Datasheet

AD5222
–5–
REV. 0
CODE – Decimal
70
–30
0 12816
POTENTIOMETER MODE TEMPCO – ppm/8C
32 48 64 80 96 112
50
40
30
60
20
10
0
–10
–20
V
DD
/V
SS
= 2.7V/0V
T
A
= 258C
50kV VERSION
100kV VERSION
1MV VERSION
10kV VERSION
Figure 9. ⌬ V
WB
/ ⌬ T Potentiometer Mode Tempco
CODE – Decimal
120
–80
0 12816
RHEOSTAT MODE TEMPCO – ppm/8C
32 48 64 80 96 112
80
60
40
100
20
0
–20
–40
–60
50kV VERSION
10kV VERSION
100kV VERSION
1MV VERSION
V
DD
/V
SS
= 2.7V/0V
T
A
= 258C
Figure 10. ⌬ R
WB
/ ⌬ T Rheostat Mode Tempco
FREQUENCY – Hz
0
–50
10 1M
GAIN - dB
–30
100 1k 10k 100k
–10
–20
–40
10M
20
H
08
H
10
H
02
H
04
H
01
H
CODE = 3F
H
T
A
= 258C
SEE TEST CIRCUIT FIGURE 32
Figure 11. 10 k Ω Gain vs. Frequency vs. Code
FREQUENCY – Hz
0
–12
1M
GAIN – dB
–6
100 1k 10k 100k
9
–3
–9
–15
–18
–21
3
6
V
DD
= +2.7V
V
SS
= –2.7V
DATA = 40
H
V
A
= 50mV rms
V
B
= 0V
10kV 764kHz
50kV 132kHz
100kV 64kHz
1MV 6.6kHz
BW
A
B
OP42
W
50kV
100kV
10kV
1MV
Figure 12. Gain vs. Frequency vs. R
AB
FREQUENCY – Hz
100k
THD + NOISE – %
10 100 1k 10k
10
0.001
FILTER = 22kHz
V
DD
= 62.7V
V
IN
= 1V rms
T
A
= 258C
SEE TEST CIRCUIT FIGURE 26
SEE TEST CIRCUIT FIGURE 25
0.01
0.1
1.0
Figure 13. Total Harmonic Distortion Plus Noise vs.
Frequency
FREQUENCY – Hz
10 1M
NORMALIZED GAIN FLATNESS – 0.1dB/DIV
100 1k 10k 100k
SEE TEST CIRUIT 27
V
DD
= 2.7V
V
SS
= –2.7V
V
A
= 50mV rms
V
B
= 0V
DATA = 40
H
W
A
B
OP42
10kV
50kV
100kV
1MV
Figure 14. Normalized Gain Flatness vs. Frequency