LTC6754 High Speed Rail-to-Rail Input Comparator with LVDS Compatible Outputs Fea T Descrip T n Low Propagation Delay: 1.8ns Typ. The LTC 6754 is a high speed rail-to-rail comparator with n Low Overdrive Dispersion: 1ns Typ. LVDS compatible outputs. The LTC6754 exhibits 1.8ns of propagation delay, only 1ns of dispersion (10mV to 125mV (10mV to 125mV Overdrive) n overdrive) and a toggle rate up to 890Mbps. High Toggle Rate: 890Mbps Typ. n LVDS Compatible Output Stage The LTC6754 has rail-to-rail inputs, and will operate from n Rail-to-Rail Inputs Extend Beyond Both Rails a 2.4V to 5.25V supply. For the QFN package, the LVDS n Low Quiescent Current: 13.4mA output is operated with a separate supply, providing isola- n Supply Range: 2.4V to 5.25V tion between input and output circuitry, and allowing for n Features within the LTC6754 Family: logic level translation. n Separate Input and Output Supplies In shutdown mode, power is reduced from 13.4mA to n Shutdown Pin for Reduced Power under 1.1mA, and the comparator can wake up in 120ns. n Output Latch and Adjustable Hysteresis n The LTC6754 includes 4.5mV of hysteresis to minimize SC70 and 3mm 3mm QFN Packages instability. For the QFN package, a separate pin is available to set the hysteresis from 0mV (off) up to 40mV. The QFN a T version also features output latching to provide the ability n Clock and Data Recovery to quickly capture the state of the comparator. n Level Translation The dispersion of only 1ns combined with excellent n High Speed Data Acquisition Systems propagation delay of 1.8ns makes the device an excel- n Window Comparators lent choice for timing critical applications. Similarly, the n High Speed Line Receivers 890Mbps toggle rate and low jitter of 1.5ps (200mV , RMS PP n Time Domain Reflectometry 245.76MHz input) make the LTC6754 ideally suited for n Time of Flight Measurements high frequency line driver and clock recovery circuits. n Cable Drivers L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Typical a T High Speed Differential Line Receiver and LVDS Translator with Excellent Common Mode Rejection +IN Q Q IN SMALL DIFFERENTIAL SIGNAL WITH LARGE COMMON MODE COMPONENT V Q Q +IN, IN CCI 100mV/DIV 200mV/DIV V CCO +IN Q + 0mV 700mV LTC6754 100 IN Q V EE 6754 T01a 6754 F16 20ns/DIV 6754f 1 For more information www.linear.com/LTC6754 ion pplica ions pplica ion uresLTC6754 a T e Maxi Mu M r a T (Note 1) Total Input Supply Voltage (V to V ) ..................5.5V Operating Temperature Range (Note 3) .. 40C to 125C EE CCI Total Output Supply Voltage (V to V )...............5.5V Specified Temperature Range (Note 4) EE CCO Input Voltage LTC6754I .............................................40C to 85C IN, +IN, LE/HYST, SHDN .......V 0.3V, V + 0.3V LTC6754H .......................................... 40C to 125C EE CCI Input Current Storage Temperature Range .................. 65C to 125C IN, +IN, LE/HYST, SHDN (Note 2) .................. 10mA Maximum Junction Temperature (Note 4) ............ 150C Output Current(Q, Q) ........................................... 20mA Lead Temperature Soldering (10 sec) (SC70 Only) .........................................300C c F T TOP VIEW 12 11 10 TOP VIEW Q 1 6 Q V 1 9 V CCO EE 13 V 2 5 V /V V 2 8 LE/HYST EE CCI CCO CCI V EE +IN 3 4 IN V SHDN 3 7 EE SC6 PACKAGE 4 5 6 6-LEAD PLASTIC SC70 T = 150C, = 256C/W (NOTE 3) JMAX JA UD PACKAGE 12-LEAD (3mm 3mm) PLASTIC QFN T = 150C, = 68C/W (NOTE 3) JMAX JA EXPOSED PAD (PIN 13) IS V , MUST BE SOLDERED TO PCB EE o r D i n F Ma T SPECIFIED LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE LTC6754ISC6 TRMPBF LTC6754ISC6 TRPBF LGVH 6-Lead Plastic SC-70 40C to 85C LTC6754HSC6 TRMPBF LTC6754HSC6 TRPBF LGVH 6-Lead Plastic SC-70 40C to 125C LTC6754IUD PBF LTC6754IUD TRPBF LGVJ 12-Lead Plastic QFN 40C to 85C LTC6754HUD PBF LTC6754HUD TRPBF LGVJ 12-Lead Plastic QFN 40C to 125C TRM = 500 pieces. *The temperature grade is identified by a label on the shipping container. Consult LTC Marketing for parts specified with wider operating temperature ranges. Consult LTC Marketing for information on nonstandard lead based finish parts. For more information on lead free part marking, go to: