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SN55109AJ Datasheet(PDF) 1 Page - Texas Instruments |
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SN55109AJ Datasheet(HTML) 1 Page - Texas Instruments |
1 / 11 page SN55109A, SN55110A SN75109A, SN75110A, SN75112 DUAL LINE DRIVERS SLLS106B – DECEMBER 1975 – REVISED MAY 1995 Copyright © 1995, Texas Instruments Incorporated 2–1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • Improved Stability Over Supply Voltage and Temperature Ranges • Constant-Current Outputs • High Speed • Standard Supply Voltages • High Output Impedance • High Common-Mode Output Voltage Range – 3 V to 10 V • TTL-Input Compatibility • Inhibitor Available for Driver Selection • Glitch-Free During Power Up/Power Down • SN75112 and External Circuit Meets or Exceeds the Requirements of CCITT Recommendation V.35 description The SN55109A, SN55110A, SN75109A, SN75110A, and SN75112 dual line drivers have improved output current regulation with supply voltage and temperature variations. In addition, the higher current of the SN75112 (27 mA) allows data to be transmitted over longer lines. These drivers offer optimum performance when used with the SN55107A, SN55108A, SN75107A, and SN75108A line receivers. These drivers feature independent channels with common voltage supply and ground terminals. The significant difference between the three drivers is in the output current specification. The driver circuits feature a constant output current that is switched to either of two output terminals by the appropriate logic levels at the input terminals. The output current can be switched off (inhibited) by low logic levels on the enable inputs. The output current is nominally 6 mA for the ’109A, 12 mA for the ’110A, and 27 mA for the SN75112. The enable/inhibit feature is provided so the circuits can be used in party-line or data-bus applications. A strobe or inhibitor (enable D), common to both drivers, is included for increased driver-logic versatility. The output current in the inhibited mode, IO(off), is specified so that minimum line loading is induced when the driver is used in a party-line system with other drivers. The output impedance of the driver in the inhibited mode is very high. The output impedance of a transistor is biased to cutoff. AVAILABLE OPTIONS PACKAGED DEVICES CERAMIC TA SMALL OUTLINE (D) CHIP CARRIER (FK) CERAMIC DIP (J) PLASTIC DIP (N) FLATPACK (W) SN75109AD SN75109AN 0 °C to 70°C SN75109AD SN75110AD SN75109AN SN75110AN SN75112D SN75112N SN55109AFK SN55109AJ SN55109AJ SN55109AW –55 °C to 125°C SN55109AFK SN55110AFK SN55109AJ SN55110AJ SN55109AJ SN55110AJ SN55109AW SN55110AW 55 C to 125 C SN55110AFK SN55110AJ SN55110AJ SN55110AW The D package is available taped and reeled. Add the suffix R to the device type, (e.g., SN75110ADR). 1 2 3 4 5 6 7 14 13 12 11 10 9 8 1A 1B 1C 2C 2A 2B GND VCC+ 1Y 1Z VCC – D 2Z 2Y SN55109A, SN55110A ...J OR W PACKAGE SN75109A, SN75110A, SN75112 ...D OR N PACKAGE (TOP VIEW) 3 2 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 1Z NC VCC – NC D 1C NC 2C NC 2A SN55109A, SN55110A . . . FK PACKAGE (TOP VIEW) NC – No internal connection THE SN75109A IS NOT RECOMMENDED FOR NEW DESIGNS 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. |
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