AD679KD

Number of A/D Converters:	1
Base Part Number:	AD679
Supplier Device Package:	28-CDIP
Package / Case:	28-CDIP (0.600", 15.24mm)
Operating Temperature:	0°C ~ 70°C
Features:	--
Voltage - Supply, Digital:	5V
Voltage - Supply, Analog:	±12V
Reference Type:	External, Internal
Architecture:	Flash
Series:	--
Ratio - S/H:ADC:	1:1
Configuration:	S/H-ADC
Data Interface:	Parallel
Input Type:	Single Ended
Number of Inputs:	1
Sampling Rate (Per Second):	128k
Number of Bits:	14
Part Status:	Obsolete
Packaging:	Tube

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Data Acquisition - Analog to Digital Converters(ADC)

The AD679KD is one of the most advanced analog-to-digital converters (ADC). It converts analog signals into digital signals so that they can be understood by modern digital processing or recording devices. This device is used in a variety of applications, from commercial and medical device testing to data analysis in scientific experiments. It is one of the best-suited solutions for accurately measuring analog signals.The AD679KD is an integrated 10-bit sampling analog-to-digital converter with a reference voltage. It contains a low-power, low-noise, high-speed delta-sigma modulator that converts analog signals into a low-distortion, low-resolution digital signal with a resolution of 10 bits. The maximum sampling rate achievable is 55MS/s and the input voltage range is 0-5V or 0-10V depending on the supply voltage. The integrated reference voltage provides very accurate and stable measurements even with variations in the input frequency and amplitude. The device provides good linearity and a high signal-to-noise ratio for best results.The AD679KD is used in various applications requiring the conversion of analog signals into digital signals. It is an ideal choice for audio and video signal processing, data acquisition, medical instrumentation, and instrumentation and control. The device is suitable for use in many types of industrial environments, including automotive and aerospace systems, instrumentation, and imprecise applications.The working principle of the AD679KD is based on the delta-sigma (ΔΣ) modulation process. This is a type of pulse-width modulation technique where analog signals are converted into digital form by sampling the input signal to produce a sequence of “pulses”, each one representing one bit in the digital data representation. The sampling frequency is determined by the clock rate and the number of bits.The delta-sigma modulation technique used in the AD679KD enables accurate analogue-to-digital conversion with reduced errors and a high SNR. It also offers excellent linearity and accuracy with fast conversion rates. It can be used for both high and low frequency signals, as it has a wide dynamic range. The device has a built-in voltage reference that can provide a very stable output voltage, and a low-pass filter to reject unwanted noise from the signal. The AD679KD is also capable of handling ±5V inputs, making it suitable for applications requiring a wide range of signal amplitudes, such as audio and video. It is also designed to protect against over-the-top voltage inputs. The device has an on-chip sample-and-hold circuit which takes one sample of a signal at each rising clock edge and holds it until the next rising clock edge. This helps to reduce the distortion caused by long sampling periods.The ADC provides excellent performance in terms of accuracy, noise, linearity, bandwidth, and power consumption. It is ideal for use in both low- and high-speed applications, and can make use of very low reference voltages. It is also designed to be highly reliable and easy to use. Overall, the AD679KD is an excellent choice for applications that require the accurate conversion of analog signals into digital form. Its advanced delta-sigma modulation process ensures excellent linearity and accuracy, and its wide input range coupled with low power consumption and fast conversion rates makes it an ideal choice for a range of applications. Furthermore, its on-chip voltage reference and low-pass filter provide excellent rejection of unwanted signals.

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