AD8561| Datasheet

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FEATURES 7 ns Propagation Delay at 5 V Single Supply Operation: 3 V to 10 V Low Power Latch Function TSSOP Packages APPLICATIONS High Speed Timing Clock Recovery and Clock Distribution Line Receivers Digital Communications Phase Detectors High Speed Sampling Read Channel Detection PCMCIA Cards Upgrade for LT1016 Designs

Ultrafast 7 ns Single Supply Comparator AD8561
PIN CONFIGURATIONS 8-Lead Narrow Body SO (SO-8) 8-Lead Plastic DIP (N-8)

V IN IN V

OUT OUT GND LATCH

8 7 6

OUT OUT GND LATCH

IN 2 IN 3 V
4

AD8561

8-Lead TSSOP (RU-8)
V IN IN V 1 8 OUT OUT GND LATCH

AD8561
4 5

GENERAL DESCRIPTION

The AD8561 is a single 7 ns comparator with separate input and output sections. Separate supplies enable the input stage to be operated from 5 V dual supplies and +5 V single supplies. Fast 7 ns propagation delay makes the AD8561 a good choice for timing circuits and line receivers. Propagation delays for rising and falling signals are closely matched and track over temperature. This matched delay makes the AD8561 a good choice for clock recovery, since the duty cycle of the output will match the duty cycle of the input. The AD8561 has the same pinout as the LT1016, with lower supply current and a wider common-mode input range, which includes the negative supply rail. The AD8561 is specified over the industrial ( 40 C to +85 C) temperature range. The AD8561 is available in both the 8-lead plastic DIP, 8-lead TSSOP or narrow SO-8 surface mount packages.

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Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 Analog Devices, Inc., 1998