Signal Conditioning Amplifier

Product Specifications

Technical details and manufacturing context for Signal Conditioning Amplifier

Definition

A signal conditioning amplifier is a critical component within voltage measurement circuits that processes raw sensor outputs by amplifying weak signals, filtering out noise, and providing impedance matching to ensure precise and reliable voltage readings for downstream analog-to-digital conversion or display systems. It is designed for use in industrial environments, where sensors such as thermocouples, strain gauges, or transducers generate low-level signals that must be conditioned before measurement. The amplifier typically provides a differential input with high impedance, a gain accuracy of ±0.05%, and a bandwidth of 100 kHz at -3 dB. It operates over an input voltage range of ±10 V and delivers an output voltage range of ±10 V into a 10 kΩ load. The input offset voltage is ±50 µV maximum after calibration. The device is powered by a 24 V DC supply (±10%) with reverse polarity protection. It is designed for a wide operating temperature range of -40 to 85 °C and a storage temperature range of -55 to 125 °C, with non-condensing relative humidity of 0 to 95%. The ingress protection rating is IP54 to IP65 depending on the enclosure option, per IEC 60529. The amplifier is housed in a DIN rail mount enclosure with dimensions of 22.5 x 99 x 114.5 mm and weighs approximately 150 g. Typical materials include semiconductor silicon, copper conductors, ceramic substrates, and plastic encapsulation. This product is a component intended for integration into measurement systems; it is not a standalone measuring instrument. For specific applications, verify model-specific parameters and standards with the legal manufacturer or supplier.

Working Principle

The amplifier receives low-voltage signals from sensors such as thermocouples, strain gauges, or transducers. It applies gain to increase signal amplitude, uses filtering circuits to remove unwanted noise and interference, and may include linearization or isolation functions to produce clean, standardized output signals suitable for measurement equipment. The differential input provides high impedance (≥10 MΩ) to minimize loading on the sensor. The output is designed to drive a 10 kΩ load with a ±10 V range. The device requires a 24 V DC supply and is protected against reverse polarity. It is intended for industrial environments and should be verified for specific model characteristics.

Common Materials

Semiconductor silicon, Copper conductors, Ceramic substrates, Plastic encapsulation

Technical Parameters

Parameter	Typical range	Notes & selection driver
Input Voltage Range	±10 V	Typical for industrial sensors
Gain Accuracy	±0.05 %	Critical for measurement accuracy
Bandwidth	100 kHz	At -3 dB
Input Offset Voltage	±50 µV	Max, after calibration
Input Impedance	≥10 MΩ	Differential
Output Voltage Range	±10 V	Into 10 kΩ load
Supply Voltage	24 ±10% V DC	Reverse polarity protected
Operating Temperature	-40–85 °C	Extended industrial range
Storage Temperature	-55–125 °C	Non-operating
Relative Humidity	0–95 %	Non-condensing
Ingress Protection	IP54–IP65	Depends on enclosure optionIEC 60529
Dimensions (W x H x D)	22.5 x 99 x 114.5 mm	DIN rail mount
Weight	150 g	Approximate

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

Operational Amplifier
Provides the core amplification function with high gain and input impedance

Material: Semiconductor silicon
Input Protection Circuit Part
Safeguards against voltage spikes and electrostatic discharge

Material: Zener diodes, resistors
Filter Network
Removes high-frequency noise and interference from the signal

Material: Capacitors, resistors, inductors
Gain Setting Resistors Part
Determines the amplification factor of the circuit

Material: Precision metal film resistors
Output Buffer Part
Provides low output impedance to drive measurement equipment

Material: Semiconductor transistors
Linearization Circuit Optional
Straightens a curved sensor characteristic so equal input steps give equal output steps.
Isolation Circuit Optional
Breaks the galvanic path between sensor side and instrument side.

Applied To / Applications

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

Voltage Measurement Circuit

View system integration details

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Frequently Asked Questions

What is the typical input voltage range for this signal conditioning amplifier?

The typical input voltage range is ±10 V, as listed in the directory reference. However, you must verify the exact range for the specific model you intend to use, as variations may exist.

What is the gain accuracy of this amplifier?

The gain accuracy is ±0.05%, which is critical for measurement accuracy. This value is a reference; confirm the actual specification with the manufacturer for your chosen model.

What is the operating temperature range?

The operating temperature range is -40 to 85 °C, suitable for extended industrial use. Storage temperature is -55 to 125 °C. Always check the datasheet for the specific model.

What is the ingress protection rating?

The ingress protection rating is IP54 to IP65 depending on the enclosure option, per IEC 60529. This is a reference; the actual rating depends on the enclosure selected. Verify with the supplier.

Data Basis

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

Preliminary Technical Classification

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pressure:	Not applicable (electronic component)
other spec:	Input signal range: ±10mV to ±10V, Output voltage: 0-5V or 0-10V, Bandwidth: 0-10kHz
temperature:	-40°C to +85°C

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