ADuC7032 Даташит - Analog Devices
Номер в каталоге
ADuC7032
Компоненты Описание
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128 Pages
File Size
899.9 kB
производитель
Analog Devices
GENERAL DESCRIPTION
The ADuC7032 is a complete, system solution for battery monitoring in 12V automotive applications. The device integrates all of the required features to precisely and intelligently monitor, process and diagnose 12V battery parameters including battery current, voltage and temperature over a wide range of operating conditions.
FEATURES
High Precision ADCs
Dual Channel, Simultaneous Sampling, 16-Bit Σ−∆ ADCs
Third Independent ADC for Temperature Sensing
Programmable ADC throughput from 1Hz to 8KHz
On-Chip 5ppm/°C Voltage Reference
Current Channel
Fully differential, Buffered Input
Programmable Gain 1 to 512
ADC Input Range -200mV to +300mV
Digital Comparators, with Current Accumulator Feature
Voltage Channel
Buffered, On-Chip attenuator for 12V battery Inputs
Temperature Channel
External and On-Chip Temperature Sensor Options
Microcontroller
ARM7TDMI Core, 16/32-bit RISC architecture
20.48MHz PLL with Programmable Divider
PLL Input Source: On-Chip Precision Oscillator
On-Chip Low-Power Oscillator
External (32.768KHz) Watch Crystal
JTAG Port supports code download and debug
Memory
96k Bytes Flash/EE Memory, 6k Bytes SRAM
10KCycles Flash Endurance, 20 Years Flash Retention
In-Circuit Download via JTAG and LIN
64 x 16bit Result FIFO for Current and Voltage ADC
On-Chip Peripherals
LIN 1.2, 1.3 and 2.0 (Slave) Compatible Support via UART
with Hardware Synchronization
Flexible Wake-up I/O Pin, Master/Slave SPI Serial I/O
9-Pin GPIO Port, 2 X General Purpose Timers
Wake-up and Watchdog Timers
Power Supply Monitor, On-Chip Power-On-Reset
Power
Operates directly from 12V Battery Supply
Current Consumption
Normal Mode 10mA at 10MHz
Low Power Monitor Mode
Package and Temperature Range
48 Pin LQFP 7X7 mm body package
Fully specified for –40°C to 105°C operation
APPLICATIONS
Battery Sensing/Management for Automotive Systems
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