Features

• UltraFast: 4ns at 20mV Overdrive
• 150MHz Toggle Frequency
• Separate Input and Output Power Supplies
• Low Power: 4.6mA per Comparator at 3V
• Pinout Optimized for High Speed Use
• Output Optimized for 3V and 5V Supplies
• TTL/CMOS Compatible Rail-to-Rail Output
• Input Voltage Range Extends 100mV Below Negative Rail
• Internal Hysteresis with Specified Limits
• Specified for –40°C to 125°C Temperature Range
• Available in the 10-pin MSOP Package

Typical Application

Description

The LT®1715 is an UltraFast™ dual comparator optimized for low voltage operation. Separate supplies allow independent analog input ranges and output logic levels with no loss of performance. The input voltage range extends from 100mV below V_EE to 1.2V below V_CC.Internal hysteresis makes the LT1715 easy to use even with slow moving input signals. The rail-to-rail outputs directly interface to TTL and CMOS. The symmetric output drive results in similar rise and fall times that can be harnessed for analog applications or for easy translation to other single supply logic levels.

The LT1715 is available in the 10-pin MSOP package. The pinout of the LT1715 minimizes parasitic effects by placing the most sensitive inputs away from the outputs, shielded by the power rails.

For a dual/quad single supply comparator with similar propagation delay, see the LT1720/LT1721. For a single comparator with similar propagation delay,see the LT1719.