FEATURES
► High precision ADCs
► Dual-channel, simultaneous sampling
► IADC 20-bit Σ-Δ (minimizes range switching)
► VADC/TADC 20-bit Σ-Δ
► Programmable ADC conversion rate from 4 Hz to 8 kHz
► On-chip ±5 ppm/°C voltage reference
► Current channel
► Fully differential, buffered input
► Programmable-gain (from 4 to 512)
► ADC absolute input range: −200 mV to +300 mV
► Digital comparator with current accumulator feature
► Voltage channel
► Buffered, on-chip attenuator for 12 V battery input
► Temperature channel
► External and on-chip temperature sensor options
► Microcontroller
► ARM Cortex-M3 32-bit processor
► 16.384 MHz precision oscillator with 1% accuracy (high precision)
► Serial wire debug (SWD) port supporting code download and
debug
► Automotive qualified integrated LIN transceiver
► LIN 2.2A-compatible target, 100 kbaud fast download option
► SAE J2602-compatible target
► Low electromagnetic emissions
► High electromagnetic immunity
► Memory
► 128 kB programmable Flash/EE memory, ECC
► 10 kB SRAM, ECC
► 4 kB data Flash/EE memory, ECC
► 10,000 cycle Flash/EE endurance
► 20 year Flash/EE retention
► In circuit download via SWD and LIN
► On-chip peripherals
► SPI
► GPIO port
► General-purpose timer
► Wake-up timer
► Watchdog timer
► On-chip, power-on reset
► Power
► Operates directly from 12 V battery supply
► Power consumption, 8 mA typical (16 MHz) at TA = −40°C to
+115°C
► Low power monitor mode
► Package and temperature range
► 32-lead, LFCSP, 6 mm x 6 mm package
► Fully specified for −40°C to +115°C operation, additional specifications
for 115°C to 125°C
► AEC-Q100 qualified for automotive applications
► The ADuCM342WFS is developed for use in ISO 26262 applications
for automotive safety integrity level capability C (ASIL C)
supporting single-point fault metric (SPFM) 90% and latent fault
metric (LFM) 60% at the IC component level.

APPLICATIONS
► Battery sensing and management for automotive and light mobility
vehicles
► Auxiliary battery monitoring in xEV
► Lead acid battery measurement for power supplies in industrial
and medical domains