DC2542A

Series:	SoftSpan™
Part Status:	Active
Number of A/D Converters:	1
Number of Bits:	18
Sampling Rate (Per Second):	200k
Data Interface:	LVDS, Serial, SPI
Input Range:	±10.24 V
Power (Typ) @ Conditions:	284mW @ 200kSPS
Utilized IC / Part:	LTC2358-18
Supplied Contents:	Board(s)
Base Part Number:	LTC2358

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DC2542A Application Field and Working PrincipleAnalog to digital converters (ADC) are electronic devices used to transform analog signals into digital signals. This conversion is of great importance, because digital signals are easier to process, store, and transmit than analog signals. DC2542A is one of the analog to digital converters that help to process analog signals. It provides high resolution and low noise characteristics for sample and hold applications.DC2542A ADC is a 12-bit, single channel, sampling analog-to-digital converter that utilizes an internal sample and hold amplifier. The sample and hold amplifier can track a signal at speeds of up to 2 MHz. The DC2542A also implements an internal Linearity Adjustment circuitry that gives the ADC an accuracy of 3 LSB (Least Significant Bits) over the full supply voltage range and temperature. The DC2542A is a monolithic integrated circuit featuring a 5 µs output settle time for sink load applications. The DC2542A ADC incorporates double buffered, 12-bit, serial data output format, as well as four external, single ended voltage tracking pins that can be used to reduce thermal voltage/time errors associated with the output signal.The DC2542A analog to digital converter was specifically designed for applications requiring high resolution with low noise performance but also at low power consumption and convenient input voltage range options. Therefore, it is suitable for many applications which include, but not limited to, radiologic, industrial control monitoring and automotive applications, as well as test and measurement systems.The DC2542A ADC utilizes high linearity comparators and on-chip reference enable to deliver 10-bit resolution performance, regardless of the input voltage range. The use of an external sample and hold amplifier provides excellent image rejection performance and low offset values. The DC2542A ADC is designed to be used in bipolar (±10V) or unipolar (0V to 10V) input signal ranges. The bipolar input signal range is selected via the bipolar select pin. The DC2542A also incorporates a high impedance bandgap reference and 0V to 10V compatible input pin to enable the user to work with analog signals with wide input swing.In addition, the DC2542A includes a power down mode which can be enabled via software. This allows the user to further reduce the overall power consumption of the system, therefore making the DC2542A an ideal device for low-power applications.The DC2542A ADC is highly integrated and provides a flexible platform with many features that make it suitable for a variety of applications. It is an ideal solution for multimedia, imaging, industrial control, data communication, and automotive diagnostic applications and is currently available in a 24-pin plastic dual-in-line package (PDIP).In conclusion, the DC2542A analog to digital converter is a reliable and highly integrated device that provides accurate and reliable results for various applications. The features of the DC2542A, such as its 12-bit resolution, low noise performance, low power consumption, and wide input voltage range options makes it an ideal choice for any application requiring superior analog-to-digital performance and reliability.

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