MAX1454 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1454 Datasheet PDF : 25 Pages
| |||
MAX1454
Precision Sensor Signal Conditioner
with Overvoltage Protection
ELECTRICAL CHARACTERISTICS (continued)
(VDDX = 5V, VGND = 0V, TA = +25NC, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
Operating Current
(Note 4)
Program/Erase Current
(Note 4)
TEMPERATURE-TO-DIGITAL CONVERTER
Temperature ADC Resolution
Offset
Gain
Nonlinearity
Lowest Digital Output
Highest Digital Output
DIGITAL INPUT (OUT/DIO)
Input Low Voltage
VIL
Input High Voltage
VIH
OVERVOLTAGE PROTECTION
Overvoltage-Protection
Threshold
FAULT DETECTION
IN+/IN- Low Comparator
Threshold
IN+/IN- High Comparator
Threshold
Detection-Threshold Accuracy
Comparator Hysteresis
Output Clip Level During Fault
Conditions
IOUT = 1mA sinking
MIN TYP MAX UNITS
8
mA
7
mA
8
Q3
1.5
Q0.5
0x00
0xAF
Bits
LSB
NC/Bit
LSB
hex
hex
0
VDDX x
2/3
VDDX/3
V
VDDX
V
5.53 5.75 6.0
V
0.2 x
VBDR
V
0.8 x
VBDR
V
Q25
mV
20
mV
150 250
mV
Note 2: All units are production tested at TA = +25NC and +125NC. Specifications over temperature are guaranteed by design.
Note 3: Excludes sensor or load current. Analog mode with voltage excitation on BDR pin, FSODAC = 0x8000.
Note 4: Specification is guaranteed by design.
Note 5: All electronics temperature errors are compensated together with sensor errors.
Note 6: The sensor and the device must be at the same temperature during calibration and use.
Note 7: This is the maximum allowable sensor offset.
Note 8: This is the sensor’s sensitivity normalized to its drive voltage, assuming a desired full-span output of VDDX - 1V and a
nominal bridge voltage of VDDX/2.
Note 9: Bit weight is ratiometric to VDDX.
Note 10: Programming of the flash memory at room temperature is recommended.
Note 11: No commands can be executed until the erase operation has completed. During erase operations, all commands sent to
the device are ignored.
����������������������������������������������������������������� Maxim Integrated Products 5
Share Link: 