Overview

Features and Benefits

  • Differential PECL-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 > 4 kV HBM, >200 V MM 
  • Programmable hysteresis

Product Details

The ADCMP561/ADCMP562 are high speed comparators fabricated on Analog Devices, Inc., 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 comparators. A separate programmable hysteresis pin is available on the ADCMP562.

A differential input stage permits consistent 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 that are 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, which is included, permits tracking, track-and-hold, or sample-and-hold modes of operation. The latch input pins contain internal pull-ups that set the latch in tracking mode when left open.

The ADCMP561/ADCMP562 are specified over the industrial temperature range (−40°C to +85°C).

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
  • Disk drive read channel detection
  • Hand-held test instruments
  • Zero-crossing detectors
  • Line receivers and signal restoration
  • Clock drivers

Product Lifecycle icon-recommended Production

At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.

Evaluation Kits (1)

Reference Materials

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

PCN-PDN Information

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The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.


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Evaluation Boards Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.