Datasheet LTC6752, LTC6752-1, LTC6752-2, LTC6752-3, LTC6752-4 (Analog Devices)

LTC6752/LTC6752-1/ LTC6752-2/LTC6752-3/ LTC6752-4 280MHz, 2.9ns Comparator Family with Rail-to-Rail Inputs and CMOS Outputs
FeaTures DescripTion
n
Very High Toggle Rate: 280MHz
The LTC®6752 is a family of very high speed comparators n
Low Propagation Delay: 2.9ns
capable of supporting toggle rates up to 280MHz. These n Rail-to-Rail Inputs Extend Beyond Both Rails comparators exhibit low propagation delays of 2.9ns, and n Output Current Capability: ±22mA fast rise/fall times of 1.2ns. There are a total of 5 members n Low Quiescent Current: 4.5mA in the LTC6752 family, with different options for separate n Features within the LTC6752 Family: input and output supplies, shutdown, output latch, adjust- n 2.45V to 5.25V Input Supply and 1.71V to 3.5V able hysteresis, complementary outputs, and package. Output Supply (Separate Supply Option) The LTC6752 comparators have rail-to-rail inputs that n 2.45V to 3.5V Supply (Single Supply Option) operate from 2.45V, up to 3.5V or 5.25V, depending on n Shutdown Pin for Reduced Power the option. The outputs are CMOS and the separate supply n Output Latch and Adjustable Hysteresis options can operate down to 1.71V, allowing for directly n Complementary Outputs interfacing to 1.8V logic devices. n Packages: TSOT-23, SC70, MSOP, 3mm × 3mm QFN n Direct Replacement for ADCMP60X Family The low propagation delay of only 2.9ns combined with n Fully Specified from –55°C to 125°C low dispersion of only 1.8ns (10mV to 125mV overdrive variation) makes these comparators an excellent choice for critical timing applications. Similarly, the fast toggle
applicaTions
rate and the low jitter of 4.5ps RMS (100mVP-P, 100MHz n input) make the LTC6752 family ideally suited for high Clock and Data Recovery n frequency line driver and clock recovery circuits. Level Shifting n High Speed Data Acquisition Systems L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Analog Devices, Inc. All other trademarks are the property of their respective owners. n Window Comparators n High Speed Line Receivers n Fast Crystal Oscillators n Time of Flight Measurements n Time Domain Reflectometry
Typical applicaTion High Speed Differential Line Receiver with Excellent
Q –IN +IN
Common Mode Rejection
SMALL DIFFERENTIAL SIGNAL WITH 500mV/DIV LARGE COMMON MODE COMPONENT VCC = 5V +IN + VDD = 2.7V Q LTC6752-2 –IN – VEE 50ns/DIV 6752 T01a 6752 T01a 6752fc For more information www.linear.com/LTC6752 1 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics DC Typical Performance Characteristics AC Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts