Datasheet

AD8614/AD8644
Rev. B | Page 5 of 16
TYPICAL PERFORMANCE CHARACTERISTICS
CAPACITANCE (pF)
50
45
0
40
35
30
25
20
15
10
5
–OS
SMALL SIGNAL OVERSHOOT (%)
V
S
=18V
R
L
=2kΩ
T
A
=25°C
10 100 1k 10k
+OS
06485-004
Figure 4. Small Signal Overshoot vs. Load Capacitance
12
–12
8
4
0
–4
–8
0.1%
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
SETTLING TIME (µs)
OUTPUT SWING FROM 0 TO ±V
0.01%
0.01%
0.1%
06485-005
Figure 5. Output Swing vs. Settling Time
GAIN (dB)
FREQUENCY (Hz)
80
60
40
20
0
45
90
135
180
PHASE SHIFT (Degrees)
1k 10k 100k 1M 10M 100M
5V ≤ V
S
≤ 18V
R
L
=1MΩ
C
L
=40pF
T
A
= 25°C
06485-006
Figure 6. Open-Loop Gain and Phase Shift vs. Frequency
VOLTAGE (1V/DIV)
7.5
6.5
5.5
4.5
3.5
2.5
1.5
0.5
–0.5
–1.5
–2.5
TIME (1µs/DIV)
V
S
=5V
R
L
=2kΩ
C
L
=200pF
A
V
=1
T
A
=25°C
06485-007
Figure 7. Large Signal Transient Response, V
S
= 5 V
VOLTAGE (4V/DIV)
29
25
21
17
13
9
5
1
–3
–7
–11
V
S
=18V
R
L
=2kΩ
C
L
=200pF
A
V
=1
T
A
= 25°C
TIME (1µs/DIV)
06485-008
Figure 8. Large Signal Transient Response, V
S
= 18 V
TIME (500ns/DIV)
V
S
2
VOLTAGE (50mV/DIV)
V
S
=5V≤ V
S
≤ 18V
R
L
=2kΩ
C
L
= 200pF
A
V
=1
T
A
= 25°C
06485-009
Figure 9. Small Signal Transient Response