Features and Benefits

  • High precision ADC
  • Dual channel, simultaneous sampling, 16-bit Σ-Δ ADCs
  • Programmable ADC throughput from 10 Hz to 1 kHz
  • On-chip 5 ppm/ºC voltage reference
  • Current channel
    Fully differential, buffered input
    Programmable gain
    ADC input range: −200 mV to +300 mV
    Digital comparator with current accumulator feature
  • Voltage channel
    Buffered, on-chip attenuator for 12 V battery input
  • JTAG port supports code download and debug
  • Memory
    64 kB Flash/EE memory options, 4-kB SRAM
    10,000-cycle Flash/EE endurance, 20-year Flash/EE retention
    In-circuit download via JTAG and LIN
  • On-chip peripherals
    LIN 2.1-compatible slave
    GPIO port
    1 × general-purpose timer
    Wake-up and watchdog timers
    On-chip power-on-reset
  • See data sheet for additional features

Product Details

The ADuC7039 is a complete system solution for battery monitoring in 12 V automotive applications. This 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-recommended Recommended for New Designs

This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

Evaluation Kits (1)

Tools & Simulations

Design Tools

Sigma-Delta ADC Tutorial

An interactive illustration showing the behavior of an idealized sigma-delta A/D converter.

Design Resources

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

Evaluation Boards

Pricing displayed is based on 1-piece.

Up to two boards can be purchased through Analog.com. To order more than two, please purchase through one of our listed distributors.

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.