ad8475 Analog Devices, Inc., ad8475 Datasheet - Page 13

• Manufacturer Part Number: ad8475
• Description: Precision, Selectable Gain, Fully Differential Funnel Amplifier Ad8475
• Manufacturer: Analog Devices, Inc.

–100
–120
–140
–100
–120
–140
Figure 36. Harmonic Distortion vs. Frequency at Various Gains
Figure 37. Harmonic Distortion vs. Frequency at Various Loads
–20
–40
–60
–80
–20
–40
–60
–80
Figure 35. VOCM Small Signal Step Response, V
0.1
0.1
V
OUT
HD2, G = 0.4
HD3, G = 0.4
HD2, G = 0.8
HD3, G = 0.8
HD2, R
HD3, R
HD2, R
HD3, R
= 2V p-p
L
L
L
L
= 1kΩ
= 1kΩ
= 200Ω
= 200Ω
FREQUENCY (MHz)
FREQUENCY (MHz)
50ns/DIV
1
1
S
= ±2.5 V
10
10
Rev. A | Page 13 of 24
Figure 39. Harmonic Distortion vs. Frequency at Various Supplies
–100
–120
–140
–100
–120
–140
Figure 40. Harmonic Distortion vs. Frequency at Various V
–20
–40
–60
–80
–20
–40
–60
–80
0.1
0.1
V
OUT
Figure 38. VOCM Large Signal Step Response
HD2, V
HD3, V
HD2, V
HD3, V
HD2, V
HD3, V
HD2, V
HD3, V
= 2V p-p
S
S
S
S
OUT
OUT
OUT
OUT
= +5V
= +5V
= ±5V
= ±5V
= 2V p-p
= 2V p-p
= 4V p-p
= 4V p-p
FREQUENCY (MHz)
FREQUENCY (MHz)
500ns/DIV
1
1
AD8475
OUT,dm
10
10