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ADCMP553:  Single - Supply, High Speed PECL Comparator in an 8-lead MSOP Package

Product Details

The ADCMP551/ADCMP552/ADCMP553 are single supply, high speed comparators fabricated on Analog Devices’ proprietary XFCB process. The devices feature a 750 ps propagation delay with less than 150 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. A separate programmable hysteresis pin is available on the ADCMP552.

A differential input stage permits consistent propagation delay with a common-mode range from –0.2 V to VCCI – 2.0 V. Outputs are complementary digital signals 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 . to VCCO - 2 V. A latch input is included and permits tracking, track-and-hold, or sample-and-hold modes of operation. The latch input pins contain internal pullups that set the latch in tracking mode when left open.

The ADCMP551/ADCMP552/ADCMP553 are specified over the –40°C to +85°C industrial temperature range. The ADCMP551 is available in a 16-lead QSOP package; the ADCMP552 is available in a 20-lead QSOP package; and the ADCMP553 is available in an 8-lead MSOP package.


  • Chinese data sheet available
  • Single Power Supply
  • 750 ps Propagation Delay Input to Output
  • 100 ps Propagation Delay Dispersion
  • Differential PECL Compatible Outputs
  • Differential Latch Control
  • Power Supply Rejection Greater than 70 dB
  • Internal Latch Pull-up Resistors
  • 750 ps Minimum Pulse Width
  • Equivalent Input Rise Time
    Bandwidth > 750 MHz
  • Typical Output Rise/Fall of 500 ps
  • Programmable Hysteresis

Functional Block Diagram for ADCMP553

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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.

ADCMP553 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
EVAL-ADCMP553BRMZ Status: Production Evaluation Board $59.00 Yes -

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.

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