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參數(shù)資料
| 型號： | 934055701118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO16 |
| 封裝： | 3.90 MM, PLASTIC, MS-012, SOT-109-1, SO-16 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 65K |
| 代理商： | 934055701118 |
2000 Jun 09
2
Philips Semiconductors
Product specication
Magnetic Field Sensor
KMZ52
FEATURES
High sensitivity
Integrated compensation coil
Integrated set/reset coil.
APPLICATIONS
Navigation
Current and earth magnetic field measurement
Traffic detection.
DESCRIPTION
The KMZ52 is an extremely sensitive magnetic field
sensor, employing the magnetoresistive effect of thin-film
permalloy. The sensor contains two magnetoresistive
Wheatstone bridges physically offset from one another by
90
° and integrated compensation and set/reset coils. The
integrated compensation coils allow magnetic field
measurement with current feedback loops to generate
outputs that are independent of drift in sensitivity. The
orientation of sensitivity may be set or changed (flipped) by
means of the integrated set/reset coils. A short current
pulse should be applied to the compensation coils to
recover (set) the sensor after exposure to strong disturbing
magnetic fields. A negative current pulse will reset the
sensor to reversed sensitivity. By use of periodically
alternated flipping pulses and a lock-in amplifier, the
output is made independent of sensor and amplifier offset.
PINNING
SYMBOL
PIN
DESCRIPTION
+Iip2
1
ip coil
VCC2
2
bridge supply voltage
GND2
3
ground
+Icomp2
4
compensation coil
GND1
5
ground
+Icomp1
6
compensation coil
I
comp1
7
compensation coil
VO1
8
bridge output voltage
+VO1
9
bridge output voltage
Iip1
10
ip coil
+Iip1
11
ip coil
VCC1
12
bridge supply voltage
I
comp2
13
compensation coil
V
O2
14
bridge output voltage
+VO2
15
bridge output voltage
I
ip2
16
ip coil
handbook, halfpage
16
1
9
8
pin 1 index
MBL201
Fig.1 Simplified outline SOT109-1.
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