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MLX90129 Datasheet(PDF) 8 Page - Melexis Microelectronic Systems |
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MLX90129 Datasheet(HTML) 8 Page - Melexis Microelectronic Systems |
8 / 60 page MLX90129 13.56MHZ SENSOR TAG / DATALOGGER IC 3901090129 Page 8 of 60 Data Sheet Rev 009 Jun/12 Parameter Conditions / Comment Min Typ Max Units PROGRAMMABLE-GAIN AMPLIFIER PGA1 Gain accuracy Code PGA1gain[3:0] = 0000 (gain=8) -> 1010 (gain=75) 95 100 105 %typ PROGRAMMABLE-GAIN AMPLIFIER PGA2 Gain accuracy Code PGA2gain[2:0] = 000 (gain=1) -> 111 (gain=8) 95 100 105 %typ PGA1 + PGA2 + DAC Gain range 8 600 V/V Sensor offset trimming range (= offset max of the sensor) -Vref /32 +Vref /32 V Sensor offset trimming step 8-bits DAC (7 bits + sign) Ratio-metric, to cancel the offset of the sensor Vref /128 V Differential input range Gain (PGA) = 8 (if higher, PGA_Dir should be Vref/2 divided by the gain) Vref /16 V ADC differential input range ½.Vref V DAC (differential outputs) Resolution 7 bits + 1 bit sign 8 bit INL 0 0.5 lsb DNL 0 0.5 lsb Parameter Conditions / Comment Min Typ Max Units BRIDGE SUPPLIES & REFERENCES Reference serial resistance (Rv1, Rv2) 6 bits-programmable: Min Max 0.5 63.5 kΩ Serial resistance accuracy Above code 0b000111 (7.5 kΩ) 80 100 120 %typ Serial resistance step 1 kΩ Matching between Rv1 and Rv2 Above code 0b000111 (7.5 kΩ) 1 % INTERNAL TEMPERATURE SENSOR Full scale -40 +105 °C Output range ∆ Temp = 145°C, - 155 - mV Offset ∆ Vout at T = 25°C 45 mV Sensitivity ∆ Vout / ∆Temp - 1.06 - mV/°C Non-linearity (*) ∆ Temp = 145°C - ±2.65 - mV (*) The internal temperature sensor requires a calibration. On the full range the calibration allows an accuracy of ±2.5°C. This can be improved within a reduced temperature range (e.g. ±1°C within -30 and 30°C), or by using a remote (external) temperature probe (+/-0.5°over the full range) |
Similar Part No. - MLX90129_12 |
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Similar Description - MLX90129_12 |
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