Datasheet

AD8045
Rev. A | Page 8 of 24
04814-0-043
FREQUENCY (MHz)
100010 100
CLOSED-LOOP GAIN (dB)
2
0
1
–2
–1
–4
–3
–6
–5
–8
–7
–10
–9
G = +1
R
L
= 1kΩ
R
S
= 100Ω
V
OUT
= 2V p-p
V
S
= ±2.5V
V
S
=±5V
Figure 13. Large Signal Frequency Response for Various Supplies
04814-0-042
FREQUENCY (MHz)
100010 100
CLOSED-LOOP GAIN (dB)
2
0
1
–2
–1
–4
–3
–6
–5
–8
–9
–7
–10
G = +1
V
S
= ±5V
R
S
= 100Ω
V
OUT
= 2V p-p
R
L
= 1kΩ
R
L
= 100Ω
Figure 14. Large Signal Frequency Response for Various Loads
04814-0-041
FREQUENCY (MHz)
10001 10 100
NORMALIZED CLOSED-LOOP GAIN (dB)
2
1
0
–1
–2
–3
–4
–5
–6
–7
–8
V
S
= ±5V
R
F
= 499Ω
R
L
= 1kΩ
V
OUT
= 2V p-p
G = +10
G = –1
G = +2
Figure 15. Large Signal Frequency Response for Various Gains
04814-0-064
FREQUENCY (MHz)
10000.01 0.1 1 10 100
OPEN-LOOP PHASE (Degrees)
–360
0
–90
–135
–180
–45
–225
–270
–315
OPEN-LOOP GAIN (dB)
70
50
60
40
20
30
10
0
–10
V
S
=±5V
R
L
= 1kΩ
Figure 16. Open-Loop Gain and Phase vs. Frequency
04814-0-030
FREQUENCY (MHz)
1000.1 1 10
HARMONIC DISTORTION (dBc)
–20
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
HD3 SOIC AND LFCSP
HD2 LFCSP
HD2 SOIC
G = +1
V
S
=±5V
V
OUT
= 2V p-p
R
L
= 1kΩ
R
S
= 100Ω
Figure 17. Harmonic Distortion vs. Frequency for Various Packages
04814-0-028
FREQUENCY (MHz)
0.1 1 10 100
HARMONIC DISTORTION (dBc)
–30
–40
–50
–60
–70
–80
–90
–100
–110
–120
G = +1
V
S
=±5V
V
OUT
= 4V p-p
R
L
= 1kΩ
HD3 LFCSP AND SOIC
HD2 LFCSP
HD2 SOIC
Figure 18. Harmonic Distortion vs. Frequency for Various Packages