MAX1452_09 Datasheet, PDF (16/25 Pages) Maxim Integrated Products – Low-Cost Precision Sensor Signal Conditioner

Low-Cost Precision Sensor
Signal Conditioner
RAW SENSOR OUTPUT
T_A = +25°C
80
60
40
6
0
0
20
40
60
80
100
PRESSURE (kPs)
COMPENSATED TRANSDUCER ERROR
0.15
0.1
FSO OFFSET
0.05
0
-0.05
-0.1
-0.15
-50
0
50
100
150
TEMPERATURE (°C)
UNCOMPENSATED SENSOR
TEMPERATURE ERROR
30.0
FSO OFFSET
20.0
10.0
0.0
-10.0
-20.0
-50
0
50
100
150
TEMPERATURE (°C)
COMPENSATED TRANSDUCER
T_A = +25°C
5.0
4.0
3.0
2.0
1.0
0
0
20
40
60
80
100
PRESSURE (kPs)
Figure 8. Comparison of an Uncalibrated Sensor and a Calibrated Transducer
Table 2. Registers
REGISTER
CONFIG
ODAC
OTCDAC
FSODAC
FSOTCDAC
DESCRIPTION
Configuration Register
Offset DAC Register
Offset Temperature Coefficient DAC Register
Full Span Output DAC Register
Full Span Output Temperature Coefficient DAC Register
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