AD8561ARZ-REEL Electronic IC Chip Ultrafast 7 ns Single Supply Comparator

Ultrafast 7 ns Single Supply Comparator AD8561

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

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.

PIN CONFIGURATIONS

ABSOLUTE MAXIMUM RATINGS

Total Analog Supply Voltage . . . . . . . . . . . . . . . . . . . . . +14 V

Digital Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . +14 V

Analog Positive Supply–Digital Positive Supply . . . . . –600 mV

Input Voltage¹ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±7 V

Differential Input Voltage . . . . . . . . . . . . . . . . . . . . . . . .  ±8 V

Output Short-Circuit Duration to GND . . . . . . . . . Indefinite

Storage Temperature Range

    N, R, RU Package . . . . . . . . . . . . . . . . . . –65°C to +150°C

Operating Temperature Range . . . . . . . . . . . –40°C to +85°C

Junction Temperature Range

    N, R, RU Package . . . . . . . . . . . . . . . . . . –65°C to +150°C

Lead Temperature Range (Soldering, 10 sec) . . . . . . .+350°C

NOTES 1 The analog input voltage is equal to ±7 V or the analog supply voltage, whichever is less.

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