PBL38621-2 Ericsson, PBL38621-2 Datasheet
PBL38621-2
Related parts for PBL38621-2
PBL38621-2 Summary of contents
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Description The PBL 386 21/2 Subscriber Line Interface Circuit (SLIC bipolar integrated circuit for use in DAML, FITL and other telecommunications equipment. The PBL 386 21/2 has been optimized for low total line interface cost and ...
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PBL 386 21/2 Maximum Ratings Parameter Temperature, Humidity Storage temperature range Operating temperature range Operating junction temperature range, Note 1 Power supply, - +85 C Amb V with respect to A/BGND CC V with respect to A/BGND Bat2 ...
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Electrical Characteristics - +85 C, PTG = open (see pin description), V Amb mA 600 , 52 unless otherwise ...
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PBL 386 21/2 Parameter Four-wire to longitudinal balance, B FLE Two-wire return loss, r TIPX idle voltage RINGX idle voltage Four-wire transmit port (VTX) Overload level, V TXO On-hook, I < 5mA L Output ...
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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 21/2 Parameter Loop current detector Programmable threshold, I LTh Ground key detector Ground key detector threshold (I and I difference to trigger ground key det.) TIPX RINGX Ring trip comparator Offset voltage, V DTDR Input bias current, I ...
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Notes 1. The overload level can be adjusted with the resistor R higher levels e.g. min 3.1 V and is specified at the two- Peak wire port with the signal source at the four-wire receive port. 2. The two-wire impedance ...
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PBL 386 21/2 PTG 1 RRLY RINGX 4 24-pin SOIC BGND 5 and TIPX 6 24-pin SSOP VBAT 7 VBAT2 8 PSG Figure 7. 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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... TX load of the VTX terminal is > calculation of the Z formula above B yields a balance network containing an inductor, an alternate method is recommended. Contact Ericsson Micro- electronics for assistance. The PBL 386 21/2 SLIC may also be used together with programmable CODEC filters. The programmable CODEC/filter allows for system controller adjustment of ...
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... Table and C values for cons tant current feeding characteristics. For values outside table 1, please contact Ericsson Microelectronics for assistance. and/ PBL 386 21 Combination Z B CODEC/Filter Z RX Battery Feed The PBL 386 21/2 SLIC emulate a battery characteristic with current limitation adjustable ...
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PBL 386 21/2 switching occurs when the line voltage passes the value |VB2 · 3.6 L TRO For correct functionality it is important to connect the terminal VBAT2 to the second power supply via ...
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Figure 10. Programmable overhead voltage (POV energized, dc current flows and the comparator input voltage reverses polar- ity. Figure 11 gives an example of a ring trip detection network. ...
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PBL 386 21 +12 V /+5V R RING F2 TIP VB2 VB2 VB2 RESISTORS (Values according to IEC E96 series ...
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(@V =0V)= LProg B: Constant current C: I (typ LConst LProg V =|V |-V -50·I TR Bat OH Figure 12. Battery feed characteristics (without the protection resistors on the line). DC characteristics ...
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... Microelectronics AB' general conditions of sale, unless otherwise confirmed in writing. Specifications subject to change without notice. 1522-PBL 386 21/2 Uen Rev. A © Ericsson Microelectronics AB 1999 This product is an original Ericsson product protected by US, European and other patents. Ericsson Microelectronics AB SE-164 81 Kista-Stockholm, Sweden Telephone: +46 8 757 Part No ...