ad7376 Analog Devices, Inc., ad7376 Datasheet - Page 9

• Manufacturer Part Number: ad7376
• Description: +30 V/?15 V Operation 128-position Digital Potentiometer
• Manufacturer: Analog Devices, Inc.

TYPICAL PERFORMANCE CHARACTERISTICS
–0.1
–0.2
–0.3
–0.4
–0.5
–0.1
–0.2
–0.3
–0.4
–0.5
Figure 7. Relative Resistance Step Change from Ideal vs. Code
–0.1
–0.2
–0.3
–0.4
–0.5
Figure 6. Resistance Step Position Nonlinearity Error vs. Code
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
0.5
0.4
0.3
0.2
0.1
Figure 8. Potentiometer Divider Nonlinearity Error vs. Code
0
0
0
0
0
0
–40°C
–40°C
+25°C
16
16
16
32
32
+85°C
32
+85°C
+85°C
+25°C
+25°C
48
48
48
CODE (Decimal)
CODE (Decimal)
CODE (Decimal)
64
64
64
80
80
80
–40°C
96
96
96
V
V
V
V
V
V
DD
DD
DD
SS
SS
SS
112
112
112
= +15V
= +15V
= –15V
= –15V
= +15V
= –15V
128
128
128
Rev. B | Page 9 of 20
Figure 9. Potentiometer Divider Differential Nonlinearity Error vs. Code
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
–0.1
–0.2
–0.3
–0.4
–0.5
0.5
0.4
0.3
0.2
0.1
20
16
12
–4
0
8
4
0
0
–40
–40
0
Figure 10. Supply Current (I
Figure 11. Shutdown Current vs. Temperature
16
–20
–20
+85°C
I
32
DD
0
0
+25°C
I
@ V
SS
@ V
DD
48
TEMPERATURE (°C)
TEMPERATURE (ºC)
20
20
CODE (Decimal)
/V
DD
SS
/V
= 30V/0V
SS
64
40
40
DD
= 30V/0V
, I
I
I
SS
SS
DD
) vs. Temperature
60
60
80
@ V
@ V
–40°C
DD
DD
/V
/V
80
80
96
SS
SS
= ±15V
= ±15V
V
V
DD
SS
100
100
112
AD7376
= +15V
= –15V
120
120
128