Datasheet

AD5161 Data Sheet
Rev. B | Page 10 of 20
CODE (Decimal)
–50
0
50
100
150
200
320 96
64
128 160 192 224 256
RHEOSTAT MODE TEMPCO (ppm/°C)
Figure 16. Rheostat Mode Tempco ∆R
WB
/∆T vs. Code
CODE (Decimal)
–20
0
20
40
60
80
100
120
140
160
320 96
64
128 160 192 224 256
POTENTIOMETER MODE TEMPCO (ppm/°C)
Figure 17. Potentiometer Mode Tempco ∆V
WB
/∆T vs. Code
1k
10k 100k 1M
0
–6
–
12
–
18
–
24
–
30
–
36
–
42
–
48
–
54
–
60
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
REF LEVEL
0.000dB
/DIV
6.000dB
MARKER 1 000 000.000Hz
MAG (A/R) –8.918dB
START 1 000.000Hz STOP 1 000 000.000Hz
Figure 18. Gain vs. Frequency vs. Code, R
AB
= 5 kΩ
1k
10k 100k 1M
0
–
6
–12
–18
–24
–30
–36
–42
–48
–54
–60
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
REF LEVEL
0.000dB
/DIV
6.000dB
MARKER 510 634.725Hz
MAG (A/R) –9.049dB
START 1 000.000Hz STOP 1 000 000.000Hz
Figure 19. Gain vs. Frequency vs. Code, R
AB
= 10 kΩ
1k
10k 100k 1M
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
–60
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
REF LEVEL
0.000dB
/DIV
6.000dB
MARKER 100 885.289Hz
MAG (A/R)
–9.014dB
START 1 000.000Hz STOP 1 000 000.000Hz
Figure 20. Gain vs. Frequency vs. Code, R
AB
= 50 kΩ
1k
10k 100k 1M
0
–6
–
12
–
18
–
24
–
30
–
36
–
42
–
48
–
54
–
60
0x80
0x40
0x20
0x10
0x08
0x04
0x02
0x01
REF LEVEL
0.000dB
/DIV
6.000dB
MARKER 54 089.173Hz
MAG (A/R) –9.052dB
START 1 000.000Hz STOP 1 000 000.000Hz
Figure 21. Gain vs. Frequency vs. Code, R
AB
= 100 kΩ