Dynamic Differential Hall Effect Sensor IC
Dynamic Differential Hall Effect Sensor IC
TLE 4923
Bipolar IC Features • • • • • • • • • • • • • Advanced performance...
Description
Dynamic Differential Hall Effect Sensor IC
TLE 4923
Bipolar IC Features Advanced performance Higher sensitivity Symmetrical thresholds High piezo resistivity Reduced power consumption South and north pole pre-induction possible AC coupled Digital output signal Two-wire interface Large temperature range Large airgap Low cut-off frequency Protection against reversed polarity
P-SSO-3-6
P-SSO-3-6
Type TLE 4923
Marking 4923 B
Ordering Code Q62705-K408
Package P-SSO-3-6
The differential Hall effect sensor TLE 4923 is compatible to the TLE 4921-3U, except for having a 2-wire interface. The TLE 4923 provides high sensitivity, a superior stability over temperature and symmetrical thresholds in order to achieve a stable duty cycle. TLE 4923 is particularly suitable for rotational speed detection and timing applications of ferromagnetic toothed wheels such as in anti-lock braking systems, transmissions, crankshafts, etc. The integrated circuit (based on Hall effect) provides a digital signal output with frequency proportional to the speed of rotation. Unlike other rotational sensors differential Hall ICs are not influenced by radial vibration within the effective airgap of the sensor and require no external signal processing.
Data Sheet
1
2000-07-01
TLE 4923
Pin Configuration (top view)
2.67
1.53
Center of sensitive area ± 0.15
1
2.5 2
3
VS
GND
C
AEP02039
Figure 1 Pin Definitions and Functions Pin No. 1 2 3 Symbol Function Supply voltage ...
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