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ADUC7033 Datasheet(PDF) 1 Page - Analog Devices

Part # ADUC7033
Description  Integrated, Precision Battery Sensor for Automotive
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADUC7033 Datasheet(HTML) 1 Page - Analog Devices

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Integrated, Precision Battery
Sensor for Automotive
ADuC7033
Rev. B
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
©2007–2010 Analog Devices, Inc. All rights reserved.
FEATURES
High precision ADCs
Dual channel, simultaneous sampling, 16-bit, Σ-Δ ADCs
Programmable ADC throughput from 1 Hz to 8 kHz
On-chip 5 ppm/°C voltage reference
Current channel
Fully differential, buffered input
Programmable gain from 1 to 512
ADC input range: −200 mV to +300 mV
Digital comparators, with current accumulator feature
Voltage channel
Buffered, on-chip attenuator for 12 V battery inputs
Temperature channel
External and on-chip temperature sensor options
Microcontroller
ARM7TDMI core, 16-/32-bit RISC architecture
20.48 MHz PLL with programmable divider
PLL input source
On-chip precision oscillator
On-chip low power oscillator
External (32.768 kHz) watch crystal
JTAG port supports code download and debug
Memory
96 kB Flash/EE memory, 6 kB SRAM
10,000-cycle Flash/EE endurance, 20-year Flash/EE
retention
In-circuit download via JTAG and LIN
On-chip peripherals
LIN 2.0-compatible (slave) support via UART with
hardware synchronization
Flexible wake-up I/O pin, master/slave SPI serial I/O
9-pin GPIO port, 3× general-purpose timers
Wake-up and watchdog timers
Power supply monitor and on-chip power-on reset
Power
Operates directly from 12 V battery supply
Current consumption
Normal mode: 10 mA at 10 MHz
Low power monitor mode
Package and temperature range
48-lead, 7 mm × 7 mm LQFP
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 TDI TDO NTRST TMS
VBAT
VTEMP
VREF
PRECISION ANALOG ACQUISITION
ARM7TDMI
MCU
20MHz
PRECISION
OSC
LOW POWER
OSC
ON-CHIP PLL
XTAL1
XTAL2
3 × TIMERS
WDT
W/U TIMER
GPIO PORT
UART PORT
SPI PORT
LIN
WU
STI
LIN/BSD
2.6V LDO
PSM
POR
MEMORY
96KB FLASH
6KB RAM
RESET
TEMPERATURE
SENSOR
PRECISION
REFERENCE
ADuC7033
Figure 1.


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