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AS8501 датащи(PDF) 33 Page - ams AG

номер детали AS8501
подробное описание детали  High precision voltage and current measurement sensor interface
PDF  40 Pages
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производитель  AMSCO [ams AG]
домашняя страница  http://www.ams.com
Logo AMSCO - ams AG

AS8501 датащи(HTML) 33 Page - ams AG

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AS8501 - Preliminary Data Sheet
austriamicrosystems
Revision 1.1, 04-April-06
www.austriamicrosystems.com
Page 33 of 40
8.6.2
Stored ZZR-register mapping
ZZR-Register
ZZR subregister
10
9
8765
4321
0
msb
lsb
ZLO
x
x
x
x
x
187 183
TRIMC
x
x
x
x
x
182 178
current source calibration
TRIMA
x
x
x
x
x
177 173
PGA offset calibration
TRIMBV
x
x
x
x
x
172 168
reference voltage calibration
TRIMBTC
x
x
x
x
x
167 163
TC calibration
CGI1
c0
c0
c0
c0
c0
c0
c0
c0
c0
c0
c0
162 152
gain 6
currrent 1500A
CGI2
c1
c1
c1
c1
c1
c1
c1
c1
c1
c1
c1
151 141
gain 24
current 300 A
CGI3
c2
c2
c2
c2
c2
c2
c2
c2
c2
c2
c2
140 130
gain 50
current 150 A
CGI4
00
0000
0000
0
129 119
gain100
current 75 A
CAU0
c1
c1
c1
c1
c1
c1
c1
c1
c1
c1
c1
118 108
calibration factor for gain 24
CAU1
11
1111
1111
1
107
97
CAU2
11
1111
1111
1
96
86
CAU3
c4
c4
c4
c4
c4
c4
c4
c4
c4
c4
c4
85
75
calibration factor for gain 1
CAU4
c3
c3
c3
c3
c3
c3
c3
c3
c3
c3
c3
74
64
calibration factor for gain 100
CAU5
ct
ct
ct
ct
ct
ct
ct
ct
ct
ct
ct
63
53
calibration factor for internal temperature
TCU1
1
cscs
cscscscs
cscs
52
44
8 bits for checksum
1)
TCU0
1
1
1
fi
fi
fi
fi
fi
fi
43
35
6 bits for internal clock
2)
TRT0
ttt
tttt
tttt
34
24
11 bits for internal temperature at 23°C
TCN3
n23
nn
nnnn
n
23
16
high byte for serial number
TCN2
nnn
nnnn
n
15
8
medium byte for serial number
TCN1
nnn
nnnn
n0
7
0
low byte for serial number
x
= these fields are written during calibration
c0
= these fields are written during calibration of G6
c1
= these fields are written during calibration of G24 (i.e. 30 mV = 30 000 digits)
0
= Zero value of calibration constant for detection of unwanted POR
ct
= calibration factor for slope of Tint : 75 digits/deg
cs =
8-Bit checksum for ZZR-register
fi
=
6-bit for calibration of internal clock
t
= 11 bits for Tint value at 23 °C
nr
= 24 bits serial number
ZTC
bit no. in subregister
ZZR-bits
remarks
ZCL
ZTR
Notes:
1)
The checksum contains the added value of all bits in the ZZR register without the 6 checksum bits
2)
Tthe internal clock frequency can be calculated int_fclk= (240 + 6-bit fi-number) kHz



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