AD5243/AD5248
50
RAB = 10kΩ
40
30
VDD = 2.7V
20
TA = –40°C TO +85°C, –40°C TO +125°C
10
0
–10
VDD = 5.5V
TA = –40°C TO +85°C, –40°C TO +125°C
–20
–30
0
32
64
96 128 160 192 224 256
CODE (DECIMAL)
Figure 18. Potentiometer Mode Tempco ΔVWB/ΔT vs. Code
0
–6
0x80
–12
0x40
0x20
–18
0x10
–24
0x08
–30
0x04
–36
0x02 0x01
–42
–48
–54
–60
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 19. Gain vs. Frequency vs. Code, RAB = 2.5 kΩ
0
–6
0x80
–12
0x40
–18
0x20
0x10
–24
0x08
–30
0x04
–36
0x02
–42
0x01
–48
–54
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 20. Gain vs. Frequency vs. Code, RAB = 10 kΩ
Data Sheet
0
–6
0x80
–12
0x40
–18
0x20
–24
0x10
–30
0x08
0x04
–36
0x02
–42
0x01
–48
–54
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 21. Gain vs. Frequency vs. Code, RAB = 50 kΩ
0
–6
0x80
–12
0x40
–18
0x20
–24
0x10
–30
0x08
–36
0x04
0x02
–42
0x01
–48
–54
–60
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 22. Gain vs. Frequency vs. Code, RAB = 100 kΩ
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
–60
1k
100kΩ
60kHz
50kΩ
120kHz
10kΩ
570kHz
2.5kΩ
2.2MHz
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 23. –3 dB Bandwidth at Code = 0x80
Rev. B | Page 10 of 20