MLX90314AAL データシートの表示（PDF） - Melexis Microelectronic Systems
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MLX90314AAL Datasheet PDF : 26 Pages
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MLX90314AA
Programmable Sensor Interface
Features and Benefits
Microprocessor-controlled signal conditioning for bridge-type sensors
Suited for low-cost sensors: reduction of non-linearity by programmable coefficients
External or internal temperature sensor for compensating temperature errors
Versatile output signal ranges: 4, 5, 10, or 11VDC; 4 to 20 mA loop
Mass calibration easy with 2400 or 9600 baud UART
Power supply from 6 to 35VDC
Applications
Pressure transducers
Accelerometers
Temperature sensor assemblies
Linear position sensors
Ordering Information
art No.
MLX90314AA
MLX90314AA
Temperature Suffix
L
L
*UD denotes unpackaged die
Package
LW
UD*
Option
Temperature Range
-40C to 140C Automotive
-40C to 140C Automotive
Description
The MLX90314AA is a dedicated microcontroller which performs signal conditioning for sensors wired in bridge
or differential configurations. Sensors that can be used include thermistors, strain gauges, load cells, pressure
sensors, accelerometers, etc. The signal conditioning includes gain adjustment, offset control, high order
temperature and linearity compensation. Compensation values are stored in EEPROM and are re-
programmable. Programming is accomplished by using a PC, with an interface circuit (level shifting and glue
logic), and provided software.
The application circuits can provide an output
of an absolute voltage, relative voltage, or
current. The output can be range limited with
defined outputs when the signal is beyond
the programmed limits. Other features
include alarm outputs and level steering. The
robust electrical design allows the
MLX90314AA to be used where most signal
conditioning and sensor interface circuits
cannot be used. Voltage regulation control is
provided for absolute voltage and current
modes (external FET required).
The standard package is a plastic SO16W.
The device is static-sensitive and requires
ESD precautions.
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