參數(shù)資料
型號: AM512BVD
廠商: RENISHAW PLC
元件分類: 磁阻傳感器
英文描述: MAGNETIC FIELD SENSOR-HALL EFFECT, 1-4 V, SQUARE, SURFACE MOUNT
封裝: ROHS COMPLIANT, LQFP-44
文件頁數(shù): 18/22頁
文件大?。?/td> 608K
代理商: AM512BVD
Data sheet
AM512BD01_04
Issue 4, 14
th January 2009
2009 RLS d.o.o.
A
associate company
5
Absolute maximum ratings
Ambient temperature TA = 22 °C unless otherwise noted.
Parameter
Symbol
Min.
Max.
Unit
Note
Supply voltage
Vdd
-0.3
7
V
Input pin voltage
Vin
-0.3
Vdd + 0.7
V
Input current (latch-up immunity)
Iscr
50
mA
Electrostatic discharge
ESD
2
kV
*
Junction temperature
Tj
160
°C
Storage temperature range
Tst
-65
170
°C
Humidity non-condensing
H
5
85
%
* Human Body Model
Operating range conditions
Parameter
Symbol
Min.
Typ.
Max.
Unit Note
Operating temperature range
To
-40
125
°C
Supply voltage
Vdd
4.75
5
5.25
V
Supply current
Idd
18
20
35
mA
*
Input frequency
fin
500
Hz
**
Power-up time
tp
10
ms
***
*
Supply current is changed if some external components are changed. Typ. figure is for
recommended values; it does not include output drive currents.
**
Input frequency is the magnet rotational speed.
*** Time between power-on and valid output data.
Digital outputs
Parameter
Symbol
Min.
Max.
Unit Note
High level output voltage
VOH
4
Vdd
V
At IH < 3 mA*
Low level output voltage
VOL
Vss
1
V
At IL < 3 mA**
*
IH is high level current.
** IL is low level current.
Digital inputs
Parameter
Symbol
Min.
Max.
Unit Note
High level input voltage
VIH
3.5
Vdd
V
Low level input voltage
VIL
Vss
1.5
V
CW or CCW rotation of the magnet
The arrow in Figure 3 shows clockwise (CW) rotation of the
magnet. The picture is a top view of the magnet placed
above the AM512B. CCW is counter clockwise rotation.
Fig. 3: CW rotation of the magnet
AM512B
1
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