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The MAX913 single and MAX912 dual high-speed, low-power comparators have differential inputs and complementary TTL outputs. Fast propagation delay (10ns typ), extremely low supply current, and a wide common-mode input range that includes the negative rail make the MAX912/MAX913 ideal for low-power, high-speed, single +5V (or ±5V) applications such as V/F converters or switching regulators.
The MAX912/MAX913 outputs remain stable through the linear region. This feature eliminates output instability common to high-speed comparators when driven with a slow-moving input signal.
The MAX912/MAX913 can be powered from a single +5V supply or a ±5V split supply. The MAX913 is an improved plug-in replacement for the LT1016. It provides significantly wider input voltage range and equivalent speed at a fraction of the power. The MAX912 dual comparator has equal performance to the MAX913 and includes independent latch controls.
MAX913 Maximum Ratings
Positive Supply Voltage.............................................................................7V Negative Supply Voltage .........................................................................-7V Differential Input Voltage ....................................................................±15V Input Voltage (Referred to V-)..................................................- 0.3V to 15V Latch Pin Voltage ..............................................................Equal to Supplies Continuous Output Current...............................................................±20mA Continuous Power Dissipation (TA = +70°C) 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ......................727mW 8-Pin SO (derate 5.88mW/°C above +70°C)...................................471mW 8-Pin CERDIP (derate 8.00mW/°C above +70°C)............................640mW 16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)...................842mW 16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ....................696mW 16-Pin CERDIP (derate 10.00mW/°C above +70°C)........................800mW Operating Temperature Ranges: MAX91_ C_ _ .........................................................................0°C to +70°C MAX91_ E_ _........................................................................-40°C to +85°C MAX91_ MJ_ ......................................................................-55°C to +125°C Storage Temperature Range .............................................-65°C to +150°C Lead Temperature (soldering, 10sec) ...............................................+300°C
MAX913 Features
Ultra Fast (10ns) Single +5V or Dual ±5V Supply Operation Input Range Extends Below Negative Supply Low Power: 6mA (+5V) Per Comparator No Minimum Input Signal Slew-Rate Requirement No Power-Supply Current Spiking Stable in the Linear Region Inputs Can Exceed Either Supply Low Offset Voltage: 0.8mV
MAX913 Typical Application
Zero-Crossing Detectors Ethernet Line Receivers Switching Regulators High-Speed Sampling Circuits High-Speed Triggers Extended Range V/F Converters Fast Pulse Width/Height Discriminators