AD5203 Analog Devices, AD5203 Datasheet - Page 6

• Manufacturer Part Number: AD5203
• Description: 8-Bit Dual Nonvolatile Memory Digital Potentiometer
• Manufacturer: Analog Devices

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