Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers
Operational amplifiers (op-amps), instrumentation amplifiers, and buffer amplifiers are the workhorses of analog signal conditioning — providing gain, filtering, impedance transformation, and differential measurement in sensor interfaces, audio systems, and control loops. With 16,800+ parts from ADI (AD, ADA, LT), TI (OPA, TLV, LMV), STMicroelectronics, ROHM, and Microchip, Octatronics supports selection by GBW, slew rate, input offset voltage, noise, supply current, and CMRR.
Product Series & Base Models
150 model families directly associated with Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers. Browse the full catalog with search and filters.
Browse Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers Products
| PART NUMBER | MANUFACTURER | DESCRIPTION | STOCK | QTY / ACTION |
|---|---|---|---|---|
| TL5580AID | Texas Instruments | — | 548 | |
| THS4061CDGN | Texas Instruments | — | 2,393 | |
| AD8655ARMZ-R2 | Analog Devices | — | 7,750 | |
| AD8137YCP-R2 | Analog Devices | — | In Stock | |
| AD8009JRT-R2 | Analog Devices | — | 8,190 | |
| AD8001ART-R2 | Analog Devices | — | 18,240 | |
| AD8642ARMZ-R2 | Analog Devices | — | 2,860 | |
| TLV2264ID | Texas Instruments | — | 7,500 |
Top Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers Manufacturers
onsemi
onsemi Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
28,226 productsRenesas
Renesas Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
74,605 productsNisshinbo Micro Devices Inc.
Nisshinbo Micro Devices Inc. Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
122 productsFairchild Semiconductor
Fairchild Semiconductor Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
11 products
NXP Semiconductors
NXP Semiconductors Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
20,288 products
Microchip Technology
Microchip Technology Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
67,462 products
Texas Instruments
Texas Instruments Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
84,045 products
Diodes Incorporated
Diodes Incorporated Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
16,703 products
Analog Devices
Analog Devices Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
82,970 products
STMicroelectronics
STMicroelectronics Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers products are available for part-number review, stock checks, and RFQ support.
19,050 productsAbout Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers
Operational Amplifiers (Op-Amps), Instrumentation Amplifiers, and Buffer Amplifiers are the fundamental building blocks of analog circuit design, providing high-impedance input amplification, mathematical integration, and impedance matching. Op-amps are highly versatile voltage-amplifying devices; instrumentation amplifiers combine multiple op-amps to provide extreme common-mode rejection for weak differential sensor signals; and buffer amplifiers provide unity-gain impedance isolation.
Key selection categories include precision op-amps for low-drift instrumentation, high-speed op-amps for RF signal paths, low-noise op-amps for audio systems, and low-power/nanopower op-amps for battery-operated IoT nodes. Engineers evaluate these devices based on gain-bandwidth product (GBW), input offset voltage (Vos), input bias current, slew rate, noise density (nV/rtHz), common-mode rejection ratio (CMRR), and package configuration (single, dual, or quad channels).
Browse Octatronics to search and compare amplifiers from industry pioneers including Analog Devices (OP, AD, and LT series), Texas Instruments (OPA, TL, and LMV series), STMicroelectronics, onsemi, and Microchip. Access datasheets, download SPICE models, and submit bulk RFQs online.
Related Applications
Discover industry applications that commonly use Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers components.
Medical & Healthcare
Precision analog, isolation, and long-lifecycle parts for imaging and patient systems.
Patient Monitoring
Front-end analog and isolation for patient monitors.
Aerospace & Defense
High-reliability and long-lifecycle components for aerospace, defense, and UAV programs.
Industrial Sensors & Transducers
Signal conditioning and interfaces for industrial sensors.
Medical Imaging
Acquisition and power devices for medical imaging systems.
Fiber Optic Systems
Optical-adjacent and high-speed interface devices.
Oscilloscopes & Logic Analyzers
Acquisition and analog-front-end devices.
Power Analyzers & Meters
Precision analog and measurement devices.
Drones & UAVs
Propulsion, sensing, and flight-control devices.
Test & Measurement
Precision analog, timing, and acquisition components for instruments and ATE.
5G Infrastructure
Radio, timing, and power devices for wireless infrastructure.
Satellite & Space Communications
RF, timing, and high-reliability communication devices.
Spectrum & Network Analyzers
RF, clock, and acquisition devices.
Signal Generators & Counters
Timing and analog output devices.
Communications Equipment
RF, optical, and wired-networking components for infrastructure and access equipment.
Consumer & Personal Electronics
Power, interface, and analog components for phones, wearables, and personal devices.
Frequently Asked Questions
Octatronics can help source a wide range of Operational Amplifiers, Instrumentation Amplifiers and Buffer Amplifiers from major manufacturers worldwide, including active production parts, long-lead-time items, and hard-to-find components.
Yes. You can submit a single part number or upload a BOM with multiple parts. Our team will check stock, date code, lead time, and pricing for each item.
Availability depends on the specific part number and supplier source. For important orders, buyers can request packaging photos, labels, date code information, and traceability documents.
Yes. Octatronics supports sourcing for active, end-of-life, obsolete, and hard-to-find components through our global supplier network.
Please provide the part number, manufacturer, quantity, required date code, target price, delivery country, and whether original packaging or COC is required.
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