參數(shù)資料
型號(hào): MAX1452
廠商: Maxim Integrated Products, Inc.
英文描述: Low-Cost Precision Sensor Signal Conditioner
中文描述: 低成本、高精度傳感器信號(hào)調(diào)理器
文件頁(yè)數(shù): 22/24頁(yè)
文件大?。?/td> 283K
代理商: MAX1452
M
Low-Cost Precision Sensor
Signal Conditioner
22
______________________________________________________________________________________
Table 14. ALOC Definition
ALOC[3:0]
ANALOG SIGNAL
DESCRIPTION
0000
OUT
PGA Output
0001
BDR
Bridge Drive
0010
ISRC
Bridge Drive Current Setting
0011
VDD
Internal Positive Supply
0100
VSS
Internal Ground
0101
BIAS5U
Internal Test Node
0110
AGND
Internal Analog Ground. Approximately half of VDD.
0111
FSODAC
Full Scale Output DAC
1000
FSOTCDAC
Full Scale Output TC DAC
1001
ODAC
Offset DAC
1010
OTCDAC
Offset TC DAC
1011
VREF
Bandgap Reference Voltage (nominally 1.25V)
1100
VPTATP
Internal Test Node
1101
VPTATM
Internal Test Node
1110
INP
Sensor
s Positive Input
1111
INM
Sensor
s Negative Input
Table 15. Effects of Compensation
TYPICAL UNCOMPENSATED INPUT (SENSOR)
TYPICAL COMPENSATED TRANSDUCER OUTPUT
Offset
…………………
..
……
.
…………………………
..
±
100%FSO
FSO
……………………………
.
………………………
..1 to 40mV/V
Offset TC
…………………………………………………
...20% FSO
Offset TC Nonlinearity
..
…………………………………
.4% FSO
FSOTC
…………………………
..
………………………
..-20% FSO
FSOTC Nonlinearity
..
……
..
……………………………
.5% FSO
Temperature Range..
.
.
……………………
..-40
°
C to +125
°
C
OUT..
……
.
……………………………
..Rati om etr c to V D D at 5.0V
Offset at +25
°
C
……………………………………
0.500V
±
200
μ
V
FSO at +25
°
C
……………………………………
...4.000V
±
200
μ
V
Offset accuracy over temp. range
.
………
±
4mV (
±
0.1% FSO)
FSO accuracy over temp. range
……………
±
4mV (
±
0.1% FSO)
Chip Information
TRANSISTOR COUNT: 67,382
SUBSTRATE CONNECTED TO: V
SS
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MAX1452AAE Low-Cost Precision Sensor Signal Conditioner
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MAX1452EAE Low-Cost Precision Sensor Signal Conditioner
MAX1457 0.1%-Accurate Signal Conditioner for Piezoresistive Sensor Compensation
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