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KMZ43T Datasheet(PDF) 1 Page - NXP Semiconductors |
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KMZ43T Datasheet(HTML) 1 Page - NXP Semiconductors |
1 / 8 page 1. Product profile 1.1 General description The KMZ43T is a sensitive magnetic field sensor, employing the magnetoresistive effect of thin-film permalloy. The sensor contains two galvanic separated Wheatstone bridges, at a relative angle of 45 ° to one another. A rotating magnetic field in the x-y plane will produce two independent sinusoidal output signals, one a function of +cos(2 α) and the second a function of +sin(2α), α being the angle between sensor and field direction (see Figure 2). The KMZ43T is suited to high precision angle measurement applications under low field conditions (saturation field strength 25 kA/m). The sensor can be operated at any frequency between 0 Hz and 1 MHz. 1.2 Features I Accurate and reliable angle measurement I Mechanical robustness, contactless principle I Wear-free operation I Accuracy independent of mechanical tolerances I Extended temperature range 1.3 Applications 1.4 Quick reference data [1] Applicable for bridge 1 and bridge 2. [2] Bridge resistance between pin 4 to pin 8, pin 3 to pin 7, pin 1 to pin 5 and pin 2 to pin 6. KMZ43T Magnetic field sensor Rev. 05 — 4 March 2009 Product data sheet I Steering angle and torsion I Window wipers I Headlight adjustment I Fuel level I Motor positioning I Mirror positioning Table 1. Quick reference data Tamb =25 °C and Hext = 25 kA/m; VCC = 5 V; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit VCC supply voltage [1] - 59V Vpeak peak output voltage see Figure 2 [1] 60 67 75 mV Voffset offset voltage per supply voltage; see Figure 2 [1] −2 - +2 mV/V Rbridge bridge resistance [1][2] 2.7 3.2 3.7 k Ω |
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