Industry-Verified Manufacturing Data (2026)

Operational Amplifier IC

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Operational Amplifier IC used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Operational Amplifier IC is characterized by the integration of Differential Input Stage and Gain Stage. In industrial production environments, manufacturers listed on CNFX commonly emphasize Silicon construction to support stable, high-cycle operation across diverse manufacturing scenarios.

A high-gain electronic voltage amplifier with differential inputs and single-ended output, typically packaged as an integrated circuit.

View Full Specifications Explore Manufacturing Sources

Product Specifications

Technical details and manufacturing context for Operational Amplifier IC

Definition
An operational amplifier IC is a fundamental electronic component within signal transmitters and amplifiers that amplifies the difference between two input voltages. It serves as the core building block for analog signal processing, providing high gain, high input impedance, and low output impedance to condition, buffer, and amplify weak signals before transmission or further processing.
Working Principle
Operational amplifiers work by using differential input stages to compare two voltage signals, amplifying the difference through multiple gain stages (typically using transistors in integrated form), and delivering an output voltage that is proportional to this amplified difference. They employ negative feedback configurations to achieve precise, stable amplification characteristics.
Common Materials
Silicon, Copper, Aluminum, Plastic/Epoxy
Technical Parameters
  • Slew rate - maximum rate of change of output voltage, critical for high-frequency signal fidelity (V/μs) Customizable
Components / BOM
  • Differential Input Stage
    Compares two input voltages and provides initial amplification
    Material: Silicon transistors
  • Gain Stage
    Provides primary voltage amplification
    Material: Silicon transistors
  • Output Stage
    Buffers amplified signal and drives external loads
    Material: Silicon transistors
  • Bias Circuitry
    Establishes proper operating points for all transistors
    Material: Silicon resistors and transistors
Engineering Reasoning
Supply voltage: 3-36 VDC, Input offset voltage: ±0.5-5 mV, Input bias current: 10 pA-500 nA, Gain bandwidth product: 1 MHz-100 MHz, Slew rate: 0.5-1000 V/μs, Operating temperature: -40°C to +125°C
Absolute maximum supply voltage: 40 VDC, Input differential voltage: ±30 V, Junction temperature: 150°C, Electrostatic discharge: 2000 V HBM
Design Rationale: Thermal runaway due to excessive power dissipation (Pd = (Vcc-Vee)*Iq + (Vout*Iload)), dielectric breakdown in input protection diodes at >30 V differential, latch-up from substrate injection during overvoltage transients, electromigration in aluminum interconnects at >150°C junction temperature
Risk Mitigation (FMEA)
Trigger Supply voltage transient exceeding 40 VDC absolute maximum rating
Mode: Gate oxide breakdown in input differential pair MOSFETs causing permanent input offset voltage shift >100 mV
Strategy: Implement TVS diode clamping at supply pins with 39 V breakdown voltage and 5 ns response time, add ferrite bead and 100 μF tantalum capacitor filtering
Trigger Sustained output current exceeding 25 mA into capacitive load >100 pF
Mode: Thermal shutdown activation at 150°C junction temperature causing output stage oscillation at 1-10 MHz
Strategy: Design external push-pull buffer stage with 2N3904/2N3906 transistors for >100 mA drive capability, implement current limiting at 30 mA with foldback protection

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Operational Amplifier IC.

high gain operational amplifier IC differential input op amp integrated circuit precision voltage amplifier for electronics silicon operational amplifier for optical manufacturing industrial op amp with bias circuitry

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Signal Transmitter/Amplifier
View system integration details
Operational Amplifier Circuit
View system integration details

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
voltage: Supply voltage range (e.g., ±2V to ±18V)
other spec: Gain bandwidth product, slew rate, input offset voltage
temperature: -40°C to +125°C (typical industrial range)
Media Compatibility
✓ PCB assembly in control systems ✓ Signal conditioning circuits ✓ Precision measurement equipment
Unsuitable: High-voltage or high-power switching environments without proper protection
Sizing Data Required
  • Required gain and bandwidth
  • Supply voltage constraints
  • Input signal characteristics (amplitude, frequency, impedance)

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Thermal runaway
Cause: Excessive power dissipation due to high output current or improper heatsinking, leading to internal temperature rise beyond safe operating limits and permanent damage to semiconductor junctions.
Latch-up
Cause: Parasitic thyristor activation within the IC structure triggered by voltage transients, electrostatic discharge (ESD), or input signals exceeding supply rails, causing high current flow and potential destruction.
Maintenance Indicators
  • Audible high-frequency oscillation or squealing from the circuit, indicating instability due to improper compensation or feedback loop issues.
  • Visual signs of overheating such as discoloration, bubbling, or charring of the IC package or surrounding PCB, suggesting excessive power dissipation.
Engineering Tips
  • Implement proper decoupling with low-ESR capacitors placed close to power supply pins to suppress voltage transients and reduce noise-induced failures.
  • Use current-limiting resistors at inputs and outputs, along with ESD protection diodes, to prevent latch-up and damage from voltage spikes beyond supply rails.

Compliance & Manufacturing Standards

Reference Standards
ISO 9001:2015 - Quality Management Systems ANSI/ESD S20.20 - Electrostatic Discharge Control Program CE Marking - Compliance with EU EMC Directive 2014/30/EU
Manufacturing Precision
  • Input Offset Voltage: +/- 0.5 mV
  • Gain Bandwidth Product: +/- 10%
Quality Inspection
  • Electrical Parameter Testing (DC/AC Performance)
  • Environmental Stress Screening (Temperature Cycling)

Factories Producing Operational Amplifier IC

Verified manufacturers with capability to produce this product in China

Add your factory

✓ 97% Supplier Capability Match Found

P Project Engineer from Canada Jan 09, 2026
★★★★★
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Operational Amplifier IC so far."
Technical Specifications Verified
S Sourcing Manager from United States Jan 06, 2026
★★★★★
"Testing the Operational Amplifier IC now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
P Procurement Specialist from United Arab Emirates Jan 03, 2026
★★★★★
"Impressive build quality. Especially the technical reliability is very stable during long-term operation."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

14 sourcing managers are analyzing this specification now. Last inquiry for Operational Amplifier IC from USA (19m ago).

Supply Chain Compatible Machinery & Devices

Industrial IoT Gateway

Edge computing device connecting industrial equipment to cloud platforms.

Explore Specs →
Modular Industrial Edge Computing Device

Rugged computing platform for industrial data processing at the network edge

Explore Specs →
Industrial Smart Camera Module

Embedded vision system for industrial automation and quality inspection.

Explore Specs →
Industrial Wireless Power Transfer Module

Wireless power transfer module for industrial equipment applications

Explore Specs →

Frequently Asked Questions

What are the key applications of this operational amplifier IC in computer and optical product manufacturing?

This op amp IC is ideal for signal conditioning, analog-to-digital conversion interfaces, sensor amplification in optical systems, and precision voltage reference circuits in computing hardware.

How does the differential input stage benefit electronic system performance?

The differential input stage provides excellent common-mode rejection, reducing noise interference and improving signal integrity in environments with electromagnetic interference common in industrial settings.

What temperature and voltage ranges does this silicon-based op amp support?

Built with silicon semiconductor technology and copper/aluminum interconnects, this IC typically operates from -40°C to 125°C with supply voltages from ±5V to ±18V, suitable for industrial environments.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

Data Specifications verified by CNFX Industrial Index (v2.6.03) for Computer, Electronic and Optical Product Manufacturing sector.

Get Quote for Operational Amplifier IC

Request technical pricing, lead times, or customized specifications for Operational Amplifier IC directly from verified manufacturing units.

Your business information is encrypted and only shared with verified Operational Amplifier IC suppliers.

Thank you! Your message has been sent. We'll respond within 1–3 business days.
Thank you! Your message has been sent. We'll respond within 1–3 business days.

Need to Manufacture Operational Amplifier IC?

Connect with verified factories specializing in this product category

Add Your Factory Contact Us
Previous Product
Operational Amplifier Circuit
Next Product
Optical Access Port