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L3037 Dataheets PDF



Part Number L3037
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description SUBSCRIBER LINE INTERFACE CIRCUIT
Datasheet L3037 DatasheetL3037 Datasheet (PDF)

L3037 SUBSCRIBER LINE INTERFACE CIRCUIT MONOCHIP SILICON SLIC SUITABLE FOR PUBLIC/PRIVATE APPLICATIONS IMPLEMENTS ALL KEY FEATURES OF THE BORSCHT FUNCTION SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME (3 to 100ms) METERING PULSE INJECTION AND FILTERING WITH MINIMAL COMPONENTS COUNT (NO TRIMMING REQUIRED). PROTECTION RESISTOR MISMATCH COMPENSATION ON HOOK TRANSMISSION LOOP START/GROUND START FEATURE IND TEMP. RANGE: -40°C TO +85°C LOW POWER DISSIPATION IN ALL OPERATING MODES INTEGRATED .

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L3037 SUBSCRIBER LINE INTERFACE CIRCUIT MONOCHIP SILICON SLIC SUITABLE FOR PUBLIC/PRIVATE APPLICATIONS IMPLEMENTS ALL KEY FEATURES OF THE BORSCHT FUNCTION SOFT BATTERY REVERSAL WITH PROGRAMMABLE TRANSITION TIME (3 to 100ms) METERING PULSE INJECTION AND FILTERING WITH MINIMAL COMPONENTS COUNT (NO TRIMMING REQUIRED). PROTECTION RESISTOR MISMATCH COMPENSATION ON HOOK TRANSMISSION LOOP START/GROUND START FEATURE IND TEMP. RANGE: -40°C TO +85°C LOW POWER DISSIPATION IN ALL OPERATING MODES INTEGRATED ZERO CROSSING RELAY DRIVER INTEGRATED (NOISE-LESS) RING TRIP DETECTION VERY LOW NO. of STD TOLERANCE EXTERNAL COMPONENTS SELECT PART FOR U.S. APPLICATIONS (63dB TYP. LONG. BALANCE) SURFACE MOUNT PACKAGE (PLCC44 or BLOCK DIAGRAM PLCC44 PQFP44(10 x 10) ORDERING NUMBERS: L3037FN L3037QN PQFP44) INTEGRATED THERMAL PROTECTION PIN TO PIN COMPATIBLE WITH L3035/36 DESCRIPTION The L3037 subscriber line interface circuit is a bipolar device in 70V technology developed for central office / loop carrier and private applications. The L3037 is pin to pin and function compatible with L3035/36. One particular pin (reserved in L3035/36) is now used for reverse polarity transition time programming. The line polarity transition is not affecting the AC signal transmission that can continue also during the line voltage transition.L3037 is available in two different package options: PLCC44 and PQFP44 (10 x 10mm). December 1997 1/22 This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice. L3037 L3037 PIN FUNCTIONALITY (PLCC44) No. 1 2 3 4 5 6 7 8 9 10 to14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 to 36 37 38 39 40 41 42 43 44 Name VCC ILTF RDC CF BASE BGND VREG STIP TIP VB RING SRING CRT ODET RGIN OGK GST D1 D0 LIM VSS REL CREV GREL CAC RS ZB VB Tx Rx ZAC TTXIN RTTX ACFD AGND IREF Function Supply input (+5V) Analog output (current source) Analog input (current input) Analog input (voltage input) Analog output (voltage source) Ground input (0V) Supply input (VREG) Analog input (voltage input) Analog output (voltage output) Supply input (-VBAT) Analog output (voltage output) Analog input (voltage input) Analog input/output (voltage input / current output) Digital output (voltage output with internal pull up) Analog input (current input) Digital output (voltage output with internal pull up) Digital input (voltage input, internal pull down) Digital input (voltage input) Digital input (voltage input) Digital input (voltage input 3 levels: 0, +5, open) Supply input (-5V) Digital output (voltage output open drain) Analog input/output (voltage input/current output) Ground input (0V) Analog input (current input) Analog input/output (current output/voltage input) Analog input (voltage input) Supply input (-VBAT) Analog output (voltage output) Analog input (voltage input) Analog output (voltage output) Analog input (voltage input) Analog output (voltage output) Analog input (voltage input) Ground input (0V) Analog input/output (voltage output/current input) L3037 FUNCTIONAL DIAGRAM GREL REL CRT RGIN OGK ODET D0 D1 GST LIM LOGIC INTERFACE & DECODER LINE STATUS ICRT ILT ILT VREF ICRT 0 CROSS DETECT. SUPERVISION COMMANDS AC+DC AC ILL (IA-IB)/200 LINE INTERFACE (IA+IB)/200 -1 (IA+IB)/200 1 IA STIP TIP IB RING SRING BGND TTXIN RX 2.32 DC BIAS 1 VREG ILTF ZAC ZB TX 1+ 1 AC PROCESSOR REFERENCE & BIAS SWITCHING DC PROCESSOR IREV RDC SUPPLY REGULATOR D94TL136 ACFD RS CAC RTTX IREF VCC VSS AGND CREV VB CF BASE 2/22 L3037 PIN CONNECTION (Top view) BGND AGND BASE ACFD 35 RDC VCC CF RTTX 34 33 32 31 30 TTXIN ZAC RX TX N.C. VB N.C. N.C. ZB RS CAC 29 28 27 26 25 24 23 12 ODET 13 RGIN 14 OGK 15 GST 16 D1 17 D0 18 LIM 19 VSS 20 REL 21 CREV 22 GREL D94TL129 IREF ILTF 44 VB VREG STIP TIP 1 2 3 4 5 6 7 8 9 10 11 43 42 41 40 39 38 37 36 PLCC44 N.C. N.C. N.C. RING SRING N.C. CRT PQFP44 ABSOLUTE MAXIMUM RATINGS Symbol Vbat VCC VSS Vag nd Vbgnd VREL Vdig Idig Tj Tstg Hu Parameter Battery Voltage Positive Supply Voltage (0 to 1ms) (continuous) Negative Supply Voltage (0 to 1ms) (continuous) Agnd Respect Bgnd (continuous) Ring Relay Supply Voltage Digital I/O D0, D1, GST, LIM, ODET, OGK Digital I/O D0, D1, GST, LIM, ODET, OGK Maximum Junction Temperature Storage Temperature Humidity Value -64 to VSS+0.5 -0.4 to +7 -0.4 to +5.5 -7 to +0.4 -5.5 to +0.4 -2 to +2 14 -0.4 to +5.5 -3 to +3 +150 -55 to +150 5 to 95 Unit V V V V V V V V mA °C °C % Note: In case of power on, power failure or hot insertion with V DD, VSS present and Vbat floating the Absolute Maximum Ratings can be exceeded with Vbat > VSS +0.5V. In this case the power consumption of the device increases and the logic output state including relay driver are not controlled. This effect can be prevented ensuring that Vbat is always present before V DD and VSS or connecting one shottky diode (e.g. BAT49X or equivalent) between Vbat and VSS. One diode can be shared between all the .


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