AD7376AN50 AD [Analog Devices], AD7376AN50 Datasheet - Page 4

• Manufacturer Part Number: AD7376AN50
• Description: +-15 V Operation Digital Potentiometer
• Manufacturer: AD [Analog Devices]

AD7376
Figure 5. Nominal Resistance vs.
Temperature
Figure 8. Potentiometer Divider
Nonlinearity Error vs. Supply
Voltage
Figure 2. Wiper To End Terminal
Percent Resistance vs. Code
100
1.0
0.8
0.6
0.4
0.2
50
49
48
47
46
45
75
50
25
–55 –35
0
0
5
0
SUPPLY VOLTAGE (V
R
–15
10
–Typical Performance Characteristics
WB
32
TEMPERATURE – C
V
V
R
DD
SS
AB
5
CODE – Decimal
15
= –15V
= +15V
= 50k
25
64
45
NOMINAL
DD
20
- V
65
V
V
CODE = 40
R
A
B
AB
SS
= 2.5V
= 0V
96
= 50k
85
) – Volts
25
R
WA
105
H
128
125
30
Figure 3. Resistance Step Position
Nonlinearity Error vs. Code
Figure 6. Resistance Linearity vs.
Conduction Current
Figure 9. V
Mode Tempco
–0.1
–0.2
–0.3
–0.4
–0.5
14
12
10
0.5
0.4
0.3
0.2
0.1
8
6
4
2
0
0
0
–10
–15
–20
–25
–30
0
01
20
15
10
–5
5
0
H
0.25
0
16
T
A
16
0.5 0.75
= +85 C
32
CODE = 70
T
WB
10
32
A
20
40
CODE – Decimal
= –55 C
48
H
H
H
/ T Potentiometer
I
WA
CODE – Decimal
–4–
48
T
1
– mA
64
A
H
= +25 C
64
1.25 1.5 1.75
V
V
V
V
R
V
V
V
V
–55 C < T
R
DD
SS
A
B
AB
80
DD
SS
A
B
AB
= 2.5V
= 0V
T
V
V
R
= +2.5V
= 0V
= –15V
= +15V
= 50k
A
DD
SS
= –15V
AB
= +15V
= 50k
80
= +25 C
96
= –15V
= +15V
7F
= 50k
A
H
96 112
< +85 C
112
128
2
128
–0.05
–0.10
–0.15
–0.20
–0.25
Figure 4. Relative Resistance Step
Change from Ideal vs. Code
Figure 7. Resistance Nonlinearity
Error vs. Supply Voltage
1000
0.25
0.20
0.15
0.10
0.05
900
800
700
600
500
400
300
200
100
1.5
1.2
0.9
0.6
0.3
Figure 10. Wiper Contact
Resistance vs. Temperature
0
–55 –35
0
0
0
5
T
SUPPLY VOLTAGE (V
R
A
16
AB
= +25 C
V
V
DD
SS
–15
10
= 50k
= +5V
= –5V
32
TEMPERATURE – C
5
CODE – Decimal
48
I
DATA = 40
V
V
w
15
DD
SS
= 100 A, T
25
T
A
= 0V
= +5V
64
= +85 C
45
DD
20
H
80
65
- V
A
V
V
R
= +25 C
SS
V
V
T
DD
SS
AB
96
DD
SS
A
85
) – Volts
25
= –55 C
= +15V
= –15V
= 50k
= –15V
= +15V
112
105
REV. 0
125
128
30