MAX1450 Ver la hoja de datos (PDF) - Maxim Integrated
Número de pieza
componentes Descripción
Fabricante
MAX1450 Datasheet PDF : 12 Pages
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Low-Cost, 1%-Accurate Signal Conditioner
for Piezoresistive Sensors
Table 4. MAX1450 Calibration and Compensation
Typical Uncompensated Input (Sensor)
Typical Compensated Transducer Output
Offset ..........................................................................±80% FSO
FSO ..................................................................................15mV/V
Offset TC ......................................................................-17% FSO
Offset TC Nonlinearity .....................................................1% FSO
FSO TC.........................................................................-35% FSO
FSO TC Nonlinearity........................................................1% FSO
Temperature Range...........................................-40°C to +125°C
VOUT ...................................................Ratiometric to VDD at 5.0V
Offset at +25°C ......................................................0.500V ±5mV
FSO at +25°C .........................................................4.000V ±5mV
Offset Accuracy Over Temp. Range.............±60mV (1.5% FSO)
FSO Accuracy Over Temp. Range ...............±60mV (1.5% FSO)
UNCOMPENSATED SENSOR ERROR
30
COMPENSATED TRANSDUCER ERROR
0.8
20
10
FSO
0
OFFSET
0.6
0.4
FSO
0.2
0
-0.2
-10
-20
-50
0
50
100
150
TEMPERATURE (°C)
-0.4
OFFSET
-0.6
-0.8
-50
0
50
100
150
TEMPERATURE °(C)
Figure 6. Comparison of an Uncalibrated Sensor and a Temperature-Compensated Transducer
Chip Information
TRANSISTOR COUNT: 1364
SUBSTRATE CONNECTED TO VSS
10 ______________________________________________________________________________________
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