tle4942c Infineon Technologies Corporation, tle4942c Datasheet
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tle4942c
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tle4942c Summary of contents
Page 1
... Dynamic self-calibration principle Single chip solution No external components needed High sensitivity South and north pole pre-induction possible High resistance to piezo effects Large operating air-gaps Wide operating temperature range TLE4942C: 1.8nF overmolded capacitor Type TLE 4942 TLE 4942C Marking Ordering Code 4200E4 Q62705-K428 ...
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... Finally, the optimised piezo compensation and the integrated dynamic offset compensation enable easy manufacturing and elimination of magnet offsets. The TLE4942C is additionally provided with an overmolded 1.8nF capacitor for improved EMI performance. TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C 2 February 2002 ...
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... Pulse length Output Signal I Figure 3 Zero-crossing principle and corresponding output pulses Differential Magnetic Flux Density B Figure 4 Definition of differential magnetic flux density ranges TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C Range for EL pulse Range for warning pulse (max .airgap exceeded Warning ...
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... V GND CC Figure 1 hall probes: - right offset DAC center "x" "x"= (left + right)/2 - center left Figure 2 Block diagram TLE4942 - TLE4942C Data Sheet Date Code 1.44 Marking Center of sensitive area ±0.15 "Vcc" power supply regulator main comp oscillator (syst clock) speed - ...
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... Hall Effect IC moves from the pin GND to the pin V Direction of rotation left = DR-L DR–L information is issued in the output pulse length when the target wheel in front of the Hall Effect IC moves from the pin V Figure 5 Definition of rotation direction TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C . CC to the pin GND. CC ...
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... This signal is digitized by the direction ADC and fed into the DSP circuitry. There, the phase of the signal referring to the speed signal is analyzed and the direction information is forwarded to the output encoder. TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C Warning ...
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... MIL STD 883D Note: Stresses in excess of those listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. TLE4942 - TLE4942C Data Sheet 16.5V Limit values Unit Remarks Min Max -0 ...
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... Pre-induction offset B stat., m/o between mean of outer probes and center probe Differential Induction Note: Within the operating range the functions given in the circuit description are fulfilled. TLE4942 - TLE4942C Data Sheet Limit values Unit Min Max 4 ...
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... TLE4942C Current ripple dI / Limit threshold B Limit Airgap warning B Warning threshold Limit - Airgap warning B Warning threshold ratio B Limit Assembly position B EL threshold TLE4942 - TLE4942C Data Sheet Limit values Min Typ Max 5.9 7 8.4 11.8 14 16.8 1.9 Low 0.35 0.8 1.5 0.9 1.4 2 ...
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... During fast offset alterations, due to the calibration algorithm, exceeding the specified duty cycle is permitted for short time periods. TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C 300 6 * magn. ...
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... Output of EL pulse, f EL, max maximum frequency Length of stand still pulse t stop 1) Stand still period T stop magnetic switching edge is detected for a period longer than T still pulse is issued. TLE4942 - TLE4942C Data Sheet tf Limit values Min Typ Max ...
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... For magnitudes of the magnetic differential field below B In case no magnetic differential signal is detected for a time longer than the stand still period T , the stop pulse is output. Typically with the first output stop pulse, the stop circuitry reverts to the uncalibrated mode. TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C Xn+1 Xn ...
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... Transferred signal: DR-R Transferred signal: DR-L & EL Transferred signal: DR-R & Figure 8 Definition of PWM current interface Internal sensor speed signal Transferred signal: Stand still T stop Figure 9 Definition of stand still output pulse TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C t = 45µs pre-low X n 45µ ...
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... Internal sensor speed signal at increasing speed Transferred signal Pulse lengths are shorter than half speed period length Figure 10 Deviation of duty cycle at fast changing frequencies TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C Pulse lengths are longer than half speed period length 14 February 2002 ...
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... Only valid for non C- types! Ref. ISO 11452-3; test circuit 1; measured in TEM-cell B = 2mT; V =13.5V 100 Hz; T= 25° No. Parameter 1.2.2 EMC field strength Only valid for C-types! TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C !) M =13 100 Hz; T= 25° Level/typ. Symbol -100 V ...
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... EMC EMC- Generator Components: D1: 1N4007 D2: T 5Z27 1J C1: 10µF/35V C2: 1nF/1000V RM: 75 /5W Figure 11 Test Circuit 1 TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C V CC GND Mainframe 16 Sensor C 2 February 2002 ...
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... Package Outlines PSSO2-1 (Plastic Single Small Outline Package) TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C 17 February 2002 ...
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... PSSO2-2 (Plastic Single Small Outline Package) TLE4942 - TLE4942C Data Sheet TLE4942, TLE4942C 18 February 2002 ...