ADUC7039
NOT RECOMMENDED FOR NEW DESIGNSIntegrated, Precision Battery Sensor for Automotive
Part Details
- 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
SPI
GPIO port
1 × general-purpose timer
Wake-up and watchdog timers
On-chip power-on-reset - See data sheet for additional features
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.
APPLICATIONS
- Battery sensing/management for automotive systems
Documentation
Data Sheet 1
Application Note 2
Technical Articles 1
This is the most up-to-date revision of the Data Sheet.
Tools & Simulations
Sigma-Delta ADC Tutorial
An interactive illustration showing the behavior of an idealized sigma-delta A/D converter.
Open Tool