pbl386141 ETC-unknow, pbl386141 Datasheet
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pbl386141
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pbl386141 Summary of contents
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Description The PBL 386 14/1 Subscriber Line Interface Circuit (SLIC bipolar integrated circuit for use in ISDN Network Terminal Adapters and other short loop telecommunication equipment which often are remote powered, and by that, the available ...
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PBL 386 14/1 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 AGND CC V with respect to AGND EE ...
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Electrical Characteristics + + Amb 600 , current is positive if flowing ...
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PBL 386 14/1 Parameter Four-wire to longitudinal balance, B FLE Two-wire return loss, r TIPX idle voltage RINGX idle voltage Four-wire transmit port ( Overload level, V TXO Off-hook, I 10mA ...
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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 R 2k LDC Four-wire to two-wire R 2k LDC Noise Idle channel ...
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PBL 386 14/1 Parameter Loop current detector Programmable threshold, I DET I > LTh Ground key detector Ground key detector threshold I and I current difference to trigger ground key det. LTIPX LRINGX Ring trip comparator Offset voltage, ...
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Notes 1. The overload level is automatically expanded to 2.5 V when the signal level > 1.0 V Peak two-wire port with the signal source at the four-wire receive port. 2. The two-wire impedance is programmable by selection of external ...
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PBL 386 14/1 Pin Description Refer to figure 7. SSOP Symbol Description 1 RRLY Ring Relay driver output Tip Sense should be connected to TIPX High Pass connection for ac/dc separation capacitor C 4 RINGX The ...
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Figure 7. Pin configuration 28 pin SSOP package, top view. SLIC Operating States State ...
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PBL 386 14/1 TIP + RING Figure 9. Simplified AC transmission circuit. Functional Description and Applications Information Transmission General A simplified AC model of the transmission circuits is shown in figure ...
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Hybrid Function The hybrid function can easily be imple- mented utilizing the uncommitted amplifier in conventional CODEC/filter combinations. Please, refer to figure 10. Via impedance Z a current proportional injected B RX into the summing node of ...
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PBL 386 14/1 High-Pass Transmit Filter When CODEC/filter with a single 5 V power supply is used necessary to separate the different signal reference voltages be- tween the SLIC and the CODEC/filter. In the transmit direction this can ...
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Battery Switch To reduce short loop power dissipation, a second battery voltage, Off-hook, must be connected to the device via an external diode at terminal VBAT2. The SLIC auto- matically switches between the two battery supply voltages without need for ...
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PBL 386 14/1 Analog Temperature Guard The widely varying environmental conditions in which SLICs operate may lead to the chip temperature limitations being exceeded. The PBL 386 14/1 SLIC reduces the dc line current and the longitudinal current limit when ...
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KR + RING F1 OVP R TIP F2 VB2 RESISTORS (values according to IEC- 63 E96 series 49.9 k ...
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PBL 386 14/1 Line Voltage measurement The line voltage is presented on the detec- tor output as a pulse train (see Figure 15) with a frequency inversely proportional to the voltage according to the equation freq = [Hz] ...
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LConst B, (@C LConst TR App Feed ...
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PBL 386 14/1 Ordering Information Package Temp. Range 28pin SSOP Tape & Reel Information given in this data sheet is believed to be accurate and reliable. However no responsibility is assumed for the consequences of ...