LTC1687IS Linear Technology, LTC1687IS Datasheet
LTC1687IS
Specifications of LTC1687IS
Available stocks
Related parts for LTC1687IS
LTC1687IS Summary of contents
Page 1
... Receiver input resistance remains 22k when the device is unpowered or disabled. The LTC1686/LTC1687 operate from a single 5V supply and draw only 7mA of supply current. , LTC and LT are registered trademarks of Linear Technology Corporation. LTC1686 2V/DIV 100 RECEIVER ...
Page 2
... V = 12V 5.25V – 7V 5.25V – 12V – 4mA 300mV OUT ID ) ........................................ Indefinite DD TOP VIEW ORDER PART 14 V NUMBER LTC1687CS 11 B LTC1687IS PACKAGE = 125 MIN TYP MAX V DD 2 0.2 2 0.8 – 500 – 500 – 0.3 0.3 25 3.5 4.8 UNITS ...
Page 3
DC ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER V Receiver Output Low Voltage OL I Three-State (High Impedance) Output OZR Current at Receiver I Three-State (High Impedance) Output OZD Current at Driver C Receiver and Driver Output Load Capacitance (Note 4) LOAD I ...
Page 4
LTC1686/LTC1687 U SWITCHING CHARACTERISTICS SYMBOL PARAMETER Minimum Input Pulse Width Maximum Data Rate Maximum Input Frequency The denotes specifications which apply over the full operating temperature range. Note 1: Absolute Maximum Ratings are those values beyond which the life of ...
Page 5
W U TYPICAL PERFORMANCE CHARACTERISTICS Receiver Propagation Delay vs Temperature 125 –50 – 100 TEMPERATURE ( C) 1686/87 G09 Driver Propagation Delay vs Driver Input Voltage ...
Page 6
LTC1686/LTC1687 PIN FUNCTIONS DE (Pin 4): Driver Enable high enables the driver low will force the driver output into a high impedance state. Do not float. D (Pin 5): Driver Input. Controls the ...
Page 7
U W SWITCHI WAVEFOR 1 – ...
Page 8
LTC1686/LTC1687 U U EQUIVALE T I PUT NETWORKS APPLICATIONS INFORMATION THEORY OF OPERATION Unlike typical CMOS transceivers whose propagation delay can vary by as much as 500% from package to package and show significant temperature drift, ...
Page 9
U U APPLICATIONS INFORMATION (the converse applies for the “B” output). The outputs then appear as 10mA current sources. Note that under normal operation, the output drivers can sink/source >50mA. A time-out period of about 50ns is used in order ...
Page 10
LTC1686/LTC1687 U U APPLICATIONS INFORMATION 2V/DIV 2V/DIV 10ns/DIV Figure 11a. 100 Feet of Category 5 UTP: 50Mbps 2V/DIV CABLE DELAY 2V/DIV 5V/DIV 20ns/DIV Figure 11b. 100 Feet of Category 5 UTP: 20ns Pulse 2V/DIV 2V/DIV 100ns/DIV Figure 12. 1000 Feet ...
Page 11
... 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. ...
Page 12
... Pin Compatible with LTC485 0.189 – 0.197* (4.801 – 5.004 0.150 – 0.157** (3.810 – 3.988) SO8 0996 0.337 – 0.344* (8.560 – 8.738 0.150 – 0.157** (3.810 – 3.988) S14 0695 16867fs, sn16867 LT/TP 1197 4K • PRINTED IN THE USA LINEAR TECHNOLOGY CORPORATION 1997 ...