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SN65HVD233-EP Datasheet(PDF) 2 Page - Texas Instruments |
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SN65HVD233-EP Datasheet(HTML) 2 Page - Texas Instruments |
2 / 24 page DESCRIPTION (CONTINUED) SN65HVD233-EP SLLS944 – NOVEMBER 2008............................................................................................................................................................................................ www.ti.com This device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates. If the common-mode range is restricted to the ISO-11898 Standard range of –2 V to 7 V, up to 120 nodes may be connected on a bus. This transceiver interfaces the single-ended CAN controller with the differential CAN bus found in industrial, building automation, and automotive applications. The RS (pin 8) of the SN65HVD233 provides for three modes of operation: high-speed, slope control, or low-power standby mode. The high-speed mode of operation is selected by connecting RS directly to ground, allowing the driver output transistors to switch on and off 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 RS, since the slope is proportional to the pin's output current. Slope control is implemented with a resistor value of 10 k Ω to achieve a slew rate of ≈ 15 V/µs and a value of 100 kΩ to achieve ≈ 2.0 V/µs slew rate. For more information about slope control, refer to the application information section. The SN65HVD233 enters a low-current standby mode during which the driver is switched off and the receiver remains active if a high logic level is applied to RS. The local protocol controller reverses this low-current standby mode when it needs to transmit to the bus. A logic high on the loopback LBK (pin 5) of the SN65HVD233 places the bus output and bus input in a high-impedance state. The remaining circuit remains active and available for driver to receiver loopback, self-diagnostic node functions without disturbing the bus. AVAILABLE OPTIONS SLOPE DIAGNOSTIC AUTOBAUD PART NUMBER LOW POWER MODE CONTROL LOOPBACK LOOPBACK SN65HVD233 200- µA standby mode Adjustable Yes No ORDERING INFORMATION(1) TA PACKAGE(2) ORDERABLE PART NUMBER TOP-SIDE MARKING –55°C to 125°C SOIC – D Reel of 2500 SN65HVD233MDREP H233EP (1) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI Web site at www.ti.com. (2) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. 2 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s): SN65HVD233-EP |
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