ADP1051(RevPrA) 데이터 시트보기 (PDF) - Analog Devices
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ADP1051 Datasheet PDF : 17 Pages
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Preliminary Technical Data
ADP1051
Parameter
Current Source (Low Side)
Temperature Coefficient
CS2 ADC
Valid Input Voltage Range
ADC Clock Frequency
Resolution
Measurement Accuracy
Low Side Mode with User
Trim
Symbol
High Side Mode with User
Trim
CS2 Accurate OCP
Threshold Accuracy
Speed
CS2 Reverse Current Comparator
Threshold Accuracy
Threshold Speed
RTD TEMPERATURE SENSE PIN
Input Voltage
Input Voltage FSR
Source Current
RTD ADC
Valid Input Voltage Range
ADC Clock Frequency
Register Update Rate
Resolution
Measurement Accuracy
Test Conditions/Comments
4.99 kΩ, 0.1% differential resistor
From 0 mV to 110 mV
From 110 mV to 120 mV
From 0 mV to 110 mV
From 110 mV to 120 mV
Same as ADC accuracy
When set to 7 bits averaging speed
When set to 9 bits averaging speed
−3 mV setting
−6 mV setting
−9 mV setting
−12 mV setting
−15 mV setting
−18 mV setting
−21 mV setting
−24 mV setting
Debounce = 40 ns
Voltage from RTD to AGND
When set to 46 μA, factory default setting
When set to 40 μA
When set to 30 μA
When set to 20 μA
When set to 10 μA
From 2% to 20% of valid input voltage
Min
180
0
-1
−1.85
−2.22
−6.1
−6.36
−1.6
−1.92
−5.3
−6.36
-8.5
-12.0
-15.5
-18.5
−22.0
−25.5
−28.5
−32
0
44.3
38.6
28.8
18.8
9.1
−0.3
Rev. PrA | Page 5 of 17
Typ
Max
Unit
230
280
μA
70
ppm/°C
120
mV
1.56
MHz
12
Bits
+1
mV
+2.1
+2.52
+1.5
+0.84
% FSR
mV
% FSR
mV
+2.3
+2.76
+0.7
+0.84
% FSR
mV
% FSR
mV
82
us
328
us
−3.00 0
mV
−6
0
mV
−9
-2.9
mV
−12
-5.9
mV
−15
−8.0
mV
−18
−11.0 mV
−21
-14.0
mV
−24
−16.5 mV
110
150
ns
1.6
V
1.6
V
46
47.3
μA
40
42
μA
30
31.7
μA
20
21.5
μA
10
11
μA
1.6
V
1.56
MHz
100
Hz
12
Bits
+0.45 % FSR
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