Datasheet

AD5273
Rev. H | Page 10 of 24
CODE (Decimal)
500
400
300
200
100
–300
0648
RHEOSTAT MODE TEMPCO (ppm/
°
C)
16 24 32 40 48 56
0
–100
–200
03224-015
V
DD
= 5.5V
T
A
= 25°C
1kΩ
100kΩ
50kΩ
10kΩ
Figure 15. Rheostat Mode Tempco (∆R
WB
/R
WB
)/∆T vs. Code
CODE (Decimal)
40
30
20
10
0
–40
0648
POTENTIOMETER MODE TEMPCO (ppm/°C)
16 24 32 40 48 56
–10
–20
–30
03224-016
V
DD
= 5.5V
1kΩ
10kΩ
10kΩ
10kΩ
Figure 16. Potentiometer Mode Tempco (∆V
W
/V
W
)/∆T vs. Code
FREQUENCY (Hz)
0
–6
–12
–24
–18
–54
100 10M
MAGNITUDE (dB)
1k 10k 100k 1M
–30
–42
–36
–48
03224-017
0x3F
0x20
0x10
0x08
0x02 0x01 0x00
0x04
Figure 17. Gain vs. Frequency vs. Code, R
AB
= 1 kΩ
FREQUENCY (Hz)
0
–6
–12
–24
–18
–54
100 1M
MAGNITUDE (dB)
1k 10k 100k
–30
–42
–36
–48
03224-018
0x3F
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 18. Gain vs. Frequency vs. Code, R
AB
= 10 kΩ
FREQUENCY (Hz)
0
–6
–12
–24
–18
–54
100 1M
MAGNITUDE (dB)
1k 10k 100k
–30
–42
–36
–48
03224-019
0x3F
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 19. Gain vs. Frequency vs. Code, R
AB
= 50 kΩ
FREQUENCY (Hz)
0
–6
–12
–24
–18
–54
100 1M
MAGNITUDE (dB)
1k 10k 100k
–30
–42
–36
–48
03224-020
0x3F
0x20
0x10
0x08
0x04
0x02
0x01
0x00
Figure 20. Gain vs. Frequency vs. Code, R
AB
= 100 kΩ