Datasheet

AD5220
–5–REV.
CODE – Decimal
POTENTIOMETER MODE TEMPCO – ppm/8C
60
–10
0
16 128
32 48 64 80 96 112
53
32
25
11
–3
46
39
18
4
–558C < T
A
< +858C
V
DD
= +5.5V
50kV AND 100kV VERSION
10kV VERSION
Figure 13. ∆ V
WB
/ ∆ T Potentiometer
Mode Tempco (10 k
Ω and 50 k Ω )
FREQUENCY – Hz
GAIN – dB
6
1k 1M
10k 100k
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
00
H
+
–
2.5V
W
A
B
OP42
+
–
DATA = 40
H
V
DD
= +5V
V
IN
= V
A
= 100mV rms
V
B
= +2.5V
40
H
20
H
10
H
08
H
04
H
02
H
01
H
Figure 16. 50 k Ω Gain vs. Frequency
vs. Code
V
WB
V
DD
= +5.5V
V
A
= +5.5V
V
B
= 0V
f = 100kHz
DATA
40
H
v 3F
H
150mV
100mV
50mV
0mV
5V
0V
CLK
TIME 500ns / DIV
Figure 19. Midscale Transition Glitch
CODE – Decimal
RHEOSTAT MODE TEMPCO – ppm/8C
60
–10
0
16 128
32 48 64 80 96 112
53
32
25
11
–3
46
39
18
4
–558C < T
A
< +858C
V
DD
= +5.5V
R
WB
MEASURED
V
A
= NO CONNECT
50kV AND 100kV VERSION
10kV VERSION
Figure 14. ∆ R
WB
/ ∆ T Rheostat
FREQUENCY – Hz
GAIN – dB
6
1k 1M10k 100k
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
+
–
2.5V
W
A
B
OP42
+
–
DATA = 40
H
V
DD
= +5V
V
IN
= V
A
= 100mV rms
V
B
= +2.5V
00
H
20
H
10
H
08
H
04
H
02
H
01
H
40
H
Figure 17. 100 k Ω Gain vs. Fre-
quency vs. Code
FREQUENCY – Hz
THD + NOISE – %
0.0001
10
T
A
= +258C
V
DD
= +5.0V
OFFSET GND = +2.5V
R
AB
= 10kV
NONINVERTING
TEST CKT 32
INVERTING
TEST CKT 31
0.001
0.01
0.10
1.00
100 1k 10k
100k
Figure 20. Total Harmonic Distortion
Plus Noise vs. Frequency
FREQUENCY – Hz
GAIN – dB
6
1k 1M
10k 100k
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
DATA = 40
H
V
DD
= +5V
V
IN
= V
A
= 100mV rms
V
B
= +2.5V
+
–
2.5V
W
A
B
OP42
+
–
40
H
20
H
10
H
08
H
04
H
02
H
01
H
00
H
Figure 15. 10 k Ω Gain vs. Frequency
vs. Code
V
WB
V
DD
= +5.5V
V
A
= V
B
= 0V
f = 100kHz
20mV/
DIV
TIME 2ms / DIV
Figure 18. Digital Feedthrough
FREQUENCY – Hz
NORMALIZED GAIN FLATNESS – dB
–5.8
–6.8
10 100 1M
–6.3
1k 10k 100k
–5.9
–6.0
–6.1
–6.2
–6.4
–6.5
–6.6
–6.7
50kV
10kV
DATA = 40
H
V
DD
= +5V
V
IN
= V
A
= 50mV rms
V
B
= +2.5V
100kV
+
–
2.5V
W
A
B
OP42
+
–
Figure 21. Normalized Gain Flatness
vs. Frequency
A