MAXIM MAX3058/MAX3059 Manual
Contents
1. SUPPLY CURRENT vs DATA RATE MAX3059 SUPPLY CURRENT vs TEMPERATURE 75 IN SHUTDOWN MODE TERM GND MAX3058 59 toc03 MAX3058 59 toc06 40 25 10 5 20 35 5 0 65 TEMPERATU RE C 80 95 110 125 40 7 26 TEMPERATURE C MAX3058 SUPPLY CURRENT vs TEMPERATURE IN SHUTDOWN SHDN Mer RS GND TXD Mer MAX3058 59 toc07 SUPPLY CURRENT uA TEMPERATURE C 59 RXD V 92 125 40 f 26 RECEIVER OUTPUT LOW vs OUTPUT CURRENT MAX3058 59 toc08 VOLTAGE 10 13 16 19 22 25 OUTPUT CURRENT mA 2 g 74 20 2 _ 30 38 D PA E Zn 15 amp 2 amp E S E amp E a 70 amp 10 20 zi 69 72 a n E B 68 5 15 67 66 0 10 65 10 48 86 124 162 200 0 100 200 300 400 500 600 700 800 900 1000 40 25 10 5 20 35 50 65 80 95 110125 Dee KO DATA RATE kbps TEMPERATURE C MAX3059 SUPPLY CURRENT vs TEMPERATURE RECEIVER PROPAGATION DELAY DRIVER PROPAGATION DELAY IN SHUTDOWN MODE TERM Vec vs TEMPERATURE vs TEMPERATURE 10 z 8 50 3 g 2 8 E z poU 7 a ai 5 Z n EC z S a 5 g 3 gt S a RECESS a 4 E g 20 A 3 E g ui 2 g 10 1 0 0 59 92 125 TEMPERATURE C AVLA2. Networks Telecom Backplane Consumer Applications MAKINI MA d al dh Features Four Operating Modes High Speed Operation Up to 1Mbps Slope Control Mode to Reduce EMI 40kbps to 500kbps Low Current Shutdown Mode Standby Mode MAX3058 Only Thermal Shutdown Current Limiting ESD Protection 12kV Human Body Model Ordering Information PART TEMP RANGE 40 C to 125 C 40 C to 125 C PIN PACKAGE 8 SO 8 SO MAX3058ASA MAX3059ASA Selector Guide TERMINATION RESISTOR MAX3058ASA No Yes MAX3059ASA Yes No PART STANDBY Pin Configurations TOP VIEW BN E KAN MAX3059 Typical Operating Circuit appears at end of data sheet Maxim Integrated Products 1 For pricing delivery and ordering information please contact Maxim Dallas Direct at 1 888 629 4642 or visit Maxim s website at www maxim ic com 6SO0EXVIN SSOEXVIN MAX3058 MAX3059 5V 1Mbps Low Supply Current CAN Transceivers ABSOLUTE MAXIMUM RATINGS Kettel EK TEE 0 3V to 6V TXD RS SHDN TERM to GND cece 0 3V to 6V PX DitG GND PM M 0 3V to 6V CANH CANL to GND MAN20OED 7 5V to 12 5V CANH CANL to GND MAX3059 0 3V to Vcc 0 3V Continuous Power Dissipation Ta 70 C 8 Pin SO derate 5 9mW C above 70 C 470mW Operating Temperature Range 40 C to 125 C Maximum Junction Temperature
3. OV Vcc 5V 10 VCANH VCANL TXD OV RL 45Q TXD Vcc no load MAXIM 5V 1Mbps Low Supply Current CAN Transceivers DC ELECTRICAL CHARACTERISTICS continued Vcc 5V 10 TA Tmin to Tmax RL 609 CL 100pF Typical values are at Vcc 5V and TA 25 C Note 1 PARAMETER SYMBOL CONDITIONS 7V VCANH OV MAX3058 VCANH OV MAX3059 Vcc VCANL 12V MAX3058 30 200 VCANL Voc MAX3059 30 200 RTERM VTERM Vcc MAX3059 108 120 132 CANH Short Circuit Current ICANHSC CANL Short Circuit Current ICANLSC Termination Resistor RXD OUTPUT LEVELS 0 8 x V Vec CC RXD High Output Voltage Level 100A RXD Low Output Voltage Level DC BUS RECEIVER Note 2 MAX3058 FF MAX3058 Vrs Vcc standby mode MAX3059 MAX3058 FF MAX3058 Vrs Vcc standby mode MAX3059 Differential Input Voltage Recessive Differential Input Voltage Dominant Differential Input Hysteresis CANH and CANL Input Resistance MODE SELECTION RS nput Voltage for High Speed MAX3058 MAX3059 put Voltage for Standby ope Control Mode Voltage VsLoPE RRS 25kQ to 200kQ Slope Control Mode Current ISLOPE RRs 25kQ to 200kQ High Speed Mode Current IHS Vrs OV SHUTDOWN MAX3058 SHDN Input Voltage Low VSHDNL 0 8 V SHDN Pulldown Resistor RINDHDN 50 100 kO MAXIM 3 6SO
4. an internal 75kQ pullup resistor Ground Supply Voltage Bypass Vcc to GND with a 0 1uF capacitor Receive Data Output RXD is a CMOS TTL compatible output Shutdown Input CMOS TTL Compatible Input Drive SHDN high to put the IC into shutdown mode SHDN has an internal 75kQ pulldown resistor to GND CAN Bus Line Low CAN Bus Line High Mode Select Input Drive RS low or connect to GND for high speed operation Connect a resistor between RS and GND to control output slope For the MAX3058 drive RS high to put into standby mode see Mode Selection section For the MAX3059 drive RS above 0 75 x Vcc to select shutdown mode Terminate Input CMOS TTL Compatible Drive TERM high or leave floating to terminate the device with a 120 across the CANH and CANL Drive TERM low to disconnect this resistor TERM has an internal 75kQ pullup resistor to Vcc Functional Diagram AVLAXLAI MAX3058 THERMAL MAX3059 SHUTDOWN TRANSMITTER CONTROL MODE SELECTION TERM MAX3059 RECEIVER 8 MAXIM 5V 1Mbps Low Supply Current Detailed Description The MAX3058 MAX3059 interface between the protocol controller and the physical wires of the bus lines in a CAN They are primarily intended for printer and tele com backplane applications requiring data rates up to 1Mbps These devices provide differential transmit capability to the bus and differe
5. bus lines CANH CANL The truth table for the trans mitter and receiver is given in Tables 1 and 2 Table 1 Transmitter and Receiver Truth Table for MAX3058 When Not Connected to the Bus TXD RS CANH CANL BUS STATE Low Vrs lt 0 75 x Vcc High Low Dominant High or float Vrs lt 0 75 x Vcc Vrs gt 0 75 x Vcc 5kQ to 25kQ to Vcc 2 5kQ to 25kQ to GND 5kQ to 25kQ to Vcc 2 5kQ to 25kQ to GND Recessive Recessive X Floating Floating Floating Table 2 Transmitter and Receiver Truth Table for MAX3059 When Not Connected to the Bus RS CANH BUS STATE Vrs lt 0 75 x Vcc High Dominant High or float or float Vrs lt 0 75 x Voc Vrs lt 0 75 x Vcc Vrs lt 0 75 x Vcc High 5kQ to 25kQ to Vcc 2 5kQ to 25kQ to Vcc 2 120Q terminating resistor across 5kQ to 25kQ to Vcc 2 5kQ to 25kQ to Vcc 2 120Q terminating resistor across Dominant Recessi Recessi MAXIM Vrs gt 0 75 x Vcc Vrs gt 0 75 x Vcc Floating Floating Floating Floating 120 terminating resistor across Floatin Floatin 6SO0EXVIN SSOEXVIN MAX3058 MAX3059 5V 1Mbps Low Supply Current CAN Transceivers Receiver The receiver reads differential input from the bus lines CANH CANL and transfers this data as a single ended output RXD to the CAN controller It consists of a compa
6. x Vcc Slope control 10A lt IIRS lt 200 Vrs gt 0 75 x Vcc Standby MAX3058 pel lt 10 Vrs gt 0 75 x Vcc 10 Shutdown MAX3059 pel lt 10 MAXIM 5V 1Mbps Low Supply Current Applications Information Reduced EMI and Reflections In slope control mode the CANH and CANL outputs are slew rate limited minimizing EMI and reducing reflections caused by improperly terminated cables In multidrop CAN applications it is important to main tain a direct point to point wiring scheme A single pair of wires should connect each element of the CAN bus and the two ends of the bus should be terminated with 120Q resistors A star configuration should never be used Any deviation from the point to point wiring scheme creates a stub The high speed edge of the CAN data on a stub can create reflections back down the bus These reflections can cause data errors by eroding the noise margin of the system CAN CONTROLLER TX0 MA 25KQ 200kQ MAXIM Vcc MAXIM MAX3058 CAN Transceivers Although stubs are unavoidable in a multidrop system care should be taken to keep these stubs as small as possible especially in high speed mode In slope con trol mode the requirements are not as rigorous but stub length should still be minimized Power Supply and Bypassing The MAX3058 MAX3059 require no special layout con siderations beyond common practices Bypass Vcc to GND with a O
7. 0EXVIN SSOEXVIN MAX3058 MAX3059 5V 1Mbps Low Supply Current CAN Transceivers TIMING CHARACTERISTICS Vcc 5V 10 RL 60Q CL 100pF TA TMIN to Tmax Typical values are at Vcc 5V and Ta 25 C PARAMETER SYMBOL CONDITIONS RS OV 1Mbps 50 RS 25kQ lt 500kbps 125 RS 200kQ lt 62 5kbps RS OV lt 1Mbps RS 25kQ lt 500kbps RS 100kQ 125kbps RS 200kQ x 62 5kbps RS OV lt 1Mbps Delay Bus to Receiver Active iouis RS 25kQ lt 500kbps 150 Figure 1 ONRXD Ras 100kQ lt 125kbps 500 RS 200kQ lt 62 5kbps 800 mix Delay TXD to Bus Active y t Figure 1 ONIXD D Delay TXD to Bus Inactive Figure 1 tOFFTXD ZZ mm D Z Im x lt RS OV lt 1Mbps 100 Delay Bus to Receiver Inactive Karten RS 25kQ x 500kbps 210 Figure 1 RS 100kQ x 125kbps 500 RS 200kQ lt 62 5kbps RS OV lt 1Mbps RS 25kQ lt 500kbps Differential Output Slew Rate SR RS 100kQ lt 125kbps 1 6 RS 200kQ lt 62 5kbps 0 8 RS gt 0 8 x Vcc standby MAX3058 igure 2 D H H V H H H IR Bus Dominant to RXD Active tDRXDL andby to Receiver Active tSBRXDL US dominant MAX3058 Figure 2 DN to Bus Inactive tOFFSHDN TXD GND MAX3058 Figure 3 Note 4 DN to Receiver Active tONSH BUS dominant MAX3058 Figure 3 Note 5 RS to Receiver Active toNsHDN BUS dominant MAX3059 Figu
8. 150 C Storage Temperature Range 65 C to 150 C Lead Temperature soldering 10s 300 C Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device These are stress ratings only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied Exposure to absolute maximum rating conditions for extended periods may affect device reliability DC ELECTRICAL CHARACTERISTICS Vcc 5V 10 TA Tmin to Tmax RL 60Q CL 100pF Typical values are at Vcc 5V and TA 25 C Note 1 PARAMETER SYMBOL CONDITIONS Dominant Supply Current Recessive Quiescent Current Standby Mode la Standby MAX3058 Shutdown Current ISHDN VSHDN Voc MAX3058 VTERM VRS Vcc MAX3059 VTERM OV Vrs Vcc MAX3059 Thermal Shutdown Threshold VTSH Thermal Shutdown Hysteresis TXD INPUT LEVELS High Level Input Voltage Low Level Input Voltage Input Capacitance Pullup Resistor TERM INPUT LEVELS MAX3059 High Level Input Voltage Low Level Input Voltage TERM Pullup Resistor CANH CANL TRANSMITTER VTXD Vcc no load Recessive Bus Voltage CANH Output Voltage TXD OV VTxp Vcc no load VRs Vcc ndby mode MAX3058 CANL Output Voltage TXD OV TxD OV Vcc 5V 45 Differential Output xD
9. 19 2939 Rev 1 9 03 5V 1Mbps Low Supply Current CAN Transceivers General Description The MAX3058 MAX3059 interface between the con troller area network CAN protocol controller and the physical wires of the bus lines in a CAN They are pri marily intended for printer and telecom backplane appli cations requiring data rates up to 1Mbps These devices provide differential transmit capability to the bus and differential receive capability to the CAN controller The MAX3058 output common mode range is from 7V to 12V The MAX3059 output common mode range is from OV to Vcc The MAX3059 contains an internal switch termination resistor that makes it ideal for JetLink applications The MAX3058 features four different modes of opera tion high speed slope control standby and shutdown The MAX3059 features three different modes of opera tion high speed slope control and shutdown High speed mode allows data rates up to 1Mbps In slope control mode the slew rate may be optimized for data rates up to 500kbps so the effects of EMI are reduced and unshielded twisted or parallel cable can be used In standby mode the transmitters are shut off and the receivers are put into low current mode In shutdown mode the transmitter and receiver are switched off The MAX3058 MAX3059 are available in an 8 pin SO package and are specified over the 40 C to 125 C temperature range Applications Printers JetLink Industrial Control
10. 1uF ceramic capacitor mounted close to the IC with short lead lengths and wide trace widths Chip Information TRANSISTOR COUNT 1024 PROCESS BICMOS Typical Operating Circuit CAI 11 6SO0EXVIN SSOEXVIN MAX3058 MAX3059 5V 1Mbps Low Supply Current CAN Transceivers Package Information The package drawing s in this data sheet may not reflect the most current specifications For the latest package outline information go to www maxim ic com packages INCHES MILLIMETERS DIM MIN MAX MIN MAX A 0 053 0 069 1 35 1 75 A1 0 004 0 010 0 10 0 25 0 014 0 019 0 35 0 49 B Cc 0 007 0 010 0 19 0 25 e 0 050 BSC 1 27 BSC E H L SOICN EPS 0 150 0 157 3 80 4 00 0 228 0 244 5 80 6 20 0 016 0 050 0 40 1 27 VARIATIONS INCHES MILLIMETERS TOP VIEW DIM MIN MAX MIN D 0 189 0 197 4 80 0 337 0 344 FRONT VIEW SIDE VIEW NOTES 1 D amp E DO NOT INCLUDE MOLD FLASH K 2 MOLD FLASH OR PROTRUSIONS NOT TO EXCEED 0 15mm 006 DDALLAS AVLAXL VI 3 LEADS TO BE COPLANAR WITHIN 0 10mm 004 PROPRIETARY INFORMATION 4 CONTROLLING DIMENSION MILLIMETERS TITLE 5 MEETS JEDEC MS012 PACKAGE OUTLINE 150 SOIC 6 N NUMBER OF PINS Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product No circuit patent licenses are im
11. ZCLAVI 5V 1Mbps Low Supply Current CAN Transceivers Typical Operating Characteristics continued Vcc 5V RL 600 CL 100pF TA 25 C unless otherwise specified RECEIVER OUTPUT HIGH DIFFERENTIAL VOLTAGE vs OUTPUT CURRENT vs DIFFERENTIAL LOAD RL 5 0 2 50 45 E 45 I Ta 40 C A Q An S 40 E ING TA 425 C 2 8 35 g 35 I 30 30 oS E T 25 z 25 TA 125 C bes LE amp 20 amp 20 a 5 g 15 E 15 amp 10 10 amp 05 0 5 0 0 10 11 12 13 14 15 16 17 18 19 20 21 22 23 0 50 100 150 200 250 300 OUTPUT CURRENT mA DIFFERENTIAL LOAD RL Q RECEIVER PROPAGATION DELAY DRIVER PROPAGATION DELAY MAX3058 59 toc12 7 o 5V div CANH CANL RRs 24kQ J RRS 100kQ RXD 4 2V div RRS 180kQ 200ns div 1pus div LOOPBACK PROPAGATION DELAY DRIVER PROPAGATION DELAY RS GND vs Ras MAX3058 59 toc13 9 00 z FENCE e 800 g Z 700 3 TXD E bo 5V div g 0 3 50 S 400 amp e 300 CANH E CANL oon 100 i i i i i 0 200ns div 0 20 40 60 80 100 120 140 160 180 200 Res KQ AVLAX LAW 7 6S0EXVIN SSOEXVIN MAX3058 MAX3059 5V 1Mbps Low Supply Current CAN Transceivers Pin Description PIN MAX3058 MAX3059 FUNCTION Transmit Data Input TXD is a CMOS TTL compatible input from a CAN controller TXD has
12. e If a logic high level is applied to RS the MAX3058 enters a low current standby mode In this mode the transmitter is switched off and the receiver is switched to a low current low speed state If dominant bits are detected RXD switches to low level The microcon troller should react to this condition by switching the transceiver back to normal operation When the MAX3058 enters standby mode RXD goes high for 4us max regardless of the BUS state However after 4us RXD goes low only when the BUS is dominant otherwise RXD remains high when the BUS is recessive For proper measurement of standby to receiver active time tSBRXDL the BUS should be in a dominant state see Figure 2 Shutdown Mode Drive SHDN high to enter shutdown mode on the MAX3058 Connect SHDN to ground or leave it floating for normal operation On the MAX3059 drive RS high to enter shutdown TERM Drive TERM high to Vcc or leave it floating to termi nate the MAX3059 with 120Q resistor connected across the CANH and CANL Connect TERM to ground to dis connect this resistor Thermal Shutdown If the junction temperature exceeds 160 C the device is switched off The hysteresis is approximately 25 C disabling thermal shutdown once the temperature drops to 135 C In thermal shutdown CANH and CANL go recessive and all IC functions are disabled RESULTING CURRENT AT RS pA Vrs lt 0 3 x Vcc High speed Illas lt 500 0 4 x Vcc Vns lt 0 6
13. ntial receive capability to the CAN controller The MAX3058 output common mode range is from 7V to 12V The MAX3059 output common mode range is from OV to Vcc The MAX3059 contains an internal switch termination resistor that makes it ideal for JetLink applications The MAX3058 features four different modes of opera tion high speed slope control standby and shut down The MAX3059 features three different modes of operation high speed slope control and shutdown High speed mode allows data rates up to 1Mbps In slope control mode the slew rate may be optimized for data rates up to 500kbps so the effects of EMI are reduced and unshielded twisted or parallel cable can CAN Transceivers be used In standby mode the transmitters are shut off and the receivers are put into low current mode In shutdown mode the transmitter and receiver are switched off The transceivers operate from a single 5V supply and draw 40mA of supply current in dominant state and 2mA in recessive state In standby mode supply current is reduced to 15pA In shutdown mode supply current is 1pA for the MAX3058 and 5pA for the MAX3059 CANH and CANL are output short circuit current limited and are protected against excessive power dissipation by thermal shutdown circuitry that places the driver outputs into a high impedance state Transmitter The transmitter converts a single ended input TXD from the CAN controller to differential outputs for the
14. plied Maxim reserves the right to change the circuitry and specifications without notice at any time 12 Maxim Integrated Products 120 San Gabriel Drive Sunnyvale CA 94086 408 737 7600 2003 Maxim Integrated Products Printed USA MAXIM is a registered trademark of Maxim Integrated Products
15. rator that senses the difference AV CANH CANL with respect to an internal threshold of 0 7V If this difference is positive i e AV gt 0 7 a logic low is present at RXD If negative i e AV lt 0 7V a logic high is present The receiver always echoes the CAN BUS data The CANH and CANL common mode range is 7V to 12V for the MAX3058 and OV to Vcc for the MAX3059 RXD is logic high when CANH and CANL are either shorted or terminated and undriven Mode Selection High Speed Mode Connect RS to ground to set the MAX3058 MAX3059 to high speed mode When operating in high speed mode the MAX3058 MAX3059 can achieve transmis sion rates of up to 1Mbps In high speed mode use shielded twisted pair cable to avoid EMI problems Slope Control Mode Connect a resistor from RS to ground to select slope control mode Table 3 In slope control mode CANH and CANL slew rates are controlled by the resistor con nected to the RS pin Maximum transmission speeds are controlled by Rrs and range from 40kbps to 500kbps Controlling the rise and fall slopes reduces EMI and allows the use of an unshielded twisted pair or a parallel pair of wires as bus lines The transfer func tion for selecting the resistor value is given by RRs kQ 12 500 maximum speed in kbps See the Slew Rate vs Rrs graph in the Typical Oper ating Characteristics Table 3 Mode Selection Truth Table CONDITION FORCED AT PIN RS MODE Standby Mod
16. re 3 Note 5 Vrs Vcc part in shutdown MAX3059 Figure 4 4 1 4 1 ERM to Resistor Switched On tONRT Vrs Vcc part in shutdown MAX3059 Figure 4 Human Body Model Note 1 All currents into device are positive all currents out of the device are negative All voltages are referenced to device ground unless otherwise noted Note 2 Vrxp Vcc CANH and CANL externally driven 7V VCANH VCANL 12V for MAX3058 OV VCANH VCANL lt Vcc for MAX3058 unless otherwise specified Note 3 Specification guaranteed by design not production tested Note 4 No other devices on the BUS Note 5 BUS externally driven ERM to Resistor Switched Off tOFFRT 4 MAXIM 5V 1Mbps Low Supply Current 3 loNTXD lorFTXD La loFFRXxD gt i ONRXD gt Figure 1 Timing Diagram I Nicol Let loNSHON el BUS EXTERNALLY DRIVEN Figure 3 Timing Diagram for Shutdown Signal MAXIM CAN Transceivers Timing Diagrams Ver x 0 75 BUS EXTERNALLY DRIVEN tSBRXDL 6SO0EXVIN SSOEXVIN Figure 2 Timing Diagram for Standby Signal MAX3058 Figure 4 Test Circuit and Diagram for TERM Timing MAX3059 MAX3058 MAX3059 5V 1Mbps Low Supply Current CAN Transceivers 25 SLEW RATE vs Rns AT 100kbps Typical Operating Characteristics Vcc 5V RL 609 CL 100pF TA 25 C unless otherwise specified
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MAXIM MAX3058/MAX3059 Manual