Datasheet MLX90821 (Melexis) - 7

MLX90821
Relative Pressure Sensor IC
General Electrical Specifications
DC Operating Parameters TA = -40°C to 150°C Parameter Symbol Remarks Min Typ(1) Max Units Nominal supply voltage Vdd 4.5 5 5.5 V Nominal supply current Idd No output load connected, no NTC 8.5 11 mA connected(2) Decoupling capacitor on 47 100 nF supply Capacitive load on Cload 47 100 470 nF analog output Resistive load on analog Rload Pull up or Pull down 4.7 kOhm output Capacitive load on SENT Cload Pure capacitive load 2.2 nF output CRC load circuit 1.1nF + (C close to device + Series R + C close to 220Ω + connector) 1.1nF Resistive load on SENT Pull-up to Vdd at receiver(3) 10 55 kOhm output Supply programming Vdd_com Threshold to enter communication mode 6.2 7 7.8 V entry level Analog POR level (rising) 3.1 3.5 3.9 V Analog POR hysteresis 100 500 mV Digital POR level (rising) 2.05 2.3 2.7 V Digital POR hysteresis 10 200 mV Analog regulator VDDA -9% 3.5 +9% V Nominal bridge supply Vbrg -9% 3 +9% V voltage Sensing element 55 mV/V/bar sensitivity ADC resolution 16 Bits Diagnostic limits Diag low Pull-up ≥ 4.7kΩ 3 %Vdd Pull-down ≥ 4.7kΩ 3 Diag high Pull-up ≥ 4.7kΩ 96 %Vdd Pull-down ≥ 8kΩ 96 Clamping levels analog Clamp Programmable range with 7 bit resolution 0 12.5 %Vdd output low for the low clamping level, 9 for the high Clamp 50 100 %Vdd high 1 Typical values are defined at TA = +25°C and VDD = 5V. 2 Only applicable for SENT output and combination with NTC option. 3 As specified in the SENT standard REV 002 – 17 OCT 2019 Page 7 of 39 3901090821