Tuesday, December 6, 2011

Cypress PSoC precision analog development kit highlights 20-bit ADC with micro-volt measurements and differential inputs

SAN JOSE, USA: Cypress Semiconductor Corp. announced the new CY8CKIT-025 Development Kit for its PSoC 3 and PSoC 5 programmable system-on-chip architectures. The new kit highlights PSoC’s unique 8- to 20-Bit Delta-Sigma ADC with an internal voltage reference of +- 0.1 percent, a sampling rate of up to 384 ksps, and up to 18-bit effective number of bits (ENOB) performance.

It showcases the capability for measurements in microvolts enabled by a precision of 0.003 percent. In addition, the ADC enables designers to implement both differential and single-ended inputs for the Delta Sigma ADC, providing unmatched flexibility in interfacing with sensors of varying output types.

Another differentiating feature of PSoC 3 and PSoC 5’s Delta Sigma ADC is that designers can easily configure it with a wide range of resolutions, sample rates, and input buffer and gain modes. This is easily accomplished using the Graphical User Interface inside Cypress’s PSoC Creator IDE. The pre-written software “components” in PSoC Creator allow a user to graphically select the desired values, greatly simplifying device configuration.

The new kit includes each of four different types of analog temperature sensors, including a thermocouple, a diode, a thermistor and a resistance temperature detector (RTD). It also includes a bonus CY8CKIT-012 PSoC Prototyping and Development Expansion Board. Designers can buy the new development kit for $115.

The PSoC High Precision Analog solution is the first installment of a new PSoC Peripheral of the Month program designed to highlight applications and functions that standard MCUs can’t deliver, but PSoC can. Each peripheral will be presented with accompanying videos, app notes, webinars, etc.

“The precision analog capability of our PSoC 3 and PSoC 5 products is one of the unique capabilities that sets PSoC apart from standard MCUs,” said Gahan Richardson, VP for Cypress’s PSoC Platform. “In order to get this level of measurement accuracy with a standard controller, a designer would need to add a standalone differential ADC device that adds cost, power, board space and complexity to the design.”

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