AD5273
500
400
300
1kΩ
200
10kΩ
100
VDD = 5.5V
TA = 25°C
0
–100
–200
50kΩ
100kΩ
–300
0
8
16
24 32
40
48
56
64
CODE (Decimal)
Figure 15. Rheostat Mode Tempco (∆RWB/RWB)/∆T vs. Code
40
VDD = 5.5V
30
1kΩ
20
10kΩ
10
0
–10
10kΩ 10kΩ
–20
–30
–40
0
8
16
24 32
40
48
56
64
CODE (Decimal)
Figure 16. Potentiometer Mode Tempco (∆VW/VW)/∆T vs. Code
0x3F
0
0x20
–6
0x10
–12
0x08
–18
0x04
–24
–30
–36 0x02
0x01
0x00
–42
–48
–54
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
Figure 17. Gain vs. Frequency vs. Code, RAB = 1 kΩ
Data Sheet
0x3F
0
0x20
–6
0x10
–12
0x08
–18
0x04
–24
0x02
–30
0x01
–36
–42
0x00
–48
–54
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 18. Gain vs. Frequency vs. Code, RAB = 10 kΩ
0x3F
0
0x20
–6
0x10
–12
0x08
–18
0x04
–24
0x02
–30
0x01
–36
–42
–48
–54
100
0x00
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 19. Gain vs. Frequency vs. Code, RAB = 50 kΩ
0x3F
0
0x20
–6
0x10
–12
0x08
–18
0x04
–24
0x02
–30
0x01
–36
–42
–48
–54
100
0x00
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 20. Gain vs. Frequency vs. Code, RAB = 100 kΩ
Rev. J | Page 10 of 20