MAX1455 Maxim Integrated Products, MAX1455 Datasheet - Page 20

• Manufacturer Part Number: MAX1455
• Description: Low-Cost Automotive Sensor Signal Conditioner
• Manufacturer: Maxim Integrated Products

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Compensation requires an examination of the sensor
performance over the operating pressure and tempera-
ture range. Use a minimum of two test pressures (e.g.,
Low-Cost Automotive Sensor Signal
Conditioner
Table 15. ICRA Decode
20
Table 14. ATIM Definition
ICRA[3:0]
0110 to
0000
0001
0010
0011
0100
0101
1111
______________________________________________________________________________________
ATIM[3:0]
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
FS O TC D AC
Sensor Compensation Overview
OTCDAC
FSODAC
CONFIG
NAME
ODAC
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
In this mode, OUT is continuous; however, DIO accepts commands after 32,769 byte times. Do not parallel
connect DIO to OUT.
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
+ 1 = 2 byte times, i.e., (2
+ 1 = 3 byte times
+ 1 = 5 byte times
+ 1 = 9 byte times
+ 1 = 17 byte times
+ 1 = 33 byte times
+ 1 = 65 byte times
+ 1 = 129 byte times
+ 1 = 257 byte times
+ 1 = 513 byte times
+ 1 = 1025 byte times
+ 1 = 2049 byte times
+ 1 = 4097 byte times
+ 1 = 8193 byte times
+ 1 = 16,385 byte times
Configuration register
Offset DAC register
Offset temperature coefficient DAC register
Full-scale output DAC register
Full-scale output temperature coefficient DAC register
Reserved. Do not write to this location (EEPROM test).
Reserved. Do not write to this location.
DURATION OF ANALOG SIGNAL SPECIFIED IN BYTE TIMES (8-BIT TIME)
✕
8) / baud rate
zero and full span) and two temperatures. More test
pressures and temperatures result in greater accuracy.
A typical compensation procedure can be summarized
as follows:
DESCRIPTION