Datasheet

ADP8866 Data Sheet
Rev. A | Page 8 of 52
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V
IN
(V)
MATCHING (%)
09478-010
+105°C
+85°C
+25°C
–40°C
I
D1:D9
= 25mA
Figure 10. Typical Diode Matching vs. V
IN
26.5
26.0
25.5
25.0
24.5
24.0
23.5
27.0
23.0
0.2 0.4 0.6 0.8
1.0 1.2 1.4 1.6 1.8 2.0
V
HR
(V)
I
LED
CURRENT (mA)
09478-011
+105°C
+85°C
+25°C
–40°C
Figure 11. Typical Diode Matching vs. Current Sink Headroom Voltage (V
HR
)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
1.6
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
V
HR
(V)
MATCHING (%)
09478-012
+105°C
+85°C
+25°C
–40°C
I
D1:D9
= 25mA
Figure 12. Typical Diode Current vs. Current Sink Headroom Voltage (V
HR
)
0.1
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–40 –15 10 35 60 85 110
TEMPERATURE (°C)
I
OUT
DEVIATION (%)
09478-013
I
OUT
= 100mA
Figure 13. Typical Change in Diode Current vs. Temperature
1.2
1.0
0.8
0.6
0.4
0.2
0
2.5 3.0 3.5 4.0 4.5 5.0 5.5
V
IN
(V)
R
OUT
(Ω)
09478-014
+105°C
+85°C
+25°C
–40°C
I
OUT
= 100mA
Figure 14. Typical R
OUT
(G = 1×) vs. V
IN
6
5
4
3
2
1
0
2.2 2.4 2.6 2.8 3.0 3.2 3.4
V
IN
(V)
R
OUT
(Ω)
09478-015
+105°C
+85°C
+25°C
–40°C
I
OUT
= 100mA
Figure 15. Typical R
OUT
(G = 1.5×) vs. V
IN