Datasheet

Data Sheet AD5122/AD5142
Rev. 0 | Page 15 of 32
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
0
50
100
INL (LSB)
CODE (Decimal)
10kΩ, –40°C
10kΩ, +25°C
10kΩ, +125°C
100k
Ω, –40°C
100kΩ, +
2
5°C
100kΩ, +
125
°C
10880-014
Figure 14. INL vs. Code (AD5122)
–50
0
50
100
150
200
250
300
350
400
450
POTENTIOMETER MODE TEMPERATURE
COEFFICIENT (ppm/°C)
CODE (Decimal)
100k
Ω
10k
Ω
10880-015
0 50 100 150 200 255
0 25 50 75 100 127
AD5122
AD5142
Figure 15. Potentiometer Mode Temperature Coefficient ((ΔV
W
/V
W
)/ΔT × 10
6
) vs.
Code
0
100
200
30
0
400
50
0
600
700
800
CURRENT
(nA)
TEMPERATURE (°C)
I
DD
, V
DD
= 2.3V
I
DD
, V
DD
= 3.
3V
I
DD
, V
DD
= 5V
I
LOGIC
, V
LOGIC
= 2.3V
I
LOGI
C
, V
LOGIC
= 3.3V
I
LOGIC
, V
LOGIC
= 5V
V
DD
= V
LOGIC
V
SS
= GND
10880-016
–40 10 60 125110
Figure 16. Supply Current vs. Temperature
–0.14
–0.12
–0.10
–0.08
–0.06
–0.04
–0.02
0
0.02
0.04
0.06
0
50 100
DNL (LSB)
CODE (Decimal)
10kΩ, –40°C
10kΩ, +25°C
10kΩ, +125°C
100kΩ, –40°C
100kΩ, +25°C
100kΩ, +125°C
10880-017
Figure 17. DNL vs. Code (AD5122)
–50
0
50
100
150
200
250
300
350
400
450
RHEOSTAT MODE TEMPERATURE
COEFFICIENT (ppm/°C)
10kΩ
100kΩ
10880-018
CODE (Decimal)
0 50 100 150 200 255
0 25 50 75 100 127
AD5122
AD5142
Figure 18. Rheostat Mode Temperature Coefficient ((ΔR
WB
/R
WB
)/ΔT × 10
6
)
vs. Code
0
200
400
600
800
100
0
120
0
0 1 2 3 4 5
I
LOGIC
CURRENT (µA)
INPUT VOLTAGE (V)
V
LOGIC
= 1.8V
V
LOGIC
= 2.3V
V
LOGIC
= 3.3V
V
LOGIC
= 5V
V
LOGIC
= 5.5V
10880-019
Figure 19. I
LOGIC
Current vs. Digital Input Voltage