Features and Benefits

  • Dual channel, simultaneous sampling, 16-bit Σ-Δ ADC
  • Programming ADC throughput: 1 Hz to 8 kHz
  • On-chip 5 ppm/°C reference voltage source
  • Current channel
    Fully differential, buffered input
    Programmable gain: 1 to 512
    ADC input range: −200 mV to +300 mV
    Digital comparator with built-in current accumulator function
  • Voltage channel
    Buffered, On-chip attenuator, suitable for 12V battery input
  • Temperature channel
    External and on-chip temperature sensor solution
  • 16-bit/32-bit RISC architecture ARM7TDMI® core
  • 20.48 MHz PLL with programmable divider
  • PLL input source
    On-chip precision oscillator
    On-chip low-power oscillator
    External (32.768 kHz) clock crystal
  • JTAG port supports code download and debugging
  • 32 kB Flash/EE memory, 4 kB SRAM
  • Flash/EE durability: 10,000 cycles, data retention time: 20 years
  • Online download via JTAG and LIN
  • Use hardware synchronization to be compatible with SAEJ2602/LIN 1.3/LIN 2.0 (slave) via UART
  • Flexible wake-up I/O pins, master/slave SPI® serial I/O
  • 9-pin GPIO port, 3 general-purpose timers
  • Wake-up and watchdog timer
  • Power monitor, on-chip power-on reset
  • 12V battery power supply directly
  • Power consumption
    Normal mode: 10mA (10MHz)
    Low power consumption monitoring mode
  • 48 pins, 7 mm x 7 mm LFCSP package
  • Rated operating temperature range: −40°C to +115°C

Product Details

The ADuC7034 is a complete, system solution for battery monitoring in 12 V automotive applications. The device integrates all of the required features to precisely and intelligently monitor, process, and diagnose 12 V battery parameters including battery current, voltage and temperature over a wide range of operating conditions.


  • Battery sensing/management for automotive systems

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.