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AD8468:  Rail-to-Rail, Fast, Low Power 2.5 V to 5.5 V, Single-Supply TTL/CMOS Comparator

Product Details

Product Status:Recommended for New Designs

The AD8468 is a fast comparator fabricated on XFCB2.0, an Analog Devices, Inc., proprietary process. This comparator is exceptionally versatile and easy to use. Features include an input range from VEE − 0.2 V to VCC + 0.2 V, low noise, TTL-/CMOScompatible output drivers, and shutdown inputs. The device offers 40 ns propagation delays driving a 15 pF load with 10 mV overdrive on 500 μA typical supply current.

A flexible power supply scheme allows the device to operate with a single 2.5 V positive supply and a −0.2 V to + 2.7 V input signal range up to a 5.5 V positive supply with a −0.2 V to +5.7 V input signal range.

The TTL-/CMOS-compatible output stage is designed to drive up to 15 pF with full rated timing specifications and to degrade in a graceful and linear fashion as additional capacitance is added. The input stage of the comparator offers robust protection against large input overdrive, and the outputs do not phase reverse when the valid input signal range is exceeded. The AD8468 is available in a tiny 6-lead SC70 package with a single-ended output and a shutdown pin.

Applications
  • Automotive applications
  • High speed instrumentation
  • Clock and data signal restoration
  • Logic level shifting or translation
  • High speed line receivers
  • Threshold detection
  • Peak and zero-crossing detectors
  • High speed trigger circuitry
  • Pulse-width modulators
  • Current-/voltage-controlled oscillators

FEATURES and BENEFITS

  • Fully specified rail to rail at VCC = 2.5 V to 5.5 V
  • Input common-mode voltage from −0.2 V to VCC + 0.2 V
  • Low glitch CMOS-/TTL-compatible output stage
  • 40 ns propagation delay
  • Low power: 1 mW at 2.5 V
  • Shutdown pin
  • Power supply rejection > 60 dB
  • −40°C to +125°C operation
  • AEC–Q100 Qualified

Evaluation Kits & Symbols & Footprints

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

SampleSample & Buy

Price, packaging, availability

AD8468 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD8468WBKSZ-R7 Status: Production 6 ld SC70 6 Auto Reel, 3000 $0.89 $0.80 Y  Material Info Notify Me Purchase Sample
AD8468WBKSZ-RL Status: Production 6 ld SC70 6 Auto Reel, 10000 $0.89 $0.80 Y  Material Info Notify Me Purchase
Price Table Help

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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