LT685 - High Speed Comparator

The LT685 is an ultrafast Comparator with differential inputs and complementary outputs fully compatible with ECL Logic levels. The output current capability is adequate for driving transmission lines terminated in 50 Ohm. The low input offset and high resolution make this Comparator ideally suited for Analog-to-digital signal processing applications. A latch function is provided to allow the Comparator to be used in a sample-hold mode. When the latch enable input is ECL high, the Comparator functions normally. When the latch enable is driven low, the Comparator outputs are locked in their existing logical states. If the latch function is not used, the latch enable must be connected to ground or ECL high. The device is pin-compatible with the Am685. Hysteresis has been added to improve switching time with slow input signals as well as to minimize oscillation. A single resistor between the hysteresis pin and V adds input hysteresis voltage as more current is drawn. If hysteresis is not required, the pin CAN be left unconnected.
By Linear Technology Corporation
LT685 's PackagesLT685 's pdf datasheet

LT685 Pinout, Pinouts
LT685 pinout,Pin out
This is one package pinout of LT685,If you need more pinouts please download LT685's pdf datasheet.

LT685 Application circuits
LT685 circuits
This is one application circuit of LT685,If you need more circuits,please download LT685's pdf datasheet.

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