Datasheet

AD8628/AD8629/AD8630
Rev. I | Page 7 of 24
LOAD CURRENT (mA)
OUTPUT VOLTAGE (mV)
1k
100
10
1
0.1
0.01
0.0001 0.001 0.10.01 1 10
02735-009
V
S
= 2.7V
SOURCE
SINK
Figure 11. Output Voltage to Supply Rail vs. Load Current
V
S
= 5V
V
CM
= 2.5V
T
A
= –40°C TO +150°C
TEMPERATURE (°C)
INPUT BIAS CURRENT (pA)
1500
1150
900
450
100
0
–50 0 25–25 50 75 100 125 150 175
02735-010
Figure 12. AD8628 Input Bias Current vs. Temperature
T
A
= 25 ° C
5V
2.7V
TEMPERATURE (°
C )
SUPPLY CURRENT (µA)
1250
1000
750
500
250
0
–50 0 50 150100 200
02735-011
Figure 13. Supply Current vs. Temperature
T
A
= 25°C
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (µA)
1000
800
600
400
200
0
012 4536
02735-012
Figure 14. Supply Current vs. Supply Voltage
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
60
40
20
–20
0
10k 100k 1M 10M
02735-013
45
90
135
180
225
0
PHASE SHIFT (Degrees)
V
S
= 2.7V
C
L
= 20pF
R
L
= ∞
Ф
M
= 45°
GAIN
PHASE
Figure 15. Open-Loop Gain and Phase vs. Frequency
FREQUENCY (Hz)
OPEN-LOOP GAIN (dB)
70
60
50
40
30
20
0
–10
–20
10
–30
10k 100k 1M 10M
02735-014
45
90
135
180
225
0
PHASE SHIFT (Degrees)
V
S
= 5V
C
L
= 20pF
R
L
= ∞
Φ
M
= 52.1°
GAIN
PHASE
Figure 16. Open-Loop Gain and Phase vs. Frequency