MLX90129RGO-CAA-000-TU(2012) Просмотр технического описания (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
ADC
The ADC data output is a 16bit data. The MODE[1:0] bits controls the tradeoff between the duration of the
counting phase and the resolution. Mode 00 is the fastest but also the least accurate mode whereas the
mode 11 is the most accurate but the slowest. The LOW_POWER bit allows the user to reduce the power
consumption of the ADC
ADC parameter
ENOB: effective number of bits
Conversion time (*) in normal power mode
Conversion time (*) in low power mode
Mode 00
8
3.2
6.4
Mode 01
9
5.8
11.6
Mode 10
10
11.3
22.6
Mode 11
11
21
42
Units
bit
ms
(*): To get the sampling rate of the system, the initialization time must be added to the conversion time. This
time is programmable as it depends on the selected sensor (by default it is 150 µs).
6.8 VREG regulator, and Oscillators: electrical specifications
-40°C < Temp < 105°C, unless otherwise specified.
Parameter
Conditions / Comment
Min
Typ
Max
Units
VREG REGULATOR
VREG Output voltage
Low-volt option = 0
2.8
3.0
3.2
V
Low-volt option = 1 / Vbat>= 3V
2.0
2.2
2.4
V
Low-volt option = 1 / Vbat< 3V
2.0
2.2
2.7
V
VREG Output max. current Low-volt option = 0
Drop 7% VREG
2.0
mA
Drop 25% VREG
5.0
mA
Low-volt option = 1
Drop 7% VREG
2.0
mA
Drop 17% VREG
5.0
mA
VREG External capacitor Stable smoothed signal
0
-
10
µF
OSCILLATORS (time base for datalogging )
Accuracy with Internal Low
Frequency Oscillator
IAccuracy with External
With an ideal external
Crystal Oscillator
32,768kHz crystal
±15
%
±0.5
%
3901090129
Rev 009
Page 9 of 60
Data Sheet
Jun/12
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