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. APPLICATIONS * Battery sensing/management for automotive systems * 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