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AD524:  Precision Instrumentation Amplifier

Product Details


The AD524 is a precision monolithic instrumentation amplifier designed for data acquisition applications requiring high accuracy under worst-case operating conditions. An outstanding combination of high linearity, high common mode rejection, low offset voltage drift, and low noise makes the AD524 suitable for use in many data acquisition systems.

The AD524 has an output offset voltage drift of less than 25 µV/ °C, input offset voltage drift of less than 0.5 µV/°C, CMR above 90 dB at unity gain (120 dB at G = 1000) and maximum nonlinearity of 0.003% at G = 1. In addition to the outstanding dc specifications the AD524 also has a 25MHz gain bandwidth product (G = 1000). To make it suitable for high speed data ac-quisition systems the AD524 has an output slew rate of 5 V/µs and settles in 15µs to 0.01% for gains of 1 to 100.

As a complete amplifier the AD524 does not require any external components for fixed gains of 1, 10, 100 and 1,000. For other gain settings between 1 and 1000 only a single resistor is required. The AD524 input is fully protected for both power on and power off fault conditions.

The AD524 IC instrumentation amplifier is available in four different versions of accuracy and operating temperature range. The economical "A" grade, the low drift "B" grade and lower drift, higher linearity "C" grade are specified from -25°C to +85°C. The "S" grade guarantees performance to specification over the extended temperature range -55°C to +125°C. Devices are available in 16-pin ceramic DIP and SOIC packages and a 20-terminal leadless chip carrier.

Product Highlights

  1. The AD524 has guaranteed low offset voltage, offset voltage drift, and low noise for precision high gain applications.
  2. The AD524 is functionally complete with pin program- mable gains of 1, 10, 100, and 1000, and single resistor programmable for any gain.
  3. Input and output offset nulling terminals are provided for very high precision applications and to minimize offset voltage changes in gain ranging applications.
  4. The AD524 is input protected for both power-on and power-off fault conditions.
  5. The AD524 offers superior dynamic performance with a gain bandwidth product of 25 MHz, full power response of 75 kHz and a settling time of 15 μs to 0.01% of a 20 V step (G = 100).

Data Sheet, Rev. F, 11/07

FEATURES and BENEFITS

  • Low Noise: 0.3 µV p-p 0.1 Hz to 10 Hz
  • Low Nonlinearity: 0.003% (G = 1)
  • High CMRR: 120 dB (G = 1000)
  • Low Offset Voltage: 50 µV
  • Low Offset Voltage Drift: 0.5 µV/°C
  • Gain Bandwidth Product: 25 MHz
  • Available in tape and reel in accordance with EIA-481A
  • Pin Programmable Gains of 1, 10, 100, 1000
  • Input Protection, Power On–Power Off
  • No External Components Required
  • Internally Compensated
  • MIL-STD-883B and Chips Available
  • 16-lead ceramic DIP and SOIC packages and 20-terminal leadless chip carrier available
  • Standard military drawing also available

Functional Block Diagram for AD524

Documentation

Title Content Type File Type
AD524: Precision Instrumentation Amplifier Data Sheet (Rev F, 11/2007) (pdf, 608 kB) Data Sheets PDF
AD524 Military Data Sheet  (Rev E, 03/2005) (pdf) Data Sheets PDF
AN-282: Fundamentals of Sampled Data Systems  (pdf, 2131 kB) Application Notes PDF
AN-244: A User's Guide to I.C. Instrumentation Amplifiers  (pdf, 522 kB) Application Notes PDF
AN-245: Instrumentation Amplifiers Solve Unusual Design Problems  (pdf, 543 kB)
Traditionally Considered Only for Transducer-Conditioning Applications, Instrumentation Amplifiers Bring Unique Performance Benefits to a Range of Other Applications as Well.
Application Notes PDF
AN-671: Reducing RFI Rectification Errors in In-Amp Circuits  (pdf, 208 kB) Application Notes PDF
AN-307: Modem-Circuit Techniques Simplify Instrumentation Designs  (pdf, 890 kB)
A commutating modem circuit, whether an IC or pc-board, can serve as a building block for many measurement-system functions, reducing noise and ensuring the integrity of transmitted data.
Application Notes PDF
AN-306: Synchronous System Measures µΩs  (pdf, 37 kB)
Synchronous Detection Scheme Measures Low Resistances
Application Notes PDF
AN-589: Ways to Optimize the Performance of a Difference Amplifier  (pdf, 115 kB)
This Application Note presents several ways to build and optimize the performance of a discrete difference amplifier. It also recommends amplifiers that will make the overall solution cost/performance competitive with monolithic instrument amplifiers.
Application Notes PDF
AN-202: An IC Amplifier User’s Guide to Decoupling, Grounding, and Making Things Go Right for a Change  (pdf, 76 kB) Application Notes PDF
A Designer's Guide to Instrumentation Amplifiers (3rd Edition) Design Handbooks HTML
ADI Warns Against Misuse of COTS Integrated Circuits  (pdf, 13 kB)
(Revised 1/03)
Invites Customer Participation in Creative Mil/Aero System Solutions
Recommended Reading PDF
Auto-Zero Amplifiers  (doc, 75 kB)
A wide variety of electronic applications, especially those involving very small input signals, require signal paths with very low offset voltage and offset voltage drift over time and temperature.
Technical Articles DOC
High-performance Adder Uses Instrumentation Amplifiers
Make an adder circuit using instrumentation amplifiers to increase input impedance.
(EDN, 9/3/2009)
Technical Articles HTML
Input Filter Prevents Instrumentation-amp RF-Rectification Errors
by Charles Kitchin, Lew Counts, and Moshe Gerstenhaber, Analog Devices, Inc. (EDN, 11/13/2003)
Technical Articles HTML
The AD8221 - Setting a New Industry Standard for Instrumentation Amplifiers  (pdf, 582 kB) Technical Articles PDF
Applying Instrumentation Amplifiers Effectively: The Importance of an Input Ground Return  (pdf, 508 kB) Technical Documentation PDF
PCN#00-406  (pdf, 14 kB)
(4/14/00)
Product Change notice for change of Analog Devices, Inc. Aerospace Product Line standard product from 883 Class S to MIL-PRF-38535, level V.
Aerospace Information PDF
Aerospace Dice  (pdf, 196 kB)
(Revised 1/2006)
Many Analog Devices products can be purchased as Class K die.
Aerospace Information PDF
Standard Space Level Products Program  (pdf, 39 kB)
This brochure describes the standard flow and how to order Analog Devices, Inc. standard product for Space Level not available as JAN, or QML. It replaces the Standard Class S brochure.
Aerospace Information PDF
Space Qualified Parts List  (pdf, 93 kB)
This document lists 67 (240+) space level products that are available from Analog Devices. Many of the products listed are state-of-the-art data conversion and signal processing products that were previously only available as commercial or military Class B products. Through our Space Products Group and MIL-PRF-38535 certified Level V (Class S) facility, we are pleased to offer these products to the space marketplace.
Aerospace Information PDF
Leading Inside Advertorials: Applying Instrumentation Amplifiers Effectively–The Importance of an Input Ground Return  (pdf, 121 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Design Tools,Models,Drivers & Software

Title Content Type File Type
In-Amp Error Calculator
These tools will help estimate error contributions in your instrumentation amplifier circuit. It uses input parameters such as temperature, gain, voltage input, and source impedance to determine the errors that can contribute to your overall design.
Design Calculators HTML

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

AD524 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
5962-8853901EA Status: Production 16 ld Side-Brazed CerDIP 16 Mil Tube, 23 $66.83 $60.41 N  Material Info PCN Purchase
AD524AD Status: Production 16 ld Side-Brazed CerDip 16 Ind Tube, 23 $21.20 $19.16 N  Material Info PCN Purchase
AD524ADZ Status: Production 16 ld Side-Brazed CerDip 16 Ind Tube, 23 $20.32 $18.37 Y  Material Info PCN Purchase
AD524AR-16 Status: Production 16 ld SOIC - Wide 16 Ind Tube, 47 $10.98 $10.98 N  Material Info PCN Purchase
AD524AR-16-REEL Status: Production 16 ld SOIC - Wide 16 Ind Reel, 1000 $10.98 $10.76 N  Material Info PCN/PDN Purchase
AD524ARZ-16 Status: Production 16 ld SOIC - Wide 16 Ind Tube, 47 $9.71 $9.52 Y  Material Info PCN Purchase
AD524ARZ-16-REEL7 Status: Production 16 ld SOIC - Wide 16 Ind Reel, 400 $9.71 $9.52 Y  Material Info PCN Purchase
AD524BD Status: Production 16 ld Side-Brazed CerDip 16 Ind Tube, 23 $30.39 $27.49 N  Material Info PCN Purchase
AD524BDZ Status: Production 16 ld Side-Brazed CerDip 16 Ind Tube, 23 $26.90 $24.31 Y  Material Info PCN Purchase
AD524BE Status: Production LCC:CER LEADLESS CHIP CARR 20 Ind Tube, 54 $39.14 $39.14 Y  Material Info PCN Purchase
AD524CD Status: Production 16 ld Side-Brazed CerDip 16 Ind Tube, 23 $44.40 $40.13 N  Material Info PCN Purchase
AD524CDZ Status: Production 16 ld Side-Brazed CerDip 16 Ind Tube, 23 $39.30 $35.52 Y  Material Info PCN Purchase
AD524SCHIPS Status: Production CHIPS OR DIE 0 Mil Tray, 88 - - Y  Material Info Notify Me Contact ADI
AD524SD Status: Production 16 ld Side-Brazed CerDip 16 Mil Tube, 23 $38.75 $35.02 N  Material Info PCN Purchase
AD524SD/883B Status: Production 16 ld Side-Brazed CerDip 16 Mil Tube, 23 $60.60 $54.78 N  Material Info PCN Purchase
AD524SE/883B Status: Production LCC:CER LEADLESS CHIP CARR 20 Mil Tube, 54 $90.91 $82.18 N  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.


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