OP400

NOT RECOMMENDED FOR NEW DESIGNS

Low Offset, Low Power Quad Op Amp

Data Sheet (Rev. I) Product Selection Table

Part Models: 12
1ku List Price: Starting From $7.32

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Overview

Low input offset voltage: 150 μV maximum
Low offset voltage drift over –55°C to +125°C:
1.2 μV/°C maximum
Low supply current (per amplifier):
725 μA maximum
High open-loop gain: 5000 V/mV minimum
Input bias current: 3 nA maximum
Low noise voltage density: 11 nV/√Hz at 1 kHz
Stable with large capacitive loads:
10 nF typical
Available in die form

The OP400 is the first monolithic quad operational amplifier that features OP77-type performance. Precision performance is not sacrificed with the OP400 to obtain the space and cost savings offered by quad amplifiers.

The OP400 features an extremely low input offset voltage of less than 150 μV with a drift of less than 1.2 μV/°C, guaranteed over the full military temperature range. Open-loop gain of the OP400 is more than 5 million into a 10 kΩ load, input bias current is less than 3 nA, CMR is more than 120 dB, and PSRR is less than 1.8 μV/V. On-chip Zener zap trimming is used to achieve the low input offset voltage of the OP400 and eliminates the need for offset nulling. The OP400 conforms to the industrystandard quad pinout, which does not have null terminals.

The OP400 features low power consumption, drawing less than 725 μA per amplifier. The total current drawn by this quad amplifier is less than that of a single OP07, yet the OP400 offers significant improvements over this industry-standard op amp. Voltage noise density of the OP400 is a low 11 nV/√Hz at 10 Hz, half that of most competitive devices.

The OP400 is an ideal choice for applications requiring multiple precision operational amplifiers and where low power consumption is critical.

Part Models: 12
1ku List Price: Starting From $7.32

Documentation

Data Sheet 2

OP400: Quad Low Offset, Low Power Operational Amplifier Data Sheet (Rev.I) 11/01/2006

OP400: Military Data Sheet 01/01/2000

Application Note 2

AN-256: Accurately Testing Op Amp Settling Times 02/14/2015

AN-357: Operational Integrators 02/14/2015

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
5962-8777101M3A	28 ld LCC	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
5962-8777101MCA	14-Lead CerDIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400AY	14-Lead CerDIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400EY	14-Lead CerDIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400FY	14-Lead CerDIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400GBC	none available	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400GPZ	14-Lead PDIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400GSZ	16-Lead SOIC Wide	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400GSZ-REEL	16-Lead SOIC Wide	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400HPZ	14-Lead PDIP	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400HSZ	16-Lead SOIC Wide	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
OP400HSZ-REEL	16-Lead SOIC Wide	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 11, 2025 - 25_0151 Qualification of Wafer Fabrication Site Analog Devices, Inc. Camas WA for (6um Bipolar) Products
		PCN25_0151_Form Material_Report Qualification Results Summary
5962-8777101M3A	PRODUCTION
5962-8777101MCA	PRODUCTION
OP400AY	PRODUCTION
OP400EY	PRODUCTION
OP400FY
OP400GBC	PRODUCTION
OP400GPZ	PRODUCTION
OP400GSZ	PRODUCTION
OP400GSZ-REEL	PRODUCTION
OP400HPZ	PRODUCTION
OP400HSZ	PRODUCTION
OP400HSZ-REEL	PRODUCTION
Apr 9, 2018 - 16_0026 Qualify TeamQuest Technology, Inc. for Burn-in and Life Test of Military and Aerospace Devices
		PCN16_0026_Form Material_Report Qualification Results Summary
5962-8777101M3A	PRODUCTION
5962-8777101MCA	PRODUCTION
Sep 7, 2017 - 17_0079 Qualification of TeamQuest Technology Inc., Philippines as an Alternate Test Site for TC-Vos Testing
		PCN17_0079_Form Material_Report Test Correlation Report
5962-8777101M3A	PRODUCTION
5962-8777101MCA	PRODUCTION
OP400AY	PRODUCTION
OP400EY	PRODUCTION
OP400FY
OP400GBC	PRODUCTION
OP400GPZ	PRODUCTION
OP400GSZ	PRODUCTION
OP400HPZ	PRODUCTION
OP400HSZ	PRODUCTION
OP400HSZ-REEL	PRODUCTION
Jun 6, 2012 - 12_0066 Add capacity for Burn In of Hermetic, 883 & QMLQ/Class B devices at TSSI Cavite
		PCN12_0066_Form Material_Report Qualification Report Summary
5962-8777101M3A	PRODUCTION
5962-8777101MCA	PRODUCTION
Nov 9, 2011 - 11_0050 Transfer of ADI Hermetics Assembly location from Paranaque, Manila to General Trias, Cavite Philippines
		PCN11_0050_Form Material_Report
5962-8777101M3A	PRODUCTION
5962-8777101MCA	PRODUCTION
OP400AY	PRODUCTION
OP400EY	PRODUCTION
OP400FY
Nov 9, 2011 - 11_0182 Test Site Transfer from Analog Devices Philippines Inc in Paranaque to Analog Devices General Trias in Cavite, Philippines
		PCN11_0182_Form Material_Report
5962-8777101M3A	PRODUCTION
5962-8777101MCA	PRODUCTION
OP400AY	PRODUCTION
OP400EY	PRODUCTION
OP400FY
OP400GPZ	PRODUCTION
OP400GSZ	PRODUCTION
OP400GSZ-REEL	PRODUCTION
OP400HPZ	PRODUCTION
OP400HSZ	PRODUCTION
OP400HSZ-REEL	PRODUCTION
Jun 1, 2011 - 11_0088 Top and Bottom Mark Standardization for Certain LCC (Leadless Chip Carrier) and Metal Can Packages
		PCN11_0088_Form Material_Report Marking Comparison
5962-8777101M3A	PRODUCTION	PCN11_0088_Form Material_Report Marking Comparison
Jul 31, 2009 - 09_0106 Removal of Die Fab Code from Topside Marking of Remaining Mil-Grade Products
		09_0106Supporting Material_Report PCN09_0106_Form
5962-8777101M3A	PRODUCTION
5962-8777101MCA	PRODUCTION
Nov 7, 2012 - 12_0199 Qualification of New Conductive Silver-Filled Glass Die Attach Adhesive for Cerdip and Ceramic Flatpack (Cerpack) Packages.
		PCN12_0199_Form Material_Report Qualification Report Summary Datasheet Specification Comparison
5962-8777101MCA	PRODUCTION
OP400AY	PRODUCTION
OP400EY	PRODUCTION
OP400FY
Mar 29, 2021 - 21_0033 Assembly Site Transfer for 14/16L 300_MIL PDIP to Cirtek
		PCN21_0033_Form Material_Report Detailed Change Description Qualification Results Summary
OP400GPZ	PRODUCTION
OP400HPZ	PRODUCTION
Aug 19, 2009 - 07_0024 Package Material Changes for SOT23, MiniSO, MQFP, PDIP, PLCC, SOIC (narrow and wide body), SSOP, TSSOP and TSSOP exposed pad
		Material_Report Material_Report Parts List PCN07_0024_Form Qual Data
OP400GPZ	PRODUCTION
OP400HPZ	PRODUCTION
Jul 21, 2014 - 13_0297 Qualification of ASE Chungli, as an Alternate Assembly Site for Select 16L, 20L, 24L and 28L SOICW Packages
		PCN13_0297_Form Material_Report Detailed Change Description Qualification Results Summary
OP400GSZ	PRODUCTION
OP400GSZ-REEL	PRODUCTION
OP400HSZ	PRODUCTION
OP400HSZ-REEL	PRODUCTION
Aug 4, 2010 - 10_0117 Halogen Free Material Change for SOIC_W Products at Carsem
		PCN10_0117_Form Material_Report Reliability Report
OP400GSZ	PRODUCTION
OP400GSZ-REEL	PRODUCTION
OP400HSZ	PRODUCTION
OP400HSZ-REEL	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
AD8624	PRODUCTION	Low Power, Precision Rail-to-Rail Output Quad Op Amp
OP4177	PRODUCTION	Precision Low Noise, Low Input Bias Current Quad Operational Amplifier

Tools & Simulations

Analog Photodiode Wizard

Use Photodiode Wizard to design a transimpedance amplifier circuit to interface with a photodiode. Select a photodiode from the library included in the tool, or enter custom photodiode specifications. Quickly observe tradeoffs between Bandwidth, Peaking (Q), and ENOB/SNR. Modify circuit parameters, and immediately see results in plots for pulse response, frequency response, and noise gain.

Open Tool

Signal Chain Designer

Signal Chain Designer is a web-based tool designed to create and simulate complex precision signal chains. See your circuit’s performance before you commit to your PCB: transfer function, noise, power consumption, input range, and DC error. Quickly experiment with different parts and architectures. Signal chains can be exported to LTspice for further analysis.

Open Tool

Analog Filter Wizard

Use the Analog Filter Wizard to design low-pass, high-pass, or band-pass filters with actual op amps in minutes. As you progress through the design process, you can observe the characteristics of your filter design from ideal specifications to real world circuit behavior. Quickly evaluate the tradeoffs in op amp specifications - including gain-bandwidth, noise, and supply current – to determine the best filter design for your requirements.

Open Tool

OP400 SPICE Macro Models 6

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Overview

Documentation

Data Sheet 2

Application Note 2

Software Resources

Can't find the software or driver you need?

Hardware Ecosystem

Tools & Simulations

Analog Photodiode Wizard

Signal Chain Designer

Analog Filter Wizard

OP400 SPICE Macro Models 6

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