ALD500ASCL

Ratio - S/H:ADC:	--
Supplier Device Package:	16-SOIC
Package / Case:	16-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	±5V
Voltage - Supply, Analog:	±5V
Reference Type:	External
Architecture:	SAR
Number of A/D Converters:	1
Series:	--
Configuration:	ADC
Data Interface:	--
Input Type:	Differential
Number of Inputs:	1
Sampling Rate (Per Second):	--
Number of Bits:	17
Part Status:	Active
Packaging:	Tube

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IntroductionData acquisition with analog to digital converters (ADC) is a pervasive application field with many technical details to consider. The right solution must match the desired performance and specs, while being economically feasible. This article dives into the applications and principles of a specific ADC: the Ald500ASCL.Features and SpecificationsThe main features of the Ald50ASCL model include: an 8-bit resolution with an accuracy of 4%, 8 differential or single-ended analog inputs, sampling rate up to 1 MHz, and a single analog-out output. It is capable of measuring both steady-state and dynamic signals from the 0-5 VDC range.The Ald 500ASCL has a diverse range of applications. It is suitable for measuring temperature, load cell pressure and bridge transducers, monitoring process control signals, and recording data from medical, industrial, and scientific instruments.Time-Division MultiplexingTime-division multiplexing is also a key feature of the Ald 500ASCL model. This allows users to sample multiple analog inputs with a single converter, providing a cost-effective solution for applications requiring multiple channels. The multiplexer works by sequentially sampling each analog input, using fast switching elements. Input Signal Treatment The Ald500ASCL model has an integrated set of features to treat input signals. It operates in either single-ended, or differential input modes, depending on the characteristics of the input signals. An anti-aliasing filter is also included to reduce aliasing artifacts. The model features a programmable gain amplifier (PGA) to amplify or attenuate input signals, as well as a programmable voltage reference (Vref) circuit to set the analog-to-digital conversion range.Low-Noise ClockingThe Ald500ASCL model integrates an on-chip clock oscillator to generate timing clock pulses. An external crystal or RC tuning circuit can also be used as a timing source. The clock generator has very low-noise characteristics, reducing jitter and increasing accuracy.Analog-Out OutputThis ADC also includes an analog-out output. This is a digital-to-analog converter (DAC) that can convert digital codes back to analog voltages. This feature is useful for applications such as voltage and current regulation.ConclusionThe Ald 500ASCL model is a versatile and dependable ADC, designed to be used in a broad range of applications. It features an 8-bit resolution with an accuracy of 4%, 8 differential or single-ended analog inputs, and a sampling rate of up to 1 MHz. It also incorporates Time-Division Multiplexing, an anti-aliasing filter, a programmable gain amplifier, a programmable voltage reference circuit, a low-noise clock oscillator, and an analog-out output.

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