AD8564

PRODUCTION

Quad 7 ns Single Supply Comparator

Data Sheet (Rev. B) Product Selection Table
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Overview

  • 5 V single-supply operation 
  • 7 ns propagation delay 
  • Low power 
  • Separate input and output sections 
  • TTL/CMOS logic-compatible outputs 
  • Wide output swing 
  • TSSOP, SOIC, and PDIP packages 

The AD8564 is a quad 7 ns comparator with separate input and output supplies, thus enabling the input stage to be operated from ±5 V dual supplies or a 5 V single supply while maintaining a CMOS-/TTL-compatible output.

Fast 7 ns propagation delay makes the AD8564 a good choice for timing circuits and line receivers. Independent analog and digital supplies provide excellent protection from supply pin interaction. The AD8564 is pin compatible with the MAX901 and has lower supply currents.

All four comparators have similar propagation delays. The propagation delay for rising and falling signals is similar, and tracks over temperature and voltage. These characteristics make the AD8564 a good choice for high speed timing and data communications circuits. For a similar single comparator with latch function, refer to the AD8561 data sheet.

The AD8564 is specified over the industrial temperature range (−40°C to +125°C). The quad AD8564 is available in the 16-lead TSSOP, 16-lead narrow body SOIC, and 16-lead plastic DIP packages.

APPLICATIONS

  • High speed timing
  • Line receivers
  • Data communications
  • High speed V-to-F converters
  • Battery operated instrumentation
  • High speed sampling systems
  • Window comparators
  • PCMCIA cards
  • Upgrade for MAX901 designs

AD8564
Quad 7 ns Single Supply Comparator
AD8564 Functional Block Diagram AD8564 Pin Configuration AD8564 Pin Configuration
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Documentation

Data Sheet 1

Application Note 2

Frequently Asked Question 1

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Tools & Simulations

Precision DAC Error Budget Tool

The Precision DAC Error Budget Tool is a web application that calculates the DC Accuracy of precision DAC signal chains. It shows how the static errors accumulate throughout your signal chain to quickly evaluate the design tradeoffs. Calculations include the DC errors introduced by Voltage References, Operation Amplifiers and Precision DACs.

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Latest Discussions

1 Years Ago
Can AD8564 work with V+DIG = 3.3V?
2 Years Ago
New Interceptor Setup for Amplifiers
2 Years Ago
Absolute supply voltage between Analog positive supply and Digital positive supply in AD8564
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