AD5122A 데이터 시트보기 (PDF) - Analog Devices
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AD5122A Datasheet PDF : 32 Pages
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Data Sheet
0.15
10kΩ, –40°C
10kΩ, +25°C
10kΩ, +125°C
0.10
100kΩ, –40°C
100kΩ, +25°C
100kΩ, +125°C
0.05
0
–0.05
–0.10
–0.15
0
50
100
CODE (Decimal)
Figure 12. INL vs. Code (AD5122A)
450
100kΩ
400
10kΩ
350
300
250
200
150
100
50
0
–50
0
0
50
100
150
200
255 AD5142A
25
50
75
100
127 AD5122A
CODE (Decimal)
Figure 13. Potentiometer Mode Temperature Coefficient ((ΔVW/VW)/ΔT × 106)
vs. Code
800
700
600
500
400
300
200
100
0
–40
IDD, VDD = 2.3V
IDD, VDD = 3.3V
IDD, VDD = 5V
ILOGIC, VLOGIC = 2.3V
ILOGIC, VLOGIC = 3.3V
ILOGIC, VLOGIC = 5V
VDD = VLOGIC
VSS = GND
10
60
TEMPERATURE (°C)
110 125
Figure 14. Supply Current vs. Temperature
AD5122A/AD5142A
0.06
0.04
0.02
0
–0.02
–0.04
–0.06
–0.08
–0.10
–0.12
–0.14
0
10kΩ, –40°C
10kΩ, +25°C
10kΩ, +125°C
100kΩ, –40°C
100kΩ, +25°C
100kΩ, +125°C
50
100
CODE (Decimal)
Figure 15. DNL vs. Code (AD5122A)
450
10kΩ
400
100kΩ
350
300
250
200
150
100
50
0
–50
0
50
100
150
200
255 AD5142A
0
25
50
75
100
127 AD5122A
CODE (Decimal)
Figure 16. Rheostat Mode Temperature Coefficient ((ΔRWB/RWB)/ΔT × 106)
vs. Code
1200
1000
VLOGIC = 1.8V
VLOGIC = 2.3V
VLOGIC = 3.3V
VLOGIC = 5V
VLOGIC = 5.5V
800
600
400
200
0
0
1
2
3
4
5
INPUT VOLTAGE (V)
Figure 17. ILOGIC Current vs. Digital Input Voltage
Rev. A | Page 15 of 32
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