32-bit Microcontroller with Integrated 24-Bit Delta-Sigma A/D Converter up to 125kSPS
In the field of microcontroller, Renesas recently introduced the RX23E-B, which is a revolutionary gadget. This isn’t your typical microcontroller; it’s a strong device that mixes advanced digital abilities with an exceptional analog front-end. Now, let’s examine this new technology more closely, highlighting its notable features and discussing how it’s ready to make a big impact in different industries.
Discover the RX23E-B: A Quick Look
The RX23E-B (Datasheet) by Renesas is a 32-bit minicomputer with up to 256-KB of memory notable for its built-in analog front end. This robust front end includes a very good 24-bit delta-sigma A/D converter that is extremely fast, handling data at up to 125 kSPS.
Compared to its older version, the RX23E-A, the RX23E-B has better speed and less noise. This major upgrade allows it to measure things like pressure, temperature, pressure, flow, current, and voltage much more accurately and quickly.
Meet the RX23E-B: What makes it special?
The RX23E-B from Renesas stands out among other microcontrollers. It is a 32-bit MCU that comes with ample 256-KB flash memory. However, its standout feature is the built-in analog front end. This distinct feature includes a 24-bit delta-sigma A/D converter that operates quickly, achieving data rates up to 125 kSPS.
Let’s explore why the RX23E-B is so impressive
Analog Front-End (AFE)
The RX23E-B boasts an analog front-end equipped with:
- A 24-bit delta-sigma A/D converter, offering up to 24-bit effective resolution and a data rate ranging from 3.8SPS to an impressive 125kSPS.
- Outstanding specifications including 4nV/°C offset drift and 1ppm/°C gain drift, ensuring exceptional accuracy in measurements.
- Multiple analog input options, including 5V analog inputs with eight differential inputs and 16 single-ended inputs, as well as ±10V analog inputs with two differential inputs and four single-ended inputs.
- A 16-bit D/A converter with excellent linearity specifications (DNL = ±1LSB, INL = ±5LSB).
- A reference voltage source featuring low temperature drift and exceptional stability, crucial for reliable measurements.
MCU Components
Under the hood, the RX23E-B houses:
- A powerful 32-bit RXv2 core clocked at 32MHz, facilitating robust digital signal processing (DSP) operations using dedicated DSP instructions and a floating-point unit (FPU).
- Versatile communication interfaces, including SPI, UART, I2C, and CAN channels, providing seamless connectivity options for various applications.
Renesas’ Vision and Market Position
Renesas remains dedicated to improving the new ideas and technology featured in its RX23E-B. They are a leading player in minicomputers, always striving to do more and keep up with what customers want. Renesas has great products and plans to further strengthen its position in the market by meeting the growing demand for powerful, versatile solutions.
Renesas’ Vision: Expanding Horizons with AFE Sensor Interface
Renesas wants to expand its possibilities using the AFE sensor interface in the RX23E-B. Sakae Ito, Renesas’ vice president of the IoT Platform Business Division, highlighted the RX23E-B’s AFE sensor interface. “By having the RX23E-B with an AFE sensor interface, we can meet many sensing needs from medium to high-end systems,” says Ito. This emphasizes how versatile the RX23E-B is for a variety of industries.
Ito also emphasized Renesas’ commitment to innovation: “We will continue to expand our products to meet the growing demand for low-power battery and wireless sensors.” This demonstrates Renesas’ dedication to meeting the changing market needs, particularly for energy-efficient sensors. The RX23E-B’s AFE sensor interface demonstrates Renesas’ forward-looking approach to adapting to the changing sensor technology landscape.
Final words
Renesas’ RX23E-B, a state-of-the-art 32-bit microcontroller with a built-in 24-bit delta-sigma A/D converter running at 125kSPS, revolutionizes the field. Its robust analog front-end offers high speed and accuracy, ideal for a variety of measurements. Renesas’ dedication to innovation, particularly in energy-efficient sensors, is evident in their commitment to expanding product offerings. The RX23E-B’s AFE sensor interface epitomizes Renesas’ forward-thinking approach, ready to embrace the evolving sensor technology landscape.
