TPL0401A_17 Datasheet, PDF (7/33 Pages) Texas Instruments – 128-TAPS Single-Channel Digital Potentiometer With I2C Interface

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7.7 Typical Characteristics
0.15
2.7 V
3.3 V
0.1
5.5 V
0.05
0
-0.05
-0.1
-0.15
0
18
36
54
72
90 108 126
Digital Code
D001
Figure 1. INL vs Tap Position (Potentiometer Mode)
1
2.7 V
3.3 V
5.5 V
0.5
0
-0.5
-1
0
16 32 48 64 80 96 112 128
Digital Code
D003
Figure 3. INL vs Tap Position (Rheostat Mode)
1
2.7 V
3.3 V
5.5 V
0.5
0
-0.5
-1
-40
-10
20
50
80
110 130
Temperature (qC)
D005
Figure 5. End-to-End R_TOTAL Change vs Temperature
TPL0401A
TPL0401B
SLIS144B – SEPTEMBER 2011 – REVISED FEBRUARY 2017
0.15
2.7 V
3.3 V
0.1
5.5 V
0.05
0
-0.05
-0.1
-0.15
0
18
36
54
72
90 108 126
Digital Code
D002
Figure 2. DNL vs Tap Position (Potentiometer Mode)
0
2.7 V
-0.1
3.3 V
-0.2
5.5 V
-0.3
-0.4
-0.5
-0.6
-0.7
-0.8
-0.9
-1
-40 -20 0 20 40 60 80 100 120
Temperature (qC)
D004
Figure 4. Full Scale Error vs Temperature
300
2.7 V
270
3.3 V
240
5.5 V
210
180
150
120
90
60
30
0
0
16 32 48 64 80 96 112 128
Digital Code
D006
Figure 6. Temperature Coefficient vs TAP Position
(Potentiometer Mode)
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