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ADCMP567 Datasheet(PDF) 1 Page - Analog Devices |
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ADCMP567 Datasheet(HTML) 1 Page - Analog Devices |
1 / 17 page Dual Ultrafast Voltage Comparator ADCMP567 Rev. 0 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 that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.326.8703 © 2003 Analog Devices, Inc. All rights reserved. FEATURES 250 ps propagation delay input to output 50 ps propagation delay dispersion Differential PECL compatible outputs Differential latch control Robust input protection Input common-mode range −2.0 V to +3.0 V Input differential range ±5 V ESD protection >3 kV HBM, >200 V MM Power supply sensitivity >65 dB 200 ps minimum pulsewidth 5 GHz equivalent input rise time bandwidth Typical output rise/fall of 165 ps APPLICATIONS High speed instrumentation Scope and logic analyzer front ends Window comparators High speed line receivers and signal restoration Threshold detection Peak detection High speed triggers Patient diagnostics Disk drive read channel detection Hand-held test instruments Zero-crossing detectors Clock drivers Automatic test equipment FUNCTIONAL BLOCK DIAGRAM 03632-0-001 NONINVERTING INPUT INVERTING INPUT LATCH ENABLE INPUT Q OUTPUT Q OUTPUT LATCH ENABLE INPUT ADCMP567 Figure 1. GENERAL DESCRIPTION The ADCMP567 is an ultrafast voltage comparator fabricated on Analog Devices’ proprietary XFCB process. The device features 250 ps propagation delay with less than 35 ps overdrive dispersion. Overdrive dispersion, a particularly important characteristic of high speed comparators, is a measure of the difference in propagation delay under differing overdrive conditions. A fast, high precision differential input stage permits consis- tent propagation delay with a wide variety of signals in the common-mode range from −2.0 V to +3.0 V. Outputs are complementary digital signals fully compatible with PECL 10 K and 10 KH logic families. The outputs provide sufficient drive current to directly drive transmission lines terminated in 50 Ω to VDD − 2 V. A latch input is included, which permits tracking, track-and-hold, or sample-and-hold modes of operation. The ADCMP567 is available in a 32-lead LFCSP package. |
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