Datasheet

AD8505/AD8506/AD8508
Rev. E | Page 8 of 20
T
A
= 25°C, unless otherwise noted.
LOAD CURRENT (mA)
OUTPUT VOLTAGE TO SUPPLY RAIL (mV)
10k
0.1
0.001 10
0.01 0.1 1
1k
100
10
1
V
SY
= 1.8V
V
DD
– V
OH
V
OL
0
6900-010
Figure 19. Output Voltage to Supply Rail vs. Load Current
TEMPERATURE (°C)
OUTPUT VOLTAGE TO SUPPLY RAIL (mV)
14
12
10
8
6
4
2
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
V
SY
= 1.8V
06900-011
V
DD
– V
OH
@ R
L
= 10kΩ
V
OL
@ R
L
= 10kΩ
V
DD
– V
OH
@ R
L
= 100kΩ
V
OL
@ R
L
= 100kΩ
Figure 20. Output Voltage to Supply Rail vs. Temperature
90
0
10
20
30
40
50
60
70
80
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
TOTAL SUPPLY CURRENT (µA)
SUPPLY VOLTAGE (V)
06900-052
AD8508
AD8506
AD8505
V
CM
= V
SY
/2
Figure 21. Total Supply Current vs. Supply Voltage
LOAD CURRENT (mA)
OUTPUT VOLTAGE TO SUPPLY RAIL (mV)
10k
0.01
0.1
0.001 10 100
0.01 0.1 1
1k
100
10
1
V
SY
= 5V
0
6900-013
V
DD
– V
OH
V
OL
Figure 22. Output Voltage to Supply Rail vs. Load Current
TEMPERATURE (°C)
OUTPUT VOLTAGE TO SUPPLY RAIL (mV)
14
12
10
8
6
4
2
0
–40 –25 –10 5 20 35 50 65 80 95 110 125
V
SY
= 5V
06900-014
V
DD
– V
OH
@ R
L
= 10kΩ
V
OL
@ R
L
= 10kΩ
V
DD
– V
OH
@ R
L
= 100kΩ
V
OL
@ R
L
= 100kΩ
Figure 23. Output Voltage to Supply Rail vs. Temperature
90
0
10
20
30
40
50
60
70
80
–40 –25 –10 5 20 35 50 65 80 95 110 125
TOTAL SUPPLY CURRENT (µA)
TEMPERATURE (°C)
06900-053
AD8508, 1.8V
AD8508, 5V
AD8506, 1.8V
AD8606, 5V
AD8505, 1.8V
AD8505, 5V
V
CM
= V
SY
/2
Figure 24. Total Supply Current vs. Temperature