ad8260 Analog Devices, Inc., ad8260 Datasheet - Page 9

• Manufacturer Part Number: ad8260
• Description: High Current Driver Amplifier And Digital Vga/preamplifier With 3 Db Steps
• Manufacturer: Analog Devices, Inc.

Figure 11. Harmonic Distortion (HD2, HD3) vs. Frequency of the High Current
Figure 10. Harmonic Distortion (HD2, HD3) vs. Output Voltage for the High
Figure 9. Harmonic Distortion (HD2, HD3) vs. Load Capacitance at Two
Values of Output Voltage for the High Current Driver—See Figure 54
–120
–100
–100
–100
–20
–40
–60
–80
–20
–30
–40
–50
–60
–70
–80
–90
–20
–30
–40
–50
–60
–70
–80
–90
0
1M
Driver at Two Values of Output Voltage—See Figure 54
0
0
f = 10MHz
f = 10MHz
10
HD2, V
HD3, V
HD2, V
HD3, V
0.5
2V p-p
1V p-p
20
OUT
OUT
OUT
OUT
Current Driver—See Figure 54
HD3
= 1V p-p
= 1V p-p
= 2V p-p
= 2V p-p
OUTPUT VOLTAGE (V p-p)
30
LOAD CAPACITANCE (pF)
1.0
FREQUENCY (Hz)
40
1.5
10M
50
60
2.0
70
HD2
80
2.5
HD2
90
HD3
100M
100
3.0
Rev. 0 | Page 9 of 32
Figure 13. Third-Order Intercept (OIP3) vs. Frequency for the High Current Driver
Figure 14. Input-Referred 1 dB Compression (IP1dB) vs. Frequency for Two
Figure 12. IMD3 vs. Frequency for Two Values of Output Voltage and Two
Values of Load Resistance for the High Current Driver—See Figure 55
–100
–20
–40
–60
–80
20
20
15
10
50
40
30
10
5
0
0
0
2M
1M
2M
Values of Load Resistance for the High Current Driver
R
R
R
R
R
R
R
R
R
R
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
= 50Ω, V
= 50Ω, V
= 500Ω, V
= 500Ω, V
= 50Ω, V
= 50Ω, V
= 500Ω, V
= 500Ω, V
= 50Ω
= 500Ω
OUT
OUT
OUT
OUT
OUT
OUT
FREQUENCY (Hz)
FREQUENCY (Hz)
OUT
OUT
See Figure 55
FREQUENCY (Hz)
10M
10M
= 1V p-p
= 2V p-p
= 1V p-p
= 2V p-p
= 1V p-p
= 2V p-p
= 1V p-p
= 2V p-p
10M
AD8260
100M
100M
100M