ADUCM342中文資料亞德諾數(shù)據(jù)手冊PDF規(guī)格書

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