AD5203 Analog Devices, AD5203 Datasheet - Page 5

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

REV. 0
Figure 5. Wiper-Contact-Resistance
Histogram
Figure 2. Wiper to End Terminal
Resistance vs. Code
Code
–0.05
–0.15
–0.25
Differential Nonlinearity Error vs.
Figure 8. Potentiometer Divider
0.25
0.15
0.05
–0.1
–0.2
0.2
0.1
10
80
60
40
20
9
8
7
6
5
4
3
2
1
0
0
0
0
0
30 31 32 33 34 35 36 37 38 39
V
T
8
A
8
DD
DIGITAL INPUT CODE – Decimal
= +25 C, +85 C, –40 C
= +3.0V
WIPER RESISTANCE –
16
16
R
V
R
WB
CODE – Decimal
DD
AB
24
24
= +3V, OR +5V
= 10k
32
32
40
SS = 544 UNITS
V
T
40
A
R
DD
WA
= +25 C
= +4.5V
48
48
56
56
64
64
Figure 3. Resistance Linearity vs.
Conduction Current
Figure 6. Nominal Resistance vs.
Temperature
Mode Tempco
Figure 9. V
4.5
3.5
2.5
1.5
0.5
12
10
50
40
30
20
10
8
6
4
2
0
–75 –50
5
4
3
2
1
0
0
0
0
AD5203-10K VERSION
8
Typical Performance Characteristics–
1
20
3F
H
–25
H
16
10
TEMPERATURE – C
2
I
R
R
CODE = 20
H
WA
WB
AB
WB
CODE – Decimal
24
0
CURRENT – mA
–5–
(END-TO-END)
/ T Potentiometer
(WIPER-TO-END)
08
3
H
25
32
H
05
4
V
T
V
V
H
50
A
DD
A
B
40
= –40 C/+85 C
= +2.0V
= 0V
R
V
T
= +3.0V
DD
A
AB
5
75
48
= +25 C
02
= 10k
= +5V
H
100
6
56
125
64
7
Tempco
Figure 10.
Figure 4. Resistance Step Position
Nonlinearity Error vs. Code
Figure 7. Potentiometer Divider
Nonlinearity Error vs. Code
–0.05
–0.15
–0.25
–0.05
–0.15
–0.25
0.25
0.15
0.05
–0.1
–0.2
0.25
0.15
0.05
–0.1
–0.2
120
100
0.2
0.1
0.2
0.1
80
60
40
20
0
0
0
0
0
0
–55 C
8
8
8
DIGITAL INPUT CODE – Decimal
T
DIGITAL INPUT CODE – Decimal
A
= –55 C
16
16
16
R
WB
CODE – Decimal
T
24
24
24
A
/ T Rheostat Mode
+25 C
= +85 C
T
A
32
32
32
V
T
V
R
= +25 C
A
DD
A
WB
AD5203
= –40 C/+85 C
= NO CONNECT
= +3.0V
40
+85 C
MEASURED
40
40
V
V
DD
DD
48
48
48
= +3.0V
= +3.0V
56
56
56
64
64
64