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GENERAL DESCRIPTION

The ADCMP563/ADCMP564 are high speed comparators fabricated on Analog Devices’ proprietary XFCB process. The devices feature a 700 ps propagation delay with less than 75 ps overdrive dispersion. Dispersion, a measure of the difference in propagation delay under differing overdrive conditions, is a particularly important characteristic of high speed comparators.

FEATURES

Differential ECL-compatible outputs

700 ps propagation delay input to output

75 ps propagation delay dispersion

Input common-mode range: –2.0 V to +3.0 V

Robust input protection

Differential latch control

Internal latch pull-up resistors

Power supply rejection greater than 85 dB

700 ps minimum pulse width

1.5 GHz equivalent input rise time bandwidth

Typical output rise/fall time of 500 ps

ESD protection > 4kV HBM, >200V MM

Programmable hysteresis

APPLICATIONS

Automatic test equipment

High speed instrumentation

Scope and logic analyzer front ends

Window comparators

High speed line receivers

Threshold detection

Peak detection

High speed triggers

Patient diagnostics

Hand-held test instruments

Zero crossing detectors

Line receivers and signal restoration

Clock drivers