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SN75172 Datasheet(PDF) 3 Page - Texas Instruments |
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SN75172 Datasheet(HTML) 3 Page - Texas Instruments |
3 / 8 page SN75172 QUADRUPLE DIFFRENTIAL LINE DRIVER SLLS038B – OCTOBER 1980 – REVISED MAY 1995 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT Supply voltage, VCC 4.75 5 5.25 V High-level input voltage, VIH 2 V Low-level input voltage, VIL 0.8 V Common-mode output voltage, VOC – 7 to 12 V High-level output current, IOH –60 mA Low-level output current, IOL 60 mA Operating free-air temperature, TA 0 70 °C electrical characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK Input clamp voltage II = – 18 mA – 1.5 V VO Output voltage IO = 0 0 6 V VOH High-level output voltage VIH = 2 V, VIL = 0.8 V, IOH = – 33 mA 3.7 V VOL Low-level output voltage VIH = 2 V, VIL = 0.8 V, IOH = 33 mA 1.1 V |VOD1| Differential output voltage IO = 0 1.5 6 V RL = 100 Ω See Figure 1 1/2 VOD1 V |VOD2| Differential output voltage RL = 100 Ω, See Figure 1 OD1 or 2‡ V RL = 54 Ω, See Figure 1 1.5 2.5 5 V VOD3 Differential output voltage See Note 2 1.5 5 V ∆|VOD| Change in magnitude of differential output voltage§ ±0.2 V VOC Common mode o tp t oltage¶ RL =54 Ω or 100 Ω See Figure 1 +3 V VOC Common-mode output voltage¶ RL = 54 Ω or 100 Ω, See Figure 1 –1 V ∆|VOC| Change in magnitude of common-mode output voltage§ ±0.2 V IO Output current with power off VCC = 0, VO = – 7 V to 12 V ±100 µA IOZ High-impedance-state output current VO = – 7 V to 12 V ±100 µA IIH High-level input current VI = 2.7 V 20 µA IIL Low-level input current VI = 0.5 V – 360 µA VO = – 7 V – 180 IOS Short-circuit output current VO = VCC 180 mA VO = 12 V 500 ICC Supply current (all drivers) No load Outputs enabled 38 60 mA ICC Supply current (all drivers) No load Outputs disabled 18 40 mA † All typical values are at VCC = 5 V and TA = 25°C. ‡ The minimum VOD2 with a 100-Ω load is either 1/2 VOD1 or 2 V, whichever is greater. § ∆|VOD| and ∆|VOC| are the changes in magnitude of VOD and VOC, respectively, that occur when the input is changed from a high level to a low level. ¶ In ANSI Standard EIA/TIA-422-B, VOC, which is the average of the two output voltages with respect to ground, is called output offset voltage, VOS. NOTE 2: See Figure 3-5 of EIA Standard RS-485. |
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