Datasheet

ADN2850 Data Sheet
Rev. E | Page 10 of 28
TYPICAL PERFORMANCE CHARACTERISTICS
DIGITAL CODE
0 200 400 600 1000
INL ERROR (LSB)
800
0.20
–0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
–40°C
+25°C
+85°C
02660-008
Figure 6. R-INL vs. Code, T
A
= −40°C, +25°C, +85°C Overlay, R
AB
= 25 kΩ
DIGITAL CODE
0 200 400 600 1000
DNL ERROR (LSB)
800
0.20
–0.15
–0.10
–0.05
0
0.05
0.10
0.15
02660-009
–40°C
+25°C
+85°C
Figure 7. R-DNL vs. Code, T
A
= −40°C, +25°C, +85°C Overlay, R
AB
= 25 kΩ
02660-011
CODE (Decimal)
RHEOSTAT MODE TEMPCO (ppm/°C)
200
180
160
140
120
100
80
60
40
20
0
0 1023768512256
25kΩ
250kΩ
Figure 8. (∆R
WB
/R
WB
)/∆T × 10
6
Rheostat Mode Tempco
CODE (Decimal)
0 200 400 800600 1000
WIPER ON RESISTANCE (Ω)
60
50
40
30
20
10
0
2.7V
3.0V
3.3V
5.0V
5.5V
02660-012
Figure 9. Wiper On Resistance vs. Code
TEMPERATURE (°C)
–40 –20 0 25 40 60 85
I
DD
/I
SS
(µA)
3
–3
–2
–1
0
1
2
I
DD
= 2.7V
I
DD
= 3.3V
I
DD
= 3.0V
I
DD
= 5.5V
I
DD
= 5.0V
I
SS
= 2.7V
I
SS
= 3.3V
I
SS
= 3.0V
I
SS
= 5.5V
I
SS
= 5.0V
02660-013
Figure 10. I
DD
vs. Temperature, R
AB
= 25 kΩ
FREQUENCY (MHz)
1 1098765432
I
DD
(µA)
50
10
20
30
40
0
FULL SCALE
MIDSCALE
ZERO SCALE
02660-014
Figure 11. I
DD
vs. Clock Frequency