Datasheet

AD5172/AD5173 Data Sheet
Rev. I | Page 12 of 28
–30
–20
–10
0
10
20
POTENTIOMETER MODE TEMPCO (ppm/°C)
30
40
50
1289632 640 160 192 224 256
CODE (DECIMAL)
R
AB
= 10kΩ
V
DD
= 2.7V
T
A
= –40°C TO +85°C, –40°C TO +125°C
V
DD
= 5.5V
T
A
= –40°C TO +85°C, –40°C TO +125°C
04103-047
Figure 18. AD5172 Potentiometer Mode Tempco ΔV
WB
/ΔT vs. Code
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
GAIN (dB)
FREQUENCY (Hz)
10k 1M100k 10M
0x80
0x40
0x20
0x10
0x08
0x04
0x010x02
04103-048
Figure 19. Gain vs. Frequency vs. Code, R
AB
= 2.5 kΩ
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
GAIN (dB)
FREQUENCY (Hz)
1k 100k10k 1M
0x80
0x40
0x20
0x10
0x08
0x04
0x01
0x02
04103-049
Figure 20. Gain vs. Frequency vs. Code, R
AB
= 10 kΩ
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
GAIN (dB)
FREQUENCY (Hz)
1k 100k10k 1M
0x80
0x40
0x20
0x10
0x08
0x04
0x01
0x02
04103-050
Figure 21. Gain vs. Frequency vs. Code, R
AB
= 50 kΩ
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
GAIN (dB)
FREQUENCY (Hz)
1k 100k10k 1M
0x80
0x40
0x20
0x10
0x08
0x04
0x01
0x02
04103-051
Figure 22. Gain vs. Frequency vs. Code, R
AB
= 100 kΩ
–60
–54
–48
–42
–36
–30
–24
–18
–12
–6
0
GAIN (dB)
FREQUENCY (Hz)
10k1k 100k 1M 10M
100kΩ
60kHz
50kΩ
120kHz
10kΩ
570kHz
2.5kΩ
2.2MHz
04103-052
Figure 23. −3 dB Bandwidth at Code = 0x80