AD5220 Analog Devices, AD5220 Datasheet - Page 5

• Manufacturer Part Number: AD5220
• Description: 8-Bit Dual Nonvolatile Memory Digital Potentiometer
• Manufacturer: Analog Devices

REV. 0
Figure 19. Midscale Transition Glitch
V
CLK
Figure 16. 50 k
vs. Code
WB
Figure 13.
Mode Tempco (10 k and 50 k )
–10
–12
–18
–24
–30
–36
–42
–48
–54
60
53
46
39
32
25
18
11
–3
–6
4
6
0
1k
0
DATA = 40
V
V
V
DD
IN
B
= +2.5V
= V A = 100mV rms
= +5V
16
10k
50k
H
32
TIME 500ns / DIV
VERSION
AND 100k
FREQUENCY – Hz
10k
CODE – Decimal
V
48
WB
A
B
V
V
V
f = 100kHz
Gain vs. Frequency
DD
A
B
+
–
/ T Potentiometer
2.5V
= +5.5V
= 0V
W
64
= +5.5V
+
–
OP42
–55 C < T
V
DD
VERSION
80
100k
00
40
20
10
08
04
02
01
= +5.5V
H
H
H
H
H
H
H
H
DATA
40
96
H
A
v 3F
< +85 C
112
H
150mV
100mV
128
50mV
0mV
5V
0V
1M
Figure 20. Total Harmonic Distortion
Plus Noise vs. Frequency
0.0001
0.001
–10
Figure 14.
–12
–18
–24
–30
–36
–42
–48
–54
Figure 17. 100 k Gain vs. Fre-
quency vs. Code
1.00
0.10
0.01
60
53
46
39
32
25
18
11
–3
–6
4
6
0
1k
10
0
DATA = 40
V
V
V
DD
IN
B
T
V
OFFSET GND = +2.5V
R
= +2.5V
= V A = 100mV rms
A
DD
AB
= +5V
16
= +25 C
10k
= +5.0V
= 10k
H
TEST CKT 32
NONINVERTING
100
32
VERSION
FREQUENCY – Hz
10k
FREQUENCY – Hz
CODE – Decimal
R
50k
48
WB
A
B
–5–
+
–
/ T Rheostat
2.5V
W
AND 100k
64
1k
–
+
40
OP42
–55 C < T
V
R
V
00
20
10
08
04
02
01
TEST CKT 31
DD
A
WB
H
H
H
H
H
H
H
H
INVERTING
= NO CONNECT
80
100k
= +5.5V
MEASURED
96
10k
VERSION
A
< +85 C
112
100k
128
1M
Figure 21. Normalized Gain Flatness
vs. Frequency
V
Figure 15. 10 k Gain vs. Frequency
vs. Code
WB
–12
–18
–24
–30
–36
–42
–48
–54
–5.8
–5.9
–6.0
–6.1
–6.2
–6.3
–6.4
–6.5
–6.6
–6.7
–6.8
Figure 18. Digital Feedthrough
–6
6
0
1k
10
DATA = 40
V
V
V
DATA = 40
V
V
V
DD
IN
B
= +2.5V
DD
IN
B
= V A = 100mV rms
= +5V
A
B
= +2.5V
= V
= +5V
+
–
100
A
2.5V
H
W
= 50mV rms
TIME 2 s / DIV
H
+
10k
FREQUENCY – Hz
–
FREQUENCY – Hz
OP42
1k
A
B
+
–
2.5V
W
V
V
f = 100kHz
DD
A
10k
–
+
AD5220
OP42
100k
= V
= +5.5V
B
10k
= 0V
100k
50k
00
40
20
10
08
04
02
01
100k
H
H
H
H
H
H
H
H
20mV/
DIV
1M
1M