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參數(shù)資料
| 型號： | KMI18 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 速度傳感器和接近開關 |
| 英文描述： | Integrated rotational speed sensor |
| 封裝： | KMI18/4<SOT477A (SOT477A)|<<http://www.nxp.com/packages/SOT477A.html<1<Always Pb-free,; |
| 文件頁數(shù)： | 2/12頁 |
| 文件大?。?/td> | 76K |
| 代理商： | KMI18 |
2000 Sep 05
2
Philips Semiconductors
Preliminary specification
Integrated rotational speed sensor
KMI18/2
FEATURES
Open collector output
For active target wheel application
Wide air gap
Zero speed capability
Wide temperature range
Insensitive to vibration.
DESCRIPTION
The KMI18/2 sensor detects rotational speed of active
target wheels with magnetic reference marks.
It consists of a magnetoresistive sensor element, an
integrated circuit for signal conditioning and a ferrite
magnet.
The frequency of the digital voltage output signal is
proportional to the rotational speed of the target wheel.
An open collector output gives high flexibility in the design
of the subsequent signal conditioning electronics.
PINNING
CAUTION
Do not press two or more products together against their
magnetic forces. Do not expose products to strong
magnetic fields of more than 30 kA/m.
PIN
SYMBOL
DESCRIPTION
1
2
3
V
CC
OUT
GND
DC supply voltage
open collector output
ground
handbook, halfpage
MBL224
1
2
3
B1
B2
B3
B4
Fig.1 Simplified outline (SOT477A).
QUICK REFERENCE DATA
Note
1.
Maximum power consumption according to power derating curve, see Fig.3.
SYMBOL
PARAMETER
CONDITIONS
T
amb
=
40 to +150
°
C
V
CC
= 5 V
MIN.
TYP.
MAX.
UNIT
V
CC
I
CC
H
yLH
H
yHL
T
amb
DC supply voltage
DC supply current
magnetic threshold for LH edge
magnetic threshold for HL edge
ambient operating temperature
4.5
6
100
400
40
5
7
250
250
16.5
10
400
100
+150
V
mA
A/m
A/m
°
C
V
CC
= 5 V; note 1
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