Datasheet

AD8628/AD8629/AD8630
Rev. I | Page 11 of 24
FREQUENCY (Hz)
OUTPUT SWING (V p-p)
5.5
2.5
3.0
3.5
4.0
4.5
5.0
2.0
1.5
1.0
0.5
0
100 1k 10k 100k 1M
02735-033
V
S
= 5V
R
L
= 10kΩ
T
A
= 25°C
A
V
= 1
Figure 35. Maximum Output Swing vs. Frequency
TIME (µs)
VOLTAGE (µV)
0.60
0.45
0.30
0.15
–0.15
–0.30
–0.45
0
–0.60
012345678910
02735-034
V
S
= 2.7V
Figure 36. 0.1 Hz to 10 Hz Noise
TIME (µs)
VOLTAGE (µV)
0.60
0.45
0.30
0.15
–0.15
–0.30
–0.45
0
–0.60
012345678910
02735-035
V
S
= 5V
Figure 37. 0.1 Hz to 10 Hz Noise
FREQUENCY (kHz)
VOLTAGE NOISE DENSITY (nV/√Hz)
120
105
90
75
45
30
15
60
0
0 0.5 1.0 1.5 2.0 2.5
02735-036
V
S
= 2.7V
NOISE AT 1kHz = 21.3nV
Figure 38. Voltage Noise Density at 2.7 V from 0 Hz to 2.5 kHz
FREQUENCY (kHz)
VOLTAGE NOISE DENSITY (nV/√Hz)
120
105
90
75
45
30
15
60
0
0 5 10 15 20 25
02735-037
V
S
= 2.7V
NOISE AT 10kHz = 42.4nV
Figure 39. Voltage Noise Density at 2.7 V from 0 Hz to 25 kHz
FREQUENCY (kHz)
VOLTAGE NOISE DENSITY (nV/√Hz)
120
105
90
75
45
30
15
60
0
0 0.5 1.0 1.5 2.0 2.5
02735-038
V
S
= 5V
NOISE AT 1kHz = 22.1nV
Figure 40. Voltage Noise Density at 5 V from 0 Hz to 2.5 kHz