Datasheet

AD7376
Rev. D | Page 9 of 20
TYPICAL PERFORMANCE CHARACTERISTICS
–0.5
–0.4
–0.3
–0.2
–0.1
0.1
0.2
0.3
0.4
0.5
0
CODE (Decimal)
0 12816 32 48 64 80 96 112
V
DD
= +15V
V
SS
= –15V
–40°C
RHEOSTAT MODE INL (LSB)
+85°C
+25°C
01119-006
Figure 6. Resistance Step Position Nonlinearity Error vs. Code
CODE (Decimal)
0 12816 32 48 64 80 96 112
–0.5
–0.4
–0.3
–0.2
–0.1
0.1
0.2
0.3
0.4
0.5
0
RHEOSTAT MODE DNL (LSB)
V
DD
= +15V
V
SS
= –15V
–40°C
+85°C
+25°C
01119-007
Figure 7. Relative Resistance Step Change from Ideal vs. Code
CODE (Decimal)
0 12816 32 48 64 80 96 112
–0.5
–0.4
–0.3
–0.2
–0.1
0.1
0.2
0.3
0.4
0.5
0
POTENTIOMETER MODE INL (LSB)
V
DD
= +15V
V
SS
= –15V
–40°C
+85°C
+25°C
01119-008
Figure 8. Potentiometer Divider Nonlinearity Error vs. Code
CODE (Decimal)
0
12816 32 48 64 80 96 112
–0.5
–0.4
–0.3
–0.2
–0.1
0.1
0.2
0.3
0.4
0.5
0
POTENTIOMETER MODE DN
L (LSB)
V
DD
= +15V
V
SS
= –15V
–40°C
+85°C
+25°C
01119-009
Figure 9. Potentiometer Divider Differential Nonlinearity Error vs. Code
20
–4
–40
01119-010
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
16
12
8
4
0
–20 0 20 40 60 80 100 120
I
DD
@ V
DD
/V
SS
= 30V/0V
I
DD
@ V
DD
/V
SS
= ±15V
I
SS
@ V
DD
/V
SS
= 30V/0V
I
SS
@ V
DD
/V
SS
= ±15V
Figure 10. Supply Current (I
DD
, I
SS
) vs. Temperature
0.5
–0.5
–40
01119-011
TEMPERATURE (ºC)
SHUTDOWN CURRENT (µA)
–20 0 20 40 60 80 100 120
0.4
0.3
0.2
0.1
0
–0.1
–0.2
–0.3
–0.4
Figure 11. Shutdown Current vs. Temperature