ADUCM431

RECOMMENDED FOR NEW DESIGNS

Precision Analog Microcontroller, 12-Bit Analog Input and Output with MDIO Interface, Arm Cortex-M3

Data Sheet (Rev. SpC) Product Selection Table
Part Models
3
1ku List Price
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Part Details

  • Analog input and output
    • Multichannel, 12-bit, 2 MSPS ADC
      • Up to 16 external channels
      • Power, VDAC, IDAC, and temperature monitor internal channels
      • Single-ended and differential modes
      • 0 V to VREF analog input range
      • Input buffer included
      • Digital comparators
  • Up to nine, 12-bit voltage output VDACs
    • 4-channel, selectable output range
      • 0 V to 2.5 V or AVDDx − 0.1 (4-channel on the ADuCM430/ADuCM431/ADuCM432 and 3-channel on the ADuCM433)
      • AVDDNEG + 0.2 V to 0 V or −2.5 V to 0 V (4-channel on the ADuCM430 and 1-channel on the ADuCM433)
    • 4-channel, 0 V to 2.5 V or AVDDx − 0.2 V
    • 1-channel, 0 V to 2.5 V
  • Up to 4 low noise, 12-bit IDACs
    • 4-channel, configurable output range: 50 mA, 100 mA, or 150 mA (ADuCM430)
    • 1-channel, configurable output range: 50 mA, 100 mA, or 150 mA (ADuCM433)
  • Up to 4 voltage comparators with adjustable hysteresis voltage
  • TEC controller
    • Optional Buck or LDO regulator modes if not using TEC
    • Maximum heating and cooling current: 1.3 A
    • Current and voltage monitoring and protection
    • Soft start function
  • Microcontroller
    • 32-bit Arm Cortex-M3 core, RISC architecture
    • Serial wire port supports code download and debug
  • Clocking options
    • 16 MHz on-chip oscillator
    • 80 MHz PLL output
    • External clock source
  • Memory
    • Up to 2× 512 kB independent Flash/EE memories
    • 48 kB SRAM
  • Software triggered, in circuit reprogrammability via I2C
  • On-chip peripherals
    • 1× UART, 2× SPI, 2× I2C serial input and output
    • GPIO with multilevel voltage (3.3 V, 1.8 V, and 1.2 V) digital inputs
    • MDIO target up to 4 MHz (open drain)
    • 3× 16-bit and 1× 32-bit general-purpose timers
    • Wake-up timer (WUT)
    • Watchdog timers (WDT)
    • 32 element PLA
    • 16-bit PWM
    • Manchester encoder and decoder
    • All GPIOs support external interrupt
  • Power
    • Multiple supplies
      • AVDDx, IOVDDx, DVDD, and PVDDTECx : 2.85 V to 3.63 V
      • AVDDNEG (ADuCM430/ADuCM433): −1.8 V to −3.63 V
      • PVDDIDACxx/PVDDIDAC (ADuCM430/ADuCM433): 1.60 V to AVDDx
    • Flexible operating modes for low power applications
  • Packages and temperature range
    • 5 mm x 5 mm, 0.4 mm pitch, 121-ball CSP_BGA
    • 5 mm x 5 mm, 0.4 mm pitch, 72-ball CSP_BGA
    • Fully specified for TJ = –40°C to +125°C
  • Tools
ADUCM431
Precision Analog Microcontroller, 12-Bit Analog Input and Output with MDIO Interface, Arm Cortex-M3
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Data Sheet 1

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