TPL0501-100_15 Datasheet, PDF (6/22 Pages) Texas Instruments – 256 Taps Single Channel Digital Potentiometer With SPI Interface

TPL0501
SLIS136A – SEPTEMBER 2011 – REVISED SEPTEMBER 2011
TYPICAL CHARACTERISTICS (continued)
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0.10
5 .5V
5 .0V
2 .7V
0.00
-0.10
-0.20
-0.30
-40
-20
0
20
40
60
80
100
120
Temperature (C)
Figure 8. Full scale Error vs Temperature
50.00
5.5 V
5.0 V
40.00
2.7 V
30.00
20.00
10.00
0.00
-10.00
16
80
144
208
Digital Code
Figure 9. Temperature Coefficient vs Tap Position
(Potentiometer Mode)
100.00
5.5V
5.0V
2.7V
80.00
60.00
40.00
20.00
0.00
16
80
144
208
Digital Code
Figure 10. Temperature Coefficient vs Tap Position
(Rheostat Mode)
0.00
-6.00
-12.00
-18.00
-24.00
-30.00
-36.00
-42.00
-48.00
-54.00
-60.00
1.00E+03
0 x80 h
0 x40 h
0 x20 h
0 x10 h
0 x08 h
0 x04 h
0 x02 h
0 x01 h
1.00E+04
1.00E+05
Frequency (Hz)
1.00E+06
1.00E+07
Figure 11. Bandwidth ( potentiometer mode)
0.00
-6.00
-12.00
1 00k
7 5k
5 0k
2 5k
1 2.5k
-18.00
-24.00
-30.00
1.00E+03
1.00E+04
1.00E+05
Frequency (Hz)
1.00E+06
1.00E+07
Figure 12. Bandwidth (Rheostat mode)
6
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