HAL825UT-A数据手册传感器变送器的磁性传感器-线性罗盘（IC）规格书PDF

描述 Description

HAL 824和HAL 825是现有HAL 8xy系列的扩充，都是高精度磁场感应传感器，提供成比例线性输出信号。该系列满足对温度敏感性飘移和偏置的高要求。因为偏移度很低，该产品系列能够用于对偏置和感应稳定性要求很高的应用。这对节气门位置感应、油门踏板感应或者电流测量等应用都是必须的。产品提供比例模拟输出信号或者多元模拟输出。在多元模拟输出模式下，产品将LSN和MSN值分开输出。这让产品输出信号精度达到14位。主要参数，比如磁场范围，输出格式，敏感性，0磁场输出电压（VOQ），及温度系数可以通过在非易失性内存中对磁电路（线性和二次）编程来进行调整。两款产品封装都是小尺寸含铅TO92UT。

特性 Features

·Sensitivity drift over temperature less than ±1% (HAL 825 less than ±2%)
·Offset drift over temperature less than ±0.2% (HAL 825 less than ±0.3%) of VDD
·DNL of analog output ±0.9 LSB (±2 LSB for HAL 825)
·Wire Break Detection with 5 kΩ pull-up or pull-down resistor
·Four programmable magnetic ranges: ±30, ±60, ±80, and ±100 mT
·Two programmable 3 dB filter frequencies: 500 Hz and 1 kHz
·Programmable sensitivity and offset (VOQ)
·12-bit ratiometric analog output
·14-bit signal path
·Digital signal processing
·Temperature characteristics program-mable to match all common magnetic materials
·52 customer data bits
·Programming by modulation of the supply voltage
·Operates from –40 °C up to 150 °C ambient temperature
·Operates from 4.5 V up to 5.5 V supply voltage
·Magnetic characteristics extremely robust against mechanical stress