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AD8674:  Precision Low Noise, Low Input Bias Current, Quad Op Amp

Product Details


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The AD8671/AD8672/AD8674 are very high precision amplifiers featuring very low noise, very low offset voltage and drift, low input bias current, 10 MHz bandwidth, and low power consumption. Outputs are stable with capacitive loads of over 1000 pF. Supply current is less than 3 mA per amplifier at 30 V.

The AD8671/AD8672/AD8674’s combination of ultralow noise, high precision, speed, and stability is unmatched. The MSOP version of the AD8671/AD8672 requires only half the board space of comparable amplifiers.

Applications for these amplifiers include high quality PLL filters, precision filters, medical and analytical instrumentation, precision power supply controls, ATE, data acquisition, and precision controls as well as professional quality audio.

The AD8671/AD8672 are specified over the extended industrial temperature range (−40°C to +125°C), and the AD8674 is specified over the industrial temperature range (−40°C to +85°C).

The AD8671/AD8672 are available in the 8-lead SOIC and 8-lead MSOP packages. The AD8674 is available in 14-lead SOIC and 14-lead TSSOP packages.

Surface-mount devices in MSOP packages are available in tape and reel only.

APPLICATIONS
  • PLL filters
  • Filters for GPS
  • Instrumentation
  • Sensors and controls
  • Professional quality audio

FEATURES and BENEFITS

  • Very low noise:
    2.8 nV/√Hz, 77 nV p-p
  • Wide Bandwidth: 10MHz
  • Low Input Bias Current:
    12 nA max
  • Low Offset Voltage: 75 µV max
  • High open loop gain: 120 dB min
  • Low supply current:
    3 mA typ per amplifier
  • Dual supply operation:
    ±5V to ±15V
  • Unity Gain Stable
  • No Phase Reversal

Pin Configuration Diagram for AD8674

Documentation

Title Content Type File Type
AD8671/AD8672/AD8674: Precision, Very Low Noise, Low Input Bias Current Operational Amplifiers Data Sheet (Rev F, 03/2013) (pdf, 459 kB) Data Sheets PDF
AN-940: Low Noise Amplifier Selection Guide for Optimal Noise Performance  (pdf, 199 kB) Application Notes PDF
AN-649: Using the Analog Devices Active Filter Design Tool  (pdf, 5301 kB) Application Notes PDF
AN-358: Noise and Operational Amplifier Circuits  (pdf, 593 kB) Application Notes PDF
Op-Amp Issues--Noise Analog Dialogue HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
AD8674 SPICE Model SPICE Models HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

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

AD8674 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD8674ARU Status: Last Time Buy 14 ld TSSOP 14 Ind Tube, 96 $4.66 $3.93 N  Material Info PCN/PDN Purchase
AD8674ARUZ Status: Production 14 ld TSSOP 14 Ind Tube, 96 $3.85 $3.24 Y  Material Info PCN Purchase Sample
AD8674ARUZ-REEL Status: Production 14 ld TSSOP 14 Ind Reel, 2500 - $3.24 Y  Material Info PCN Purchase
AD8674ARZ Status: Production 14 ld SOIC 14 Ind Tube, 56 $3.85 $3.24 Y  Material Info PCN Purchase Sample
AD8674ARZ-REEL Status: Production 14 ld SOIC 14 Ind Reel, 2500 - $3.24 Y  Material Info PCN Purchase
AD8674ARZ-REEL7 Status: Production 14 ld SOIC 14 Ind Reel, 1000 - $3.24 Y  Material Info PCN 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.

EVAL-OPAMP-4 Evaluation Board
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EVAL-PRAOPAMP-4RZ Status: Production Quad R-14 lead SOIC Evaluation Board $20.19 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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