LTC490CN8 Linear Technology, LTC490CN8 Datasheet
LTC490CN8
Specifications of LTC490CN8
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LTC490CN8 Summary of contents
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... The receiver has a fail safe feature which guarantees a high output state when the inputs are left open. Both AC and DC specifications are guaranteed from and 4.75V to 5.25V supply voltage range. , LTC and LT are registered trademarks of Linear Technology Corporation. 5 120 120 6 ...
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... No Load GND or V – 12V O = High V = – Low V = 12V – 12V ORDER PART TOP VIEW NUMBER LTC490CN8 7 B LTC490CS8 LTC490IN8 5 Y LTC490IS8 N8 PACKAGE 8-LEAD PDIP S8 PART MARKING S8 PACKAGE 490 = 100 C/ W (N8) JA 490I = 150 C/ W (S8) JA MIN TYP MAX ...
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U SWITCHI G CHARACTERISTICS operating temperature range, otherwise specifications 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 ...
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LTC490 W U TYPICAL PERFOR A CE CHARACTERISTICS TTL Input Threshold vs Temperature 1.63 1.61 1.59 1.57 1.55 – 100 TEMPERATURE ( C ) LTC490 • TPC04 Driver Differential Output Voltage vs Temperature 2.3 ...
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CTIO S V (Pin 1): Positive Supply; 4.75V (Pin 2): Receiver Output > 200mV, R will be high < 200mV, then R will be ...
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LTC490 U U APPLICATIO S I FOR ATIO Typical Application A typical connection of the LTC490 is shown in Figure 5. Two twisted-pair wires connect two driver/receiver pairs for full duplex data transmission. Note that the driver and receiver outputs ...
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U U APPLICATIO S I FOR ATIO less flexible, more bulky, and more costly than twisted pairs. Many cable manufacturers offer a broad range of 120 cables designed for RS485 applications. Losses in a transmission line are a complex combination ...
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LTC490 U U APPLICATIO S I FOR ATIO cable is lightly loaded (470 ), the signal reflects in phase and increases the amplitude at the driver output. An input frequency of 30kHz is adequate for tests out to 4000 feet ...
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U TYPICAL APPLICATIO S RS232 IN RS232 Receiver RS232 IN RX 5.6k RECEIVER 1/2 LTC490 LTC490 • TA02 RS232 to RS485 Level Transistor with Hysteresis R = 220k Y 10k 120 DRIVER 5.6k 1/2 LTC490 VY – VZ ———— HYSTERESIS ...
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LTC490 PACKAGE DESCRIPTIO .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 OR PROTRUSIONS SHALL ...
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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 represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
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... Industry-Standard Pinout, 500ps Propagation Delay Skew LTC490/LTC491 Pin Compatible Highest Speed, LTC486/LTC487 Pin Compatible 15kV ESD, LTC490 Pin Compatible 15kV ESD, Fail-Safe (LT1785A) 15kV ESD, Fail-Safe (LT1791A), LTC491 Pin Compatible www.linear.com 490fb LT/TP 0104 1K REV B • PRINTED IN USA LINEAR TECHNOLOGY CORPORATION 1993 ...