Datasheet

Data Sheet ADA4895-1/ADA4895-2
Rev. A | Page 11 of 24
–10
–8
–6
–4
–2
0
2
4
0.1 1 10 100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
V
OUT
= 200mV p-p
ADA4895-1, SOIC
ADA4895-2, MSOP
ADA4895-1, SOT-23
10186-138
Figure 14. Small Signal Frequency Response vs. Package
–10
–8
–6
–4
–2
0
2
4
6
0.1 1 10 100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
C
L
= 6pF
V
OUT
= 200mV p-p
10186-011
C
L
= 3pF
C
L
= 0pF
Figure 15. Small Signal Frequency Response vs. Capacitive Load
–120
–110
–100
–90
–80
–70
–60
–50
–40
0.1 1 10
DISTORTION (dBc)
FREQUENCY (MHz)
10186-012
HD3, R
L
= 1kΩ
HD2, R
L
= 100Ω
HD2, R
L
= 1kΩ
HD3, R
L
= 100Ω
V
OUT
= 2V p-p
Figure 16. Harmonic Distortion vs. Frequency for Various Loads
–10
–8
–6
–4
–2
0
2
4
0.1 1 10 100 1000
NORMALIZED CLOSED-LOOP GAIN (dB)
FREQUENCY (MHz)
V
OUT
= 2V p-p
ADA4895-2, MSOP
ADA4895-1, SOIC
ADA4895-1, SOT-23
10186-141
Figure 17. Large Signal Frequency Response vs. Package
1k 10k 100k 1M 10M 100M 1G
FREQUENCY (Hz)
PHASE (Degrees)
GAIN (dB)
10186-017
0
10
20
30
40
50
60
70
80
90
100
110
120
GAIN
PHASE
–240
–220
–200
–180
–160
–140
–120
–100
–80
–60
–40
–20
0
Figure 18. Open-Loop Gain and Phase vs. Frequency
–130
–120
–110
–100
–90
–80
–70
–60
–50
–40
0.1 1 10
DISTORTION (dBc)
FREQUENCY (MHz)
V
S
= ±5V
V
S
= ±2.5V
V
S
= ±1.5V
HD3
HD2
10186-016
V
S
= ±5V
V
S
= ±2.5V
V
S
= ±1.5V
V
OUT
= 2V p-p
Figure 19. Harmonic Distortion vs. Frequency for Various Supplies