ST L9616 handbook
Contents
1. AY L9616 HIGH SPEED CAN BUS TRANSCEIVER L9616 MEETS ISO DIS 11898 UP TO 1MEGABAUD TRANSMITTER GENERATION OF DIFFERENTIAL OUTPUT SIGNALS SHORT CIRCUIT PROTECTED FROM 5V TO 36V DETECTION amp SHUTDOWN SLOPE CONTROL TO REDUCE RFI AND EMI TWO STATES ADJUSTABLE SLOPE CONTROL lt 1 MEGABAUD lt 250KBAUD RECEIVER DIFFERENZIAL INPUT WITH HIGH INTERFERENCE SUPPRESSION COMMON MODE INPUT VOLTAGE RANGE Vcom FROM 2V Vs 3V a ESD PROTECTION LEVEL UP 4kV m PACKAGE 50 8 DESCRIPTION The L9616 is a bidirectional transceiver for signal BLOCK DIAGRAM November 2000 50 8 ORDERING NUMBER 96160 conditioning and processing in connection with a CAN controller Data rates of up to 1MEGABAUD are supported using either shielded or non shielded pair of lines D96AT245 1 8 19616 ABSOLUTE MAXIMUM RATINGS Supply Voltage Bus Voltage at C_H C_L VS 0 to 5 5V Off State Leakage Current at C C L VS 0 to 5 5V Vc H 5 to 36V Vc 5 to 36 Voc DC Voltage at TXO ASC VS 0 to 5 5V Output Current at RXO Vs 0 to 5 5V Storage and Junction Temperature Range 40 to 150 Top Operating Temperature Range 40 to 125 All voltages except bus voltage are defined with respect to pin 2 Positive currents flow into the IC PIN CONNECTION D96AT246 THERMAL DATA Symbol Parameter Unit Receive Output Receive Outpt O 2 8 19616 ELEC2. TRICAL CHARACTERISTICS Top 40 to 125 C Vs 4 5 to 5 5 Dominat GND Re cessive VTXO Vs All voltages except bus voltage are defined with respect to pin 2 Positive currents flow into the IC unless otherwise specified Symbol _____ Test Condition Min Max Unit __ 45 5 55 s Supply Current Dominant 8 mA Recessive 20 mA TRANSMITTER SECTION 600 between Input Capacitance 0V Vro Vs pF Vo TXO High Level Input Votage ve ie ow eve pues __ Level 2 T TXOLowlevelinutCumen Vmo GND 25 0 5 Gus Capacitance Vasc ASC Input Voltage for High Speed Ew ASC Input Voltage forLowSpeed 1 1 O9Vs _ ES ASC Input Current 25 25 Ic_H Ic L Leakage Current Recessive or Vcr 110 4V o3 ee Ruc Input Resistence Recessive 5 50 Rome Differential input Resistence __ Recessive 10 Differential Output Voltage Dominant Ra 1 5 3 V Vpit Differential Output Voltage Recessive 500 50 Short Circuit Detection Time Rcs lt 10 C HtoC L C HtoB Supply Current i
3. eved to be accurate and reliable However STMicroelectronics assumes responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics Specification mentioned in this publication are subject to change without notice This publication supersedes and replaces all information previously supplied STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics The ST logo is a registered trademark of STMicroelectronics 2000 STMicroelectronics Printed in Italy All Rights Reserved STMicroelectronics GROUP OF COMPANIES Australia Brazil China Finland France Germany Hong Kong India Italy Japan Malaysia Malta Morocco Singapore Spain Sweden Switzerland United Kingdom U S A http www st com 8 8
4. n Case of Short Circuit C H to C L C Hto B time ta VC Lmax Overvoltage Protection Threshold on C RECEIVE SECTION Vnxo RXO High Level Output Voltage lt 0 5V 0 3mA Vc_H 2 to 7V VC 2 to 7V RXO Low Level Output Voltage gt 0 9V 1mA Vc_H 2 to 7V VC 2 to 7V Vs Input Signal Threshold Vc 2 to 7V Vc 2 to 7V Vc Vcom Input Common Mode Voltage 1 2 Range Vms Differential Input Hysteresis 1 10 w KQ A REFERENCE OUTPUT Output Resistance 2 9 ky 3 8 19616 DINAMIC CHARACTERISTICS 47pF between C_H and C_L Vs 5V tR lt 5ns Crxo 20pF between Ra 600 between C_H and C_L Symbol Test Condition Min Typ Unit Signal Delay TXO toC H SR Differential Output Slew Rate Transmitter tOTR Signal Delay Txo to Rxo FUNCTIONAL DESCRIPTION The L9616 is used as an interface between a CAN controller and the physical bus The device provides transmitting capability to the CAN con troller The transmitter outputs C_H and C_L are pro tected against short circuits and electrical tran sients which may occur in an automotive environ ment In case of short circuit C_H to C_L C_H to B the protection circuit recognizes this fault con ditionand the transmitter output stages are dis abled with a delay of max 10us to prevent de struction of
5. nsceiver With Emc Reducing Measures D96AT251 D96AT252 80 10000 80 10000 ic ATTENUATION OF 162 ATTENUATION OF oe TRANSMITTER 10 TRANSMITTER iod 50 316 2 50 316 2 40 100 40 100 30 31 62 30 31 62 20 10 20 10 10 3 162 10 3 162 0 1 0 1 O 40 80 120 160 f KHz O 40 80 120 160 EMC PERFORMANCE Transceiver Sending equivalent terminating resistor 2 x 1200 parallel at line ends 4 7nF D 500 uV D96AT253 Transceiver Without Emc Reducing Measures TEK495 Analyzer Transceiver With Emc Reducing Measures 80 D96AT254 1 0000 80 D96AT255 1 0000 70 3162 70 3162 60 1000 60 i 1000 50 316 2 50 316 2 40 100 40 100 30 31 62 30 711 31 62 20 10 20 10 10 3 162 10 3 162 0 1 0 1 0 40 80 120 160 f KHz 0 40 80 120 160 f KHz 6 8 19616 inch OUTLINE AND MECHANICAL DATA MAX O pet 0069 0 25 0 004 0 010 1 65 0 065 65 0 85 0 033 0 25 0 25 0 5 0 010 0 020 45 typ Tee a Ex ss Pe pe e e Tos ae 198 t fos 127 006 00501 et tet tee 8 max 1 D and F do not include mold flash or protrusions Mold flash or potrusions shall not exceed 0 15mm 006inch 7 8 19616 Information furnished is beli
6. the IC and high consumption of supply current Is If Vc_L gt Vc_Lmax the transmitter output stages would be disabled immediately Pin ASC makes it possible to select two different TYPICAL APPLICATION 5 ms 11 50 Vsc Vs 15 20 Vis ion SignalDeayC C LtoRxo 00 TC Vasc 0V _____150 300 ns modes of operation High speed lt 1MEGABaud and low speed lt 250kBaud The ASC pin is tied to GND for normal operation at x1MEGABaud For slower speed operation at lt 250kBaud the rise and fall slope of the bus out put can be decreased to reduce EMI by connect ingg the ASC pin to Vs FUNCTIONAL TABLE HOA fur sate r __ Dominant Floating Floating Floating Fase Paste D96AT247A 19616 TIMING DIAGRAM D96AT248 EMC PERFORMANCE RECEIVER EQUIVALENT TERMINATING RESISTOR 2 x 1200 PARALLEL AT LINE ENDS CAN CAN CONTROLLER T1 250Kbit sec TRANSCELVER 1 1 HP8640 CAN CAN CONTROLLER 250Kbi sec TRANSCELVER 90 1KHz v MONITORING BIT COMPARISON NOT NOISE RESISTANT NOISE RESISTANT min request boundary automotive industry 100MHz 500MHz D96AT249C 5 8 19616 PERFORMANCE TRANSMITTER equivalent terminating resistor 2 x 1200 parallel at line ends TEK495 Analyzer D96AT250 Transceiver Without Emc Reducing Measures Tra
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ST L9616 handbook