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ADUCM330WFS Datasheet(Fiches technique) 1 Page - Analog Devices

Numéro de pièce ADUCM330WFS
Description  Integrated, Precision Battery Sensor for Automotive Systems
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Fabricant  AD [Analog Devices]
Site Internet  http://www.analog.com
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Integrated, Precision Battery Sensor for
Automotive Systems
Data Sheet
ADuCM330WFS/ADuCM331WFS
Rev. A
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother
rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
©2018–2019 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com
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 2.2-compatible slave, 100 kbaud fast download option
SAE J2602-compatible slave
Low electromagnetic emissions
High electromagnetic immunity
Memory
96 kB programmable Flash/EE memory (ADuCM330WFS),
ECC
128 kB programmable Flash/EE memory (ADuCM331WFS),
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
6 mm × 6 mm, 32-lead LFCSP
Fully specified for −40°C to +115°C operation; additional
specifications for 115°C to 125°C
AEC-Q100 qualified for automotive applications
Developed for use in ISO 26262 applications for ASIL
Capability A
APPLICATIONS
Battery sensing and management for automotive and light
mobility vehicles
Lead acid battery measurement for power supplies in
industrial and medical domains




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