PBL38640/2QNA Infineon Technologies, PBL38640/2QNA Datasheet
PBL38640/2QNA
Specifications of PBL38640/2QNA
PBL386402QNAXT
SP000017953
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PBL38640/2QNA Summary of contents
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FlexiSLIC ...
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... Infineon Technologies Office. Infineon Technologies Components may only be used in life-support devices or systems with the express written approval of Infineon Technologies failure of such components can reasonably be expected to cause the failure of that life-support device or system affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body support and/or maintain and sustain ® ...
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FlexiSLIC Revision History: Previous Version: Page Subjects (major changes since last revision) all Package P-DSO-24-1 changed to P-/PG-DSO-24-8 all Package type abbreviation SOIC changed to PDSO all Package P-LCC-28-2 changed to P-/PG-LCC-28-3 all Package P-SSOP-24-1 changed to P-/PG-SSOP-24-1 Page 17 ...
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Table of Contents 1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Table of Contents 10 Overvoltage Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of Figures Figure 1 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of Tables Table 1 Pin Definition and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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FlexiSLIC Subscriber Line Interface Circuit Version 2 1 Overview 1.1 Features • 24-pin SSOP package • High and low battery with automatic switching • on-hook power dissipation in active state • On-hook transmission • Long loop battery feed ...
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Typical Applications • Basic functionality Central Office Line card • Digital Loop Carriers (DLC) 1.3 Description The PBL 38640/2 Subscriber Line Interface Circuit (SLIC bipolar integrated circuit for use in PBX, Terminal adapters and other ...
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Block Diagram DT DR Ring Relay RRLY Driver TIPX HP Two-wire Interface RINGX BGND VBAT VBAT2 Figure 1 Block Diagram Data Sheet Ring Trip Comparator Input Ground Key Decoder Detector and Control Line Feed Controller and Longitudinal Signal Suppression ...
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Pin Configuration PTG 1 RRLY RINGX 4 BGND 5 TIPX 6 24-pin PDSO and 24- pin SSOP VBAT 7 VBAT2 8 PSG Figure 2 Pin Configuration, 24L-PDSO, 24L-SSOP and ...
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Table 1 Pin Definition and Functions (cont’d) PDSO PLCC Name SSOP Pin No. Pin No RINGX 5 6 BGND 6 7 TIPX BAT BAT2 9 10 PSG ...
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Table 1 Pin Definition and Functions (cont’d) PDSO PLCC Name SSOP Pin No. Pin No DET PLD 19 22 POV 20 23 PLC 21 24 REF 22 26 RSN 23 27 AGND ...
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Table 1 Pin Definition and Functions (cont’d) PDSO PLCC Name SSOP Pin No. Pin No VTX - 4, 11,19 Table 2 SLIC Operating States State ...
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Electrical Characteristics Table 3 Absolute Maximum Ratings Parameter Temperature, Humidity Storage temperature range Operating temperature range Operating junction 1) temperature range Power Supply (- with respect to A/BGND CC V with respect to BAT2 A/BGND V with ...
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Table 3 Absolute Maximum Ratings (cont’d) Parameter TIPX and RINGX Terminals (-40 C TIPX or RINGX current TIPX or RINGX voltage, continuous (referenced to 2) AGND) 2) TIPX or RINGX 2) TIPX or RINGX 2)3) TIP or RING 1) The ...
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Characterictics The specification is made with following setup: - pin description mA 600 , 120 ...
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Table 5 Characteristics (cont’d) Parameter Longitudinal to metallic balance (IEEE standard Z 455-1985), = 736 TRX Normal polarity Reverse polarity Data Sheet Symbol Values Min. Typ ...
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Table 5 Characteristics (cont’d) Parameter Longitudinal to metallic balance = 20 log LME LO TR see Figure 4 Normal polarity Reverse polarity Data Sheet Symbol Values Min. Typ LME ...
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Table 5 Characteristics (cont’d) Parameter Longitudinal to four-wire balance = 20 log LFE LO TX see Figure 4 Normal polarity Reverse polarity Metallic to longitudinal balance = 20 log MLE ...
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Table 5 Characteristics (cont’d) Parameter 3) Two-wire return loss ----------------------- - TRX log Z Z – TRX L TIPX idle voltage RINGX idle voltage Open loop voltage Four-Wire Transmit Port ( VTX ) ...
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Table 5 Characteristics (cont’d) Parameter Four-wire to two-wire, relative to 0 dBm, 1.0 kHz see L Figure 7 Four-wire to four-wire, relative to 0 dBm, 1.0 kHz see L Figure 7 Insertion ...
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Table 5 Characteristics (cont’d) Parameter Harmonic Distortion Two-wire to four-wire, see Figure 7 Four-wire to two-wire Battery Feed Characteristics Loop current in the current limited region, reference A, B & C see Figure 13 Tip open state TIPX current see ...
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Table 5 Characteristics (cont’d) Parameter Loop Detector Programmable threshold, Tip open state Ground Key Detector Ground key detector threshold Line Voltage Measurement 10) Pulse width Ring Trip Comparator Offset voltage Input bias current Input common mode range Ring Relay Driver ...
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Table 5 Characteristics (cont’d) Parameter Detector Output (DET) Output low voltage Internal pull-up resistor Power Dissipation ( V BAT Power Dissipation Power Dissipation Power Dissipation Power Dissipation Power Supply Currents ( V current V CC current V ...
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Table 5 Characteristics (cont’d) Parameter Temperature Guard Junction threshold temperature Thermal Resistance 24-pin SSOP 24-pin PDSO 28-pin PLCC 1) The overhead level can be adjusted with the resistor R specified at the two-wire port with the signal source at the ...
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The two-wire impedance is programmable by selection of external component values according to /(|G |) where: TRX T 2-4S RSN Z = impedance between the TIPX and RINGX terminals TRX Z = programming network between the ...
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Figure 4 Longit. to Metallic << 150 , = Figure 5 Metallic to Longit << 150 ...
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LDC E L Figure 7 Frequency Response, Insertion Loss, Gain Tracking << 600 , L L Figure 8 TIPX Voltage Data Sheet TIPX VTX PBL 38640 RINGX RSN ...
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Application Schematic Figure 9 Application Example of PBL 38640/2 with SICOFI Data Sheet Application Schematic sch_40 ® 30 FlexiSLIC PBL 38640/2 4 Codec Rev. 2.0, 2005-04-14 ...
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Recommended Components Table 6 Resistors Resistor Value 49 User programmable 49.9 k REF R 22 ...
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Table 7 Capacitors (cont’d) Capacitor Value C 330 330 nF 2 Table 8 Diodes Diode Value D 1N4448 VB D 1N4448 VB2 D 1N4448 1N4448 required to connect D between ...
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Transmission 5.1 General A simplified AC model of the transmission circuit is shown in TIP RING R F Figure 10 Simplified AC Model of PBL 38640/2 Circuit analysis from ...
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V Is the ground referenced version of the AC metallic voltage between the TX TIPX and RINGX terminals the AC metallic voltage between TIP and RING the line open circuit AC metallic voltage. L ...
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Four-Wire to Two-Wire Gain From Equation [1] to Equation [ -------- - --------------- - G = --------- - = – – For applications where ...
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The four-wire to four-wire gain balance network can be calculated from --------- - = – When selecting the TX terminal is at least 20 k ...
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Longitudinal Impedance A feedback loop within the SLIC counteracts longitudinal voltages at the two-wire port by injecting longitudinal currents in opposing phase. Thus longitudinal disturbances will appear as longitudinal currents and the TIPX and RINGX terminals will experience very ...
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SLIC The typical value of the transversal to longitudinal balance at ...
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Table 10 Battery Overhead Value Symbol (typ 3 TRO V V 4.9 + OHvirt TRO The resistive loop feed (reference resistor, , between terminals PSG and ...
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With current directions defined as in gives – RSN RT RRX V where is the reference voltage of the CODEC at the receive output. CODEC From this equation the resistor ...
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Figure 13 Battery Feed Characteristics 2x30 k Feed (typ) = LConst LProg BAT Data Sheet B ...
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------------------------------- = Feed 200 Apparent battery 2x25 Feed TROpen BAT V J Virtual battery Data Sheet ...
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Programmable Overhead Voltage (POV) With the POV function the overhead voltage can be increased. If the POV pin is left open the overhead voltage is internally set to 3.2 R resistor is connected between the POV pin and AGND, ...
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Analog Temperature Guard The widely varying environmental conditions in which SLICs operate may lead to the chip temperature limitations being exceeded. The PBL 38640/2 SLIC reduces the DC line current when the chip temperature reaches approximately 145 current again ...
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A ring relay driven by the SLIC ring relay driver connects the ringing source to tip and ring. The ring trip function is based on a polarity ...
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Ringing (C3, C2 The ring relay driver and the ring trip detector are activated and the ring trip detector is indicating off-hook with a logic low level at the detector output. The SLIC is ...
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Refer to Table 3, TIPX and RINGX terminals, for maximum continuous and transient voltages that may be applied to the SLIC. 10.2 Secondary Protection The circuit shown in Figure 9 programmable overvoltage protector (OVP, for example Bournes TISP PBL2) as ...
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Package Outlines The SLIC is provided in three different packages: 24-pin SSOP, 24-pin PDSO and 28-pin PLCC. 13.1 24-pin SSOP Package 0.65 C +0.08 2) 0.3 -0.05 0. 8.2 ±0.13 Index Marking 1) Does ...
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PDSO Package 1.27 2) +0.15 0.35 0 15.6 -0.4 Index Marking 1) Does not include plastic or metal protrusion of 0.15 max. per side 2) Lead width can be 0.61 max. in dambar area Figure 16 ...
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PLCC Package 0.73 ±0.07 1.27 7.62 0.43 ±0.1 0. 11.51 1.45 x 45˚ ±0.08 12.45 ±0.13 1) Does not include mold protrusion of 0.25 max. per side Figure 17 P-/PG-LCC-28-3 (Plastic Leaded Chip ...
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