Signal Converter (ADC/DAC)

Product Specifications

Technical details and manufacturing context for Signal Converter (ADC/DAC)

Definition

A signal converter, specifically ADC (Analog-to-Digital Converter) and DAC (Digital-to-Analog Converter), is a critical component in interface electronics that bridges the gap between the analog physical world and digital processing systems. It enables measurement, control, and communication systems to interact with sensors, actuators, and other analog devices by performing precise signal conversion. In industrial settings, these converters are often integrated into modules that condition signals from sensors such as thermocouples, pressure transducers, or flow meters, converting them into digital data for PLCs or computers. Conversely, DACs convert digital control signals into analog voltages or currents to drive actuators like valves or variable-speed drives. The converter's performance is characterized by parameters such as resolution (12–24 bits), sampling rate (10–1000 kS/s), input/output voltage ranges (0–10 V), and accuracy (±0.05% FSR). It operates from a 24 V DC supply (±10%) and is designed for industrial temperature ranges (-40 to 85 °C operating, -55 to 125 °C storage) and humidity (5–95% non-condensing). The housing typically offers ingress protection rated IP54–IP65 per IEC 60529, with dimensions around 100×50×25 mm and weight 0.2–0.5 kg. Power consumption ranges from 0.5 to 2 W. These converters are manufactured using semiconductor silicon, copper, and plastic encapsulation. When selecting a converter, verify the required resolution, sampling rate, input/output ranges, and environmental ratings against the specific application. Always confirm model-specific values and standards with the legal manufacturer or supplier, as the listed ranges are typical reference values and may vary by model.

Working Principle

ADC converters sample continuous analog signals at regular intervals, quantize the amplitude to discrete levels, and encode them into binary digital values. DAC converters perform the inverse operation, reconstructing analog signals from digital input codes, typically using techniques like pulse-width modulation or resistor ladder networks. The conversion process involves a sample-and-hold circuit, a quantizer, and an encoder for ADCs, while DACs use a decoder and an output stage. The resolution determines the number of discrete levels, and the sampling rate sets the maximum input frequency that can be accurately captured. Conversion time, typically 1–100 µs, affects the speed of the system. The converter's accuracy is specified as a percentage of full-scale range, indicating the maximum deviation from the ideal output. Proper grounding and shielding are essential to minimize noise and maintain accuracy in industrial environments.

Common Materials

Semiconductor silicon, Copper, Plastic encapsulation

Technical Parameters

Parameter	Typical range	Notes & selection driver
Resolution	12–24 bit	Higher resolution for finer signal granularity
Sampling Rate	10–1000 kS/s	Determines maximum input frequency
Input Voltage Range	0–10 V	Typical for industrial signals
Output Voltage Range	0–10 V	For DAC output
Supply Voltage	24 ±10% V DC	Standard industrial supply
Operating Temperature	-40–85 °C	Industrial grade
Storage Temperature	-55–125 °C	Wider range for storage
Relative Humidity	5–95 %	Non-condensing
Ingress Protection	IP54–IP65	For industrial environmentsIEC 60529
Accuracy	±0.05 % FSR	Full-scale range
Conversion Time	1–100 µs	Per conversion
Power Consumption	0.5–2 W	Typical for industrial modules
Dimensions	100×50×25 mm	Compact housing
Weight	0.2–0.5 kg	Depends on housing

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

Sample and Hold Circuit
Captures and maintains the analog input voltage during ADC conversion

Material: Semiconductor components
Quantizer
Converts the sampled analog value to discrete digital levels

Material: Digital logic circuits
Encoder
Converts quantized levels to binary digital output code

Material: Digital logic circuits
Decoder Optional
Turns the digital code into switch settings on the DAC side.
Output Stage Optional
Drives the reconstructed analog level out to the load.

Applied To / Applications

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

Interface electronics

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Input/Output (I/O) Circuitry

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Manufacturers of Signal Converter (ADC/DAC)

Manufacturer profiles associated with Signal Converter (ADC/DAC).

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What is the difference between an ADC and a DAC?

An ADC (Analog-to-Digital Converter) converts continuous analog signals into discrete digital values, while a DAC (Digital-to-Analog Converter) performs the reverse, converting digital codes into analog signals. Both are essential for interfacing digital systems with the analog world.

What are typical applications for this signal converter?

Typical applications include industrial measurement and control systems, where sensors provide analog signals that need to be digitized for processing, and actuators that require analog control signals from digital controllers. They are used in process automation, data acquisition, and communication interfaces.

How do I choose the right resolution and sampling rate?

Resolution (in bits) determines the granularity of the signal; higher resolution provides finer detail. Sampling rate (in kS/s) must be at least twice the highest frequency of interest to avoid aliasing. Consider the dynamic range and speed of your signal when selecting these parameters.

What environmental conditions can this converter withstand?

The converter is designed for industrial environments, operating from -40 to 85 °C, with storage from -55 to 125 °C. It can handle relative humidity of 5–95% non-condensing and has an ingress protection rating of IP54–IP65 per IEC 60529, depending on the housing. Always verify the specific model's ratings.

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, not fluid handling)
other spec:	Sampling Rate: 1 kSPS to 10 MSPS, Resolution: 8-bit to 24-bit, Power Supply: 2.7V to 5.5V DC
temperature:	-40°C to +85°C (industrial grade), -55°C to +125°C (military grade)

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

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Compliance & Manufacturing Standards