MLX16305 View Datasheet(PDF) - Melexis Microelectronic Systems
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MLX16305 Datasheet PDF : 29 Pages
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MLX16305
Interlock switch sensor interface IC
11. How to predict the system operating zone
11.1. VMEASout limits
The worst case output voltages, including measurement errors, on the MEAS_OUT pin can be predicted
with following formulas:
• For 5mA < ISENSE ≤ 40mA
- VMEASOUTmin = [ISENSE /10 * (1 - %Meas_Ierr1) + Ioffsetmin ] * RREF * 0.9
- VMEASOUT max = [ISENSE /10 * (1 + %Meas_Ierr1) + Ioffsetmax ] * RREF * 0.9
• For ISENSE ≤ 5mA
- VMEASOUTmin = [ISENSE/ 10 - IMeas_Ierr2 + Ioffsetmin ] * RREF * 0.9
- VMEASOUTmax = [ISENSE/ 10 + IMeas_Ierr2 + Ioffsetmax ] * RREF * 0.9
11.2. Isense limits
The operating range, and the corresponding maximum Isense, is defined by the Vsup-Vref range as
shown in the above graph.
Other limiting specifications are:
1) Absolute maximum allowable Isense < 90mA:
Under no condition the Isense current should be larger than 90mA, in order to avoid permanent damage
to the IC.
2) Minimum Current limitation threshold: see Overcurrent limitation (next paragraph)
3) Overtemperature shutdown: see Overtemperature Detection
3901016305
Rev. 008
Page 17 of 29
Data Sheet
Jun/12
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