参数资料
型号: TLE4966K
厂商: INFINEON TECHNOLOGIES AG
元件分类: 模拟信号调理
英文描述: MAGNETIC SENSOR, PDSO6
封装: GREEN, PLASTIC, TSOP-6
文件页数: 14/16页
文件大小: 865K
代理商: TLE4966K
TLE4966K
General
Data Sheet
7
Rev. 1.0, 2007-09
2
General
2.1
Block Diagram
Voltage Regulator
(reverse polarity protected)
Oscillator
& Sequencer
Bias and
Compensation
Circuits
Filter
Amplifier
Direction
Detection
Chopped
Hall
Probe
ESD
V
S
Q2
Comparator
with
Hysteresis
Q1
GND
Chopped
Hall
Probe
Figure 2
Block Diagram
2.2
Circuit Description
The chopped Double Hall Switch comprises two Hall probes, bias generator,
compensation circuits, oscillator, and output transistors.
The bias generator provides currents for the Hall probes and the active circuits.
Compensation circuits stabilize the temperature behavior and reduce technology variations.
The Active Error Compensation rejects offsets in signal stages and the influence of
mechanical stress to the Hall probes caused by molding and soldering processes and
other thermal stresses in the package. This chopper technique together with the threshold
generator and the comparator ensures high accurate magnetic switching points.
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