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AD5203 Datasheet(PDF) 6 Page - Analog Devices

Part No. AD5203
Description  4-Channel, 64-Position Digital Potentiometer
Download  12 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

AD5203 Datasheet(HTML) 6 Page - Analog Devices

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AD5203
–6–
REV. 0
–Typical Performance Characteristics
RW
(20mV/DIV)
CS
(5V/DIV)
TIME 500ns/DIV
Figure 11. One Position Step Change
at Half-Scale (Code 1FH to 20H)
OUTPUT
CS
TIME 5 s/DIV
Figure 14. Large Signal Settling Time
0
–50
10
100
1M
1k
10k
100k
–10
–20
–30
–40
FREQUENCY – Hz
CODE = 3FH
20H
10H
08H
04H
02H
01H
VDD = +5V
TA = +25 C
5dB/DIV
Figure 17. 100 k
Ω Gain vs. Frequency
vs. Code
0
–50
10
100
1M
1k
10k
100k
–10
–20
–30
–40
10M
FREQUENCY – Hz
TA = +25 C
SEE TEST CIRCUIT FIGURE 32
CODE = 3FH
20H
10H
08H
04H
02H
01H
Figure 12. Gain vs. Frequency for
R = 10 k
FREQUENCY – Hz
10
0.001
10
100k
100
1k
10k
1
0.1
FILTER = 22kHz
VDD = +5V
TA = +25 C
RAB = 10k
0.01
SEE TEST CIRCUIT FIGURE 31
SEE TEST CIRCUIT FIGURE 30
Figure 15. Total Harmonic Distortion
Plus Noise vs. Frequency
0
–0.5
10
100
1M
1k
10k
100k
–0.1
–0.2
–0.3
–0.4
FREQUENCY – Hz
–0.6
–0.7
–0.8
–0.9
–1.0
VDD = +5V
CODE = 3FH
TA = +25 C
SEE TEST CIRCUIT FIGURE 32
RAB = 10k
RAB = 100k
Figure 18. Normalized Gain Flat-
ness vs. Frequency
HOURS OF OPERATION @ 150 C
0.75
–0.75
0
100
600
200
300
400
500
0.5
0.25
0
–0.25
–0.5
VDD = +5V
CODE = 3FH
SS = 77 UNITS
AVG –2
AVG +2
AVG
Figure 13. Long-Term Drift
Accelerated by Burn-In
VOUT
(20mV/DIV)
TIME 100ns/DIV
Figure 16. Digital Feedthrough vs.
Time
10
1
0.1
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
5
INPUT LOGIC VOLTAGE – Volts
VDD = +5.0V
VDD = +3.0V
0.01
Figure 19. Supply Current vs. Logic
Input Voltage


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