LT1791ACS Linear Technology, LT1791ACS Datasheet
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LT1791ACS
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LT1791ACS Summary of contents
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... Thermal Shutdown Protection n Guaranteed Operation to 125°C APPLICATIONS n Industrial Control Data Networks n CAN Bus Applications n HVAC Controls L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION V CC1 RO1 RX RE1 LT1785 R ...
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LT1785/LT1785A/ LT1791/LT1791A ABSOLUTE MAXIMUM RATINGS Supply Voltage (V ) ................................................18V CC Receiver Enable Input Voltage ...................... –0. Driver Enable Input Voltage .......................... –0. Driver Input Voltage ................................... –0.3V to 18V Receiver Input Voltage ................................ –60V to ...
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... LT1785AHS8 LT1785AHS8#TR LT1791CN LT1791CN#TR LT1791CS LT1791CS#TR LT1791IN LT1791IN#TR LT1791IS LT1791IS#TR LT1791ACN LT1791ACN#TR LT1791ACS LT1791ACS#TR LT1791AIN LT1791AIN#TR LT1791AIS LT1791AIS#TR LT1791HN LT1791HN#TR LT1791HS LT1791HS#TR LT1791AHN LT1791AHN#TR LT1791AHS LT1791AHS#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. ...
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LT1785/LT1785A/ LT1791/LT1791A DC ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER V Differential Driver Output Voltage (Unloaded) OD1 V Differential Driver Output Voltage (With Load) OD2 V Change in Magnitude of Driver Differential Output OD Voltage ...
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SWITCHING CHARACTERISTICS temperature range, otherwise specifi cations are at T SYMBOL PARAMETER t Driver Input to Output PLH t Driver Input to Output PHL t Driver Output to Output SKEW Driver Rise or Fall Time r f ...
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LT1785/LT1785A/ LT1791/LT1791A TYPICAL PERFORMANCE CHARACTERISTICS Driver Differential Output Voltage vs Load Resistance 25° 100 LOAD RESISTANCE (Ω) 178591 G01 Driver Propagation Delay vs Temperature 1000 900 800 LH 700 600 HL ...
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PIN FUNCTIONS RO: Receiver Output. TTL level logic output. If the receiver is active (RE pin low high if receiver input A ≥ 200mV ≤ 200mV, then RO will be low. RO ...
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LT1785/LT1785A/ LT1791/LT1791A TEST CIRCUITS Figure 1. Driver DC Test Load DIFF Figure 3. Driver/Receiver Timing Test Circuit FUNCTION TABLES LT1785 Transmitting INPUTS RE DE ...
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SWITCHING TIME WAVEFORMS 1 – OD2 A – B ...
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LT1785/LT1785A/ LT1791/LT1791A APPLICATIONS INFORMATION Overvoltage Protection The LT1785/LT1791 RS485/RS422 transceivers answer an applications need for overvoltage fault tolerance on data networks. Industrial installations may encounter common mode voltages between nodes far greater than the –7V to 12V range specifi ed ...
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APPLICATIONS INFORMATION Slew Limiting for EMI Emissions Control The LT1785/LT1791 feature controlled driver output slew rates to control high frequency EMI emissions from equip- ment and data cables. The slew limiting limits data rate operation to 250kbaud. Slew limiting also ...
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LT1785/LT1785A/ LT1791/LT1791A PACKAGE DESCRIPTION .300 – .325 (7.620 – 8.255) .008 – .015 (0.203 – 0.381) +.035 .325 –.015 ( ) +0.889 8.255 –0.381 NOTE: 1. DIMENSIONS ARE MILLIMETERS *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD FLASH ...
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PACKAGE DESCRIPTION .050 BSC .245 MIN .030 ±.005 TYP RECOMMENDED SOLDER PAD LAYOUT .010 – .020 (0.254 – 0.508) .008 – .010 (0.203 – 0.254) NOTE: 1. DIMENSIONS IN 2. DRAWING NOT TO SCALE 3. THESE DIMENSIONS DO NOT INCLUDE ...
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LT1785/LT1785A/ LT1791/LT1791A PACKAGE DESCRIPTION .300 – .325 (7.620 – 8.255) .008 – .015 (0.203 – 0.381) +.035 .325 –.015 ( ) +0.889 8.255 –0.381 NOTE: INCHES 1. DIMENSIONS ARE MILLIMETERS *THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS. MOLD ...
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... MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED .006" (0.15mm) Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Controlled Driver Slew Rate 10Mbaud Operation Up to 256 Transceivers on the Bus Channel-to-Channel Skew 400ps (Typ) 2500V Isolation in Surface Mount Package RMS Propagation Delay Skew 500ps (Typ) Propagation Delay Skew 500ps (Typ) LT 0409 REV C • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1998 178591fc ...