SNx5HVD251 Industrial CAN Bus Transceiver

1 Features

• Drop-In Improved Replacement for the PCA82C250 and PCA82C251
• Bus-Fault Protection of ±36 V
• Meets or Exceeds ISO 11898
• Signaling Rates⁽¹⁾ up to 1 Mbps
• High Input Impedance Allows up to 120 Nodes on a Bus
• Bus Pin ESD Protection Exceeds 14 kV HBM
• Unpowered Node Does Not Disturb the Bus
• Low-Current Standby Mode: 200-µA Typical
• Thermal Shutdown Protection
• Glitch-Free Power-Up and Power-Down CAN Bus Protection for Hot-Plugging
• DeviceNet Vendor ID #806 ⁽¹⁾

2 Applications

• CAN Data Buses
• Industrial Automation
• SAE J1939 Standard Data Bus Interface
• NMEA 2000 Standard Data Bus Interface

Block Diagram

3 Description

The HVD251 is intended for use in applications employing the Controller Area Network (CAN) serial communication physical layer in accordance with the ISO 11898 Standard. The HVD251 provides differential transmit capability to the bus and differential receive capability to a CAN controller at speeds up to 1 megabits per second (Mbps).

Designed for operation in harsh environments, the device features cross-wire, overvoltage and loss of ground protection to ±36 V. Also featured are overtemperature protection as well as –7-V to 12-V common-mode range, and tolerance to transients of ±200 V. The transceiver interfaces the single-ended CAN controller with the differential CAN bus found in industrial, building automation, and automotive applications.

Rs, pin 8, selects one of three different modes of operation: high-speed, slope control, or low-power mode. The high-speed mode of operation is selected by connecting pin 8 to ground, allowing the transmitter output transistors to switch as fast as possible with no limitation on the rise and fall slope. The rise and fall slope can be adjusted by connecting a resistor to ground at pin 8; the slope is proportional to the pin's output current. Slope control with an external resistor value of 10 kΩ gives about 15-V / µs slew rate; 100 kΩ gives about 2-V/µs slew rate.

If a high logic level is applied to the Rs pin 8, the device enters a low-current standby mode where the driver is switched off and the receiver remains active. The local protocol controller returns the device to the normal mode when it transmits to the bus.

1. For all available packages, see the orderable addendum at the end of the data sheet.

4 Revision History

Changes from F Revision (June 2015) to G Revision

• Changed the value of HBM "All pins" From: ±14000 V To: ±6000 V. Changed the value of "CANH, CANL and GND" From: ±6000 V To: ±14000 V in the ESD RatingsGo

Changes from E Revision (March 2010) to F Revision

• Added Pin Configuration and Functions section, ESD Ratings table, Feature Description section, Device Functional Modes, Application and Implementation section, Power Supply Recommendations section, Layout section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go
• Changed the location of section "6.12 VREF-Pin Characteristics" to section 6.8 Go

Changes from C Revision (September 2005) to D Revision

• Added device SN55HVD251Go
• Added the DRJ Package.Go
• Changed the data sheet title From: CAN TRANSCEIVER To: INDUSTRIAL CAN TRANSCEIVERGo
• Deleted APPLICATIONS bullets: DeviceNet™ Data Buses, Smart Distributed Systems (SDS™), and ISO 11783 Standard Data Bus InterfaceGo
• Deleted last paragraph from the DESCRIPTION - "The HVD251 may be used..."Go
• Added Electrical fast transient/burst to the Abs Max Ratings tableGo
• Deleted the condition - over recommended operating conditions (unless otherwise noted). From the RECOMMENDED OPERATING CONDITIONS tableGo
• Added SN55HVD251 to the Operating free-air temperature, T_A in the ROC tableGo
• Added DRJ to the Junction-to-case thermal resistanceGo
• Added DRJ to the Junction-to-board thermal resistanceGo
• Added the SUPPLY CURRENT tableGo
• Deleted ICC - Supply current from the DRIVER ELECTRICAL CHARACTERISTICSGo
• Added T ≥ -40°C to V_O(D) Test Conditions in the DRIVER ELECTRICAL CHARACTERISTICS Go
• Added R_NODE = 330 Ω to Differential output voltage (Dominant) (second line of Test Conditions) in the DRIVER ELECTRICAL tableGo
• Added a third line of Test Conditions to Differential output voltage (Dominant) in the DRIVER ELECTRICAL tableGo
• Added T ≤ 85°C to V_OD®) Test Conditions in the DRIVER ELECTRICAL CHARACTERISTICS Go
• Deleted ICC - Supply current from the RECEIVER ELECTRICAL CHARACTERISTICSGo
• Added Receiver noise rejection row to the RECEIVER ELECTRICAL CHARACTERISTIC tableGo
• Added TYP values to the Differential output signal rise and fall times in the DRIVER SWITCHING CHARACTERISTIC tableGo
• Changed table title From: ABSOLUTE MAXIMUM POWER DISSIPATION RATINGS To: PACKAGE DISSIPATION RATINGSGo
• Added the SON (DRJ) option to the PACKAGE DISSIPATION RATINGS tableGo
• Changed Figure 1 title From: t_LOOP1-LOOP TIME To: RECESSIVE-TO-DOMINANT LOOP DELAYGo
• Changed Figure 2 title From: t_LOOP2-LOOP TIME To: DOMINANT-TO-RECESSIVE LOOP DELAYGo
• Changed Figure 4 From: DRIVER LOW-LEVEL OUTPUT CURRENT vs LOW-LEVEL OUTPUT VOLTAGE To: DRIVER OUTPUT VOLTAGE vs OUTPUT CURRENTGo
• Changed Figure 5 From: DRIVER HIGH-LEVEL OUTPUT CURRENT vs HIGH-LEVEL OUTPUT VOLTAGE To: DRIVER DIFFERENTIAL OUTPUT VOLTAGE vs OUTPUT CURRENTGo
• Changed Figure 8 title From: DIFFERENTIAL OUTPUT FALL TIME To: DIFFERENTIAL OUTPUT TRANSITION TIMEGo
• Changed Figure 12 - Driver V_OD, label R_NODE was 330Ω±1%Go
• Changed Table 1 header From: MEASURED To: DIFFERENTIAL INPUTGo
• Added Note B to Figure 22Go
• Added a row ( X Open) to Table 2 - DriverGo

Changes from B Revision (September 2003) to C Revision

• Changed the front page format.Go
• Changed Junction temperature, T_J - SOIC Package MAX value From 150°C To: 145°CGo
• Changed the THERMAL CHARACTERISTICS table valuesGo
• Changed the ABSOLUTE MAXIMUM POWER DISSIPATION RATINGS table valuesGo

Changes from A Revision (September 2003) to B Revision

• Changed the front page format.Go
• Changed DESCRIPTION text From: and tolerance to transients of ±50 V To: and tolerance to transients of ±200 VGo

Changes from * Revision (November 2002) to A Revision

• Changed multiple items within the document.Go

5 Pin Configuration and Functions

D Package

8-Pin SOIC

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