Error Amplifier / Controller IC

Product Specifications

Technical details and manufacturing context for Error Amplifier / Controller IC

Definition

This product is a specialized integrated circuit (IC) designed for use in control and feedback systems. Its primary function is to amplify the difference between a desired setpoint and the actual measured value, known as the error signal, and to generate appropriate control signals that regulate system behavior and maintain stability. The IC is a critical component in applications such as power supplies, motor drives, and industrial process control, where precise regulation is essential.

The IC operates by receiving input signals representing the desired state (setpoint) and the actual state (feedback). It compares these signals to produce an error signal, amplifies this error to a usable level, and processes it through internal control logic, often implementing algorithms like proportional-integral-derivative (PID) control. The resulting output control signal drives actuators or other components to correct the system error.

Key parameters, which must be verified for the specific model and application, include a supply voltage range of 4.5–36 V, supply current of 0.5–5 mA, input offset voltage of ±0.5–±5 mV, input bias current of 10–100 nA, open-loop gain of 60–100 dB, bandwidth of 1–10 MHz, output voltage swing of 0.1 V to VCC-0.1 V, output current of 10–50 mA, operating temperature range of -40 to 85 °C, and storage temperature range of -55 to 150 °C. Common package types include SOP-8, DIP-8, and SOT-23-5. The ESD rating is 2–4 kV (HBM model) per IEC 61000-4-2.

The IC is fabricated on silicon. It is intended for use in computer, electronic, and optical product manufacturing. As a directory listing, these values are reference ranges and must be confirmed with the legal manufacturer or supplier for the actual model. The listed standard (IEC 61000-4-2) is a procurement reference and does not imply certification or compliance of any specific product.

Working Principle

The IC receives two input signals: one representing the desired setpoint and the other the actual feedback. It compares these signals to generate an error signal, which is the difference between them. This error is then amplified to a level suitable for further processing. Internal control logic, often implementing PID algorithms, processes the amplified error to produce an output control signal. This output drives actuators or other components to reduce the error and maintain system stability. The IC's performance is characterized by parameters such as supply voltage, input offset voltage, and open-loop gain, which affect regulation accuracy and control loop precision.

Common Materials

Silicon

Technical Parameters

Parameter	Typical range	Notes & selection driver
Supply Voltage	4.5–36 V	Operating range for VCC
Supply Current	0.5–5 mA	Quiescent current at no load
Input Offset Voltage	±0.5–±5 mV	Affects regulation accuracy
Input Bias Current	10–100 nA	For high-impedance sources
Open-Loop Gain	60–100 dB	Determines control loop precision
Bandwidth	1–10 MHz	Unity-gain bandwidth
Output Voltage Swing	0.1–VCC-0.1 V	Rail-to-rail output capability
Output Current	10–50 mA	Maximum sink/source capability
Operating Temperature Range	-40–85 °C	Industrial grade
Storage Temperature Range	-55–150 °C	Non-operating
Package Type	SOP-8, DIP-8, SOT-23-5	Common industry packages
ESD Rating	2–4 kV	HBM modelIEC 61000-4-2

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Differential Amplifier
Amplifies the voltage difference between input signals

Material: silicon
Reference Voltage Source
Provides stable voltage reference for comparison

Material: silicon
Output Driver Stage
Delivers amplified control signal to external components

Material: silicon
Compensation Network Part
Ensures stability and prevents oscillation in feedback loops

Material: silicon/polyimide
Control Logic
Processes the amplified error, often by PID, into the output control signal.

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Error Amplifier / Controller IC.

Applied To / Applications

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

Control and Feedback Circuit

View system integration details

Manufacturers of Error Amplifier / Controller IC

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Shanghai Juyi Electronic Technology Development Co., Ltd

Shanghai, CN

Also makes: Pump Controller, Motor Controller, Motor Driver and 1 more

Listed on the company's own website · profile compiled by CNFX from public sources

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Frequently Asked Questions

What is the primary function of this error amplifier / controller IC?

The IC amplifies the difference between a desired setpoint and the actual measured value (error signal) and generates control signals to regulate system behavior and maintain stability.

What are the typical supply voltage and current ranges?

The supply voltage range is 4.5–36 V, and the supply current is 0.5–5 mA at no load. These are reference ranges; confirm the exact values for the specific model.

What package types are available?

Common package types include SOP-8, DIP-8, and SOT-23-5. Availability may vary by supplier.

What is the ESD rating and standard?

The ESD rating is 2–4 kV (HBM model) per IEC 61000-4-2. This standard is a reference for verification; it does not guarantee compliance of a specific product.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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voltage:	Supply: 3V to 36V, Input/Output: ±15V max
temperature:	-40°C to +125°C (operating), -65°C to +150°C (storage)
power dissipation:	500mW max at 25°C ambient
frequency response:	DC to 10MHz (typical), 50MHz (max)

Product Specifications

Industry Taxonomies & Aliases

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

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