产品概览
The ADUCM360BCPZ128 from Analog Devices is a low-power, precision analog microcontroller integrating a 32-bit ARM Cortex-M3 processor with dual 24-bit Sigma-Delta ADCs, a 12-bit voltage-output DAC, and 128 kB Flash/8 kB SRAM. Housed in a 48-lead LFCSP (7×7 mm) package, it operates from 1.8V to 3.6V with a maximum core speed of 16 MHz and targets precision measurement and control applications.
主要规格
| Processor Core | ARM Cortex-M3, 32-bit, up to 16 MHz |
| Flash / SRAM | 128 kB / 8 kB |
| ADC Channels | Dual 24-bit Sigma-Delta, 6 diff or 12 SE inputs |
| ADC Output Rate | 3.9 kSPS max |
| PGA Gain | 1 to 128 (per ADC) |
| 发援会 | 12-bit voltage output, 4-20 mA loop capable |
| Serial Interfaces | UART, I2C, 2x SPI |
| 电源电压 | 1.8V to 3.6V |
| Core Power | 290 uA/MHz (active) |
| 工作温度 | -40°C to +125°C |
| 包装 | LFCSP-48 (7 x 7 x 0.9 mm) |
特点
- Dual 24-bit Sigma-Delta ADCs with programmable gain amplifiers
- 12-bit voltage DAC with 4-20 mA loop NPN mode
- Programmable sensor excitation current sources
- Internal precision bandgap reference voltage
- On-chip 32 kHz oscillator and 16 MHz internal RC oscillator
- 11-channel DMA controller for all wired communication peripherals
应用
- 4-20 mA loop-powered smart transmitters
- Precision weighing scales and strain gauge measurement
- Industrial temperature and pressure sensing
- Battery-powered data acquisition systems
- Medical instrumentation