MAX1452CAE Maxim Integrated Products, MAX1452CAE Datasheet - Page 22

• Manufacturer Part Number: MAX1452CAE
• Description: Board Mount Temperature Sensors Precision Sensor Signal Conditioner
• Manufacturer: Maxim Integrated Products

Low-Cost Precision Sensor
Signal Conditioner
22
Table 15. ALOC Definition
Table 16. Effects of Compensation
Offset…………………..…….………………………….±100% FSO
FSO…………………………….………………………..4 to 60mV/V
Offset TC…………………………………………………...20% FSO
Offset TC Nonlinearity…..………………………………….4% FSO
FSOTC…………………………..………………………..-20% FSO
FSOTC Nonlinearity…..……..…………………………….5% FSO
Temperature Range..….….……………………..-40°C to +125°C
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ALOC[3:0]
TYPICAL UNCOMPENSATED INPUT (SENSOR)
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
ANALOG SIGNAL
FSOTCDAC
OTCDAC
FSODAC
VPTATM
VPTATP
BIAS5U
AGND
ODAC
VREF
ISRC
OUT
BDR
VDD
VSS
INM
INP
PGA Output
Bridge Drive
Bridge Drive Current Setting
Internal Positive Supply
Internal Ground
Internal Test Node
Internal Analog Ground. Approximately half of VDD.
Full Scale Output DAC
Full Scale Output TC DAC
Offset DAC
Offset TC DAC
Bandgap Reference Voltage (nominally 1.25V)
Internal Test Node
Internal Test Node
Sensor’s Positive Input
Sensor’s Negative Input
OUT..…….……………………………..Rati om etr i c to V D D at 5.0V
Offset at +25°C………………………………… …0.500V ±200μV
FSO at +25°C…………………………………… ...4.000V ±200μV
Offset accuracy over temp. range….………±4mV (±0.1% FSO)
FSO accuracy over temp. range……………±4mV (±0.1% FSO)
TYPICAL COMPENSATED TRANSDUCER OUTPUT
DESCRIPTION