AD5220 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
'AD5220' PDF : 10 Pages View PDF
60
53
–55؇C < TA < +85؇C
VDD = +5.5V
46
39
10k⍀ VERSION
32
25
50k⍀ AND 100k⍀ VERSION
18
11
4
–3
–10
0 16 32 48 64 80 96 112 128
CODE – Decimal
Figure 13. ∆VWB/∆T Potentiometer
Mode Tempco (10 kΩ and 50 kΩ)
60
–55؇C < TA < +85؇C
53
VDD = +5.5V
46
RWB MEASURED
VA = NO CONNECT
39
10k⍀ VERSION
32
25
18
50k⍀ AND 100k⍀ VERSION
11
4
–3
–10
0 16 32 48 64 80 96 112 128
CODE – Decimal
Figure 14. ∆RWB/∆T Rheostat
AD5220
6
0
–6
–12
–18
–24
–30
–36
–42
–48
–54
DATA = 40H
VDD = +5V
VIN = VA = 100mV rms
VB = +2.5V
–
A
W+
B+
OP42
– 2.5V
1k
10k
100k
FREQUENCY – Hz
00H
40H
20H
10H
08H
04H
02H
01H
1M
Figure 15. 10 kΩ Gain vs. Frequency
vs. Code
6
00H
0
–6
40H
–12
20H
10H
–18
08H
–24
04H
–30
02H
–36
–42
–48
–54
01H
DATA = 40H
VDD = +5V
A
VIN = VA = 100mV rms B
VB = +2.5V
–
W+
OP42
+
–
2.5V
1k
10k
100k
1M
FREQUENCY – Hz
Figure 16. 50 kΩ Gain vs. Frequency
vs. Code
6
00H
0
–6
40H
–12
20H
–18
–24
–30
–36
–42
–48
–54
10H
08H
04H
02H
01H
DATA = 40H
VDD = +5V
A
VIN = VA = 100mV rms B
VB = +2.5V
–
W+
OP42
+
–
2.5V
1k
10k
100k
1M
FREQUENCY – Hz
Figure 17. 100 kΩ Gain vs. Fre-
quency vs. Code
VWB
VDD = +5.5V
VA = VB = 0V
f = 100kHz
20mV/
DIV
TIME 2s / DIV
Figure 18. Digital Feedthrough
VWB
CLK
150mV
100mV
50mV
VDD = +5.5V DATA
VA = +5.5V 40H v 3FH
VB = 0V
f = 100kHz
0mV
5V
0V
TIME 500ns / DIV
Figure 19. Midscale Transition Glitch
1.00
0.10
TA = +25؇C
VDD = +5.0V
OFFSET GND = +2.5V
RAB = 10k⍀
NONINVERTING
0.01
TEST CKT 32
0.001
INVERTING
TEST CKT 31
0.0001
10
100
1k
10k
FREQUENCY – Hz
100k
Figure 20. Total Harmonic Distortion
Plus Noise vs. Frequency
–5.8
–5.9
10k⍀
–6.0
50k⍀
–6.1
–6.2
–6.3
–6.4
–6.5
–6.6
DATA = 40H
VDD = +5V
VIN = VA = 50mV rms
VB = +2.5V
–
A
W+
B+
OP42
– 2.5V
100k⍀
–6.7
–6.8
10
100
1k
10k 100k
1M
FREQUENCY – Hz
Figure 21. Normalized Gain Flatness
vs. Frequency
REV. A
–5–
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