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ADUC7039 Datasheet(PDF) 1 Page - Analog Devices |
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ADUC7039 Datasheet(HTML) 1 Page - Analog Devices |
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1 / 88 page  Integrated, Precision Battery Sensor for Automotive Systems ADuC7039 Rev. 0 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 www.analog.com Fax: 781.461.3113 ©2010 Analog Devices, Inc. All rights reserved. FEATURES 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 Temperature channel External and on-chip temperature sensor options Microcontroller ARM7TDMI-S core, 16-/32-bit RISC architecture 20.48 MHz PLL On-chip precision oscillator 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 Power Operates directly from 12 V battery supply Current consumption 7.5 mA (10 MHz) Low power monitor mode Package and temperature range 32-pin, 6 mm × 6 mm LFCSP Fully specified for −40°C to +115°C operation APPLICATIONS Battery sensing/management for automotive systems FUNCTIONAL BLOCK DIAGRAM 16-BIT Σ-Δ ADC BUF PGA IIN+ IIN– RESULT ACCUMULATOR DIGITAL COMPARATOR 16-BIT Σ-Δ ADC MUX BUF TCK RTCK TDI TDO NTRST TMS VBAT VTEMP GND_SW PRECISION ANALOG ACQUISITION 20MHz ARM7TDMI MCU PRECISION OSC LOW POWER OSC ON-CHIP PLL 1 × TIMER WDT W/U TIMER GPIO PORT SPI PORT LIN LIN LDO POR MEMORY 64KB FLASH 4KB RAM RESET TEMPERATURE SENSOR PRECISION REFERENCE ADuC7039 Figure 1. |
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