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AD824:  Single Supply, Rail-to-Rail Low Power, FET-Input Quad Op Amp

Product Details


The AD824 is a quad, FET input, single supply amplifier, featuring rail-to-rail outputs. The combination of FET inputs and rail-to-rail outputs makes the AD824 useful in a wide variety of low voltage applications where low input current is a primary consideration.

The AD824 is guaranteed to operate from a 3 V single supply up to ±15 volt dual supplies.

Fabricated on ADI's complementary bipolar process, the AD824 has a unique input stage that allows the input voltage to safely extend beyond the negative supply and to the positive supply without any phase inversion or latchup. The output voltage swings to within 15 millivolts of the supplies. Capacitive loads to 350 pF can be handled without oscillation.

The FET input combined with laser trimming provides an input that has extremely low bias currents with guaranteed offsets below 300 µV. This enables high accuracy designs even with high source impedances. Precision is combined with low noise, making the AD824 ideal for use in battery powered medical equipment.

Applications for the AD824 include portable medical equipment, photo diode preamplifiers and high impedance transducer amplifiers.

The ability of the output to swing rail-to-rail enables designers to build multistage filters in single supply systems and maintain high signal-to-noise ratios.

The AD824 is specified over the extended industrial (-40°C to +85°C) temperature range and is available in 14-pin DIP and narrow 14-pin and 16-pin SO packages.

FEATURES and BENEFITS

  • Single Supply Operation: 3 V to 30 V
  • Very Low Input Bias Current: 2 pA
  • Wide Input Voltage Range
  • Rail-to-Rail Output Swing
  • Low Supply Current: 500 µA/Amp
  • Wide Bandwidth: 2 MHz
  • Slew Rate: 2 V/µs
  • No Phase Reversal

Pin Configuration Diagram for AD824

Documentation

Title Content Type File Type
AD824: Single Supply, Rail-to-Rail Low Power, FET-Input Op Amp Data Sheet (Rev D, 05/2014) (pdf, 1367 kB) Data Sheets PDF
AN-649: Using the Analog Devices Active Filter Design Tool  (pdf, 5301 kB) Application Notes PDF
AN-357: Operational Integrators  (pdf, 272 kB) Application Notes PDF
AN-106: A Collection of Amp Applications  (pdf, 1094 kB)
Examines Some of the Numerous and Widely Used Applications of the Operational Amplifier
Application Notes PDF
AN-253: Find Op Amp Noise with Spreadsheet  (pdf, 77 kB) Application Notes PDF
Low-Power, Low-Voltage IC Choices for ECG System Requirements
(Analog Dialogue, Vol. 29, No. 3, 1995)
Technical Articles HTML
Low-Power, Low-Voltage IC Choices for ECG System Requirements
(Analog Dialogue, Vol. 29, No. 3, 1995)
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
AD824 SPICE Macro-Model SPICE Models 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

AD824 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD824AR-14 Status: Production 14 ld SOIC 14 Ind Tube, 56 $6.16 $5.54 N  Material Info PCN/PDN Purchase
AD824AR-14-3V Status: Production 14 ld SOIC 14 Ind Tube, 56 $6.16 $5.54 N  Material Info PCN/PDN Purchase
AD824AR-14-3V-REEL Status: Production 14 ld SOIC 14 Ind Reel, 2500 - $5.54 N  Material Info PCN/PDN Purchase
AD824AR-14-REEL Status: Production 14 ld SOIC 14 Ind Reel, 2500 - $5.54 N  Material Info PCN/PDN Purchase
AD824AR-14-REEL7 Status: Production 14 ld SOIC 14 Ind Reel, 750 $6.16 $5.54 N  Material Info PCN/PDN Purchase
AD824ARZ-14 Status: Production 14 ld SOIC 14 Ind Tube, 56 $5.41 $4.87 Y  Material Info PCN Purchase
AD824ARZ-14-3V Status: Production 14 ld SOIC 14 Ind Tube, 56 $5.41 $4.87 Y  Material Info PCN Purchase
AD824ARZ-14-3V-RL Status: Production 14 ld SOIC 14 Ind Reel, 2500 - $4.87 Y  Material Info PCN Purchase
AD824ARZ-14-REEL Status: Production 14 ld SOIC 14 Ind Reel, 2500 - $4.87 Y  Material Info PCN Purchase
AD824ARZ-14-REEL7 Status: Production 14 ld SOIC 14 Ind Reel, 750 $5.41 $4.87 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.


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