ADUCM362BCPZ128

ADUCM362 is a fully integrated, 3.9KSPS, 24bit data acquisition system that incorporate dual, high performance, multichannel sigma-delta (Σ-Δ) analogue-to-digital converters (ADCs), a 32bit ARM Cortex™-M3 processor, and flash/EE memory on a single chip. It is designed for direct interfacing to external precision sensors in both wired and battery-powered applications. This device contains an on-chip 32KHz oscillator and an internal 16MHz high frequency oscillator. The high frequency oscillator is routed through a programmable clock divider from which the operating frequency of the processor core clock is generated. The maximum core clock speed is 16MHz; this speed is not limited by operating voltage or temperature. It is used in application such as industrial automation and process control, intelligent precision sensing systems, 4mA to 20mA loop-powered smart sensor systems, medical devices, patient monitoring etc.

• Dual 24bit ADCs
• 128kB/16kB flash/SRAM
• Conversion rate is 3.5Hz to 3906Hz
• RMS noise and data output rates is 24bits minimum at (AVDD/IOVDD = 1.8V to 3.6V)
• Integral nonlinearity is ±10ppm of FSR typ at (gain = 1, input buffer off)
• Simultaneous 50Hz/60Hz noise rejection, programmable sensor excitation current sources
• Flexible input mux for input channel selection to both ADCs
• On-chip precision voltage reference, two external reference options supported by both ADCs
• Wake-up timer/watchdog timer, multichannel DMA and interrupt controller
• Operating temperature is -40°C to +125°C, package style is 48-lead LFCSP

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