MLX90129RGO-CAA-000-TU(2012) 데이터 시트보기 (PDF) - Melexis Microelectronic Systems
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MLX90129RGO-CAA-000-TU Datasheet PDF : 60 Pages
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MLX90129
13.56MHZ SENSOR TAG / DATALOGGER IC
Parameter
Conditions / Comment
PROGRAMMABLE-GAIN AMPLIFIER PGA1
Gain accuracy
Code PGA1gain[3:0] =
0000 (gain=8) -> 1010 (gain=75)
PROGRAMMABLE-GAIN AMPLIFIER PGA2
Gain accuracy
Code PGA2gain[2:0] =
000 (gain=1) -> 111 (gain=8)
PGA1 + PGA2 + DAC
Gain range
Sensor offset trimming
range
Sensor offset trimming
step
Differential input range
ADC differential input
range
(= offset max of the sensor)
8-bits DAC (7 bits + sign)
Ratio-metric, to cancel the offset of the
sensor
Gain (PGA) = 8
(if higher, PGA_Dir should be Vref/2
divided by the gain)
DAC (differential outputs)
Resolution
7 bits + 1 bit sign
INL
DNL
Min
Typ
Max Units
95
100
105 %typ
95
100
105 %typ
8
600 V/V
-Vref /32
+Vref
V
/32
Vref /128
V
Vref /16
V
½.Vref
V
8
bit
0
0.5 lsb
0
0.5 lsb
Parameter
Conditions / Comment
Min Typ
Max Units
BRIDGE SUPPLIES & REFERENCES
Reference serial
6 bits-programmable:
resistance (Rv1, Rv2)
Min
Max
Serial resistance
accuracy
Serial resistance step
Matching between Rv1
and Rv2
Above code 0b000111 (7.5 kΩ)
Above code 0b000111 (7.5 kΩ)
0.5
kΩ
63.5
80 100
120
%typ
1
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)
3901090129
Rev 009
Page 8 of 60
Data Sheet
Jun/12
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