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參數(shù)資料
| 型號(hào)： | MAX1462 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Voltage, Low-Power, 16-Bit Smart ADC |
| 中文描述： | 低電壓、低功耗、16位智能ADC |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 242K |
| 代理商： | MAX1462 |
Equation (1)
where D
L
, D
S
, and D
OFF
are determined by the end
product specification. D
L
is the desired MAX1462 out-
put corresponding to the L sensor excitation; D
S
is the
desired MAX1462 output corresponding to the S sensor
excitation; D
OFF
is the desired midscale output;
Signal
CL
is the digitized sensor reading at temperature
C with the L sensor excitation applied; and T
C
is the
digitized temperature reading at temperature C.
Unstable digitized temperature readings indicate that
thermal equilibrium has not been achieved, necessitat-
ing increased soak times or a better thermal control.
Averaging many readings from the MAX1462 will help
filter out AC variations in the sensor excitation and oven
temperature.
Begin calibration by soaking the sensor and the
MAX1462 pair at the first temperature, A, and apply the
L excitation to the sensor. Start a conversion and
record the digitized temperature T
A
and the digitized
D
D
Gain 1
G T
G T
Signal
Of
Of T
Of T
L
OFF
CL
0
=
+
+
+
+
+
M
Low-Voltage, Low-Power,
16-Bit Smart ADC
12
______________________________________________________________________________________
0F
MSB
Configuration
LSB
0D
0E
1F
MSB
0B
Gain
LSB
EE Address (hex)
Contents
10
1D
09
1E
0A
1B
EE Address (hex)
Contents
20
19
1A
0C
1C
18
16
08
17
14
12
06
13
15
11
07
2F
MSB
G
1
04
LSB
2D
02
2E
03
3F
MSB
05
2B
G
2
LSB
01
EE Address (hex)
Contents
30
3D
29
3E
2A
3B
EE Address (hex)
Contents
40
39
3A
2C
3C
38
36
28
37
34
32
26
33
35
31
27
24
22
23
25
21
4F
MSB
Of
0
LSB
4D
4E
5F
MSB
4B
Of
1
LSB
EE Address (hex)
Contents
50
5D
49
5E
4A
5B
EE Address (hex)
Contents
60
59
5A
4C
5C
58
56
48
57
54
52
46
53
55
51
47
6F
MSB
Of
2
44
LSB
6D
42
6E
43
7F
MSB
45
6B
D
OFF
LSB
41
EE Address (hex)
Contents
70
7D
69
7E
6A
7B
EE Address (hex)
Contents
00
79
7A
6C
7C
78
76
68
77
74
72
66
73
75
71
67
64
62
63
65
61
Table 7. EEPROM Memory Map
D7
Register 7—D
OFF
Register 8—Temperature
Signal
Register 0—Configuration
Register 1—Gain
Register 2—G
1
Register 3—G
2
Register 4—Of
0
Register 5—Of
1
Register 6—Of
2
56
Register 9—Sensor Signal
D8
01
D9
3B
Register 10—Compensated
Output D
D0
D1
D2
D3
D4
D5
D6
66 or 6C
47
11
2E
38
03
22
EA
65 or 6B
INSTRUCTION
CODE (PS)
(HEX)
S REGISTER VALUE
PROGRAM
COUNTER
(P)
(HEX)
Table 8. Subset of DSP Instruction
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