|Category||Semiconductors => Interface => RS-485/RS-422|
|Part family||SN65LBC172 Quadruple Low-Power Differential Line Driver|
|Description||Quadruple Low-Power Differential Line Driver 20-SOIC -40 to 85|
|Company||Texas Instruments, Inc.|
|Datasheet||Download SN65LBC172 datasheet
|Cross ref.||Similar parts: JM38510R75703B2, JM38510R75703BS, JM38510R75703S2, JM38510R75703S2A, JM38510R75703SR, JM38510R75703SS, 5962L9583401VFA, 5962L9583401VFX, 5962L9583401VZA, 5962L9583401VZX|
|No. of TX||4|
|Operating Temperature Range(C)||-40 to 85|
|Common Mode Range||-7 to 12|
|Fault Protection(V)||-10 to 15|
|No. of RX||0|
|Approx. Price (US$)||2.43 | 1ku|
|Number of Nodes||32|
|IEC 61000-4-2 Contact(+/- kV)||N/A|
|Pin nb||Package type||Ind std||JEDEC code||Package qty||Carrier||Device mark||Width (mm)||Length (mm)||Thick (mm)||Pitch (mm)|
Meet or Exceed EIA Standard RS-485 Designed for High-Speed Multipoint Transmission on Long Bus Lines in Noisy Environments Support Data Rates up to and Exceeding Ten Million Transfers Per Second Common-Mode Output Voltage Range 12 V Positive- and Negative-Current Limiting Low Power Consumption. 1.5 mA Max (Output Disabled) Functionally Interchangeable With SN75172description
The SN65LBC172 and SN75LBC172 are monolithic quadruple differential line drivers with 3-state outputs. Both devices are designed to meet the requirements of EIA Standard RS-485. These devices are optimized for balanced multipoint bus transmission at data rates up to and exceeding 10 million bits per second. Each driver features wide positive and negative commonmode output voltage ranges, current limiting, and thermal-shutdown circuitry making it suitable for party-line applications in noisy environments. Both devices are designed using LinBiCMOS, facilitating ultra-low power consumption and inherent robustness. Both the SN65LBC172 and SN75LBC172 provide positive- and negative-current limiting and thermal shutdown for protection from line fault conditions on the transmission bus line. These devices offer optimum performance when used with the or SN75LBC175 quadruple line receivers. The SN65LBC172 and SN75LBC172 are available in the 16-pin DIP package (N) and the 20-pin wide-body smalloutline inline-circuit (SOIC) package (DW). The SN75LBC172 is characterized for operation over the commercial temperature range to 70°C. The SN65LBC172 is characterized over the industrial temperature range to 85°C. No internal connection FUNCTION TABLE (each driver) INPUT ENABLES G OUTPUTS Y Z
high level, L = low level, X = irrelevant, Z = high impedance (off)
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. LinBiCMOS is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters.
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12. Pin numbers shown are for the N package.absolute maximum ratings over operating free-air temperature (unless otherwise noted)
Supply voltage range, VCC (see Note 7 V Output voltage range, VO. 15 V Voltage range V to VCC 0.5 V Continuous power dissipation. Internally limited Operating free-air temperature range, TA: to 70°C Storage temperature range, Tstg. to 150°C Lead temperature mm (1/16 inch) from case for 10 seconds. 260°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 under "recommended operating conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability. The maximum operating junction temperature is internally limited. Use the dissipation rating table to operate below this temperature. NOTE 1: All voltage values are with respect to GND.
MIN Supply voltage, VCC High-level input voltage, VIH Low-level input voltage, VIL Voltage at any bus terminal (separately or common mode), mode) VO High-level output current, IOH Low-level output current, IOL Continuous total power dissipation Operating free-air free air temperature, temperature SN65LBC172 SN75LBC172 DISSIPATION RATING TABLE PACKAGE TA 25°C POWER RATING 1150 mW DERATING FACTOR ABOVE 25°C 9.0 mW/°C 9.2 mW/°C = 70°C POWER RATING = 85°C POWER RATING or Z NOM 5 MAX 5.25 UNIT mA
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