參數(shù)資料
型號: HMC1001-RC
廠商: Honeywell Microelectronics & Precision Sensors
文件頁數(shù): 7/15頁
文件大?。?/td> 1409K
描述: SENSOR LINEAR MAGN 1 AXIS 8-SIP
產(chǎn)品培訓(xùn)模塊: Magnetic Sensors
標準包裝: 5
傳感范圍: ±2g
類型: 線性
電源電壓: 5 V ~ 12 V
輸出類型: 差分電壓
特點: 羅盤 - 單軸
工作溫度: -55°C ~ 150°C
封裝/外殼: 8 引腳 SIP
供應(yīng)商設(shè)備封裝: 8 引腳 SIP
包裝: 管件
其它名稱: 342-1089
HMC1001-RC-ND
 
HMC1001/1002/1021/1022
 
www.honeywell.com
 
  7
For simpler circuits with less critical requirements for noise and accuracy, a single polarity pulse circuit may be employed
periodically (all sets or all resets). With these uni-polar pulses, several uni-polar pulses become close in performance to a
single bipolar set/reset pulse circuit.
 
NOISE CHARACTERISTICS
 
The noise density curve for a typical AMR sensor is shown in the figure below. The 1/f slope has a nominal corner
frequency near 10Hz and flattens out to a 3.8 nV/sqrtHz slope. This is approximately equivalent to the Johnson noise (or
white noise) for an 850 ohm resistor, the typical bridge resistance. To relate the noise density voltage to the magnetic
fields, use the following expressions:
 
For Vbridge = 5V and Sensitivity = 3.2mV/V/gauss, the bridge output (Voutput) is 16mV/gauss
 
The noise density at 1Hz is about 30nV/sqrtHz or 1.8 micro-gauss/sqrtHz
 
1/f noise (0.1 to 10Hz) = 30 * sqrt[(ln10/0.1)] nV = 64nV (rms) = 4 micro-gauss (rms) = 27 micro-gauss (pk-pk)
 
White noise (BW = 1kHz) = 3.8 * sqrt[BW] nV = 120nV (rms) = 50 micro-gauss (pk-pk)
 
 
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