ADA4937-1 Analog Devices, ADA4937-1 Datasheet - Page 11

• Manufacturer Part Number: ADA4937-1
• Description: Ultra-Low Distortion Differential ADC Driver
• Manufacturer: Analog Devices

Figure 19. Harmonic Distortion vs. Frequency and Supply Voltage
–100
–105
–110
–115
–12
–0.1
–0.2
–0.3
–0.4
–0.5
Figure 17. Small Signal Frequency Response for Various V
–3
–6
–9
–55
–60
–65
–70
–75
–80
–85
–90
–95
0.5
0.4
0.3
0.2
0.1
3
0
0
1
Figure 18. 0.1 dB Flatness Response for Various Loads
1
1
V
V
V
R
R
R
HD2, V
HD3, V
HD2, V
HD3, V
OCM
OCM
OCM
L
L
L
= 1kΩ
= 100Ω
= 200Ω
= 1.0V
= 2.5V
= 3.9V
S
S
S
S
= 5.0V
= 5.0V
= 3.3V
= 3.3V
10
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
10
10
100
100
10
0
OCM
1000
Rev. 0 | Page 11 of 28
–100
–110
–120
–130
–100
–110
–120
–100
–110
–120
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
–50
–60
–70
–80
–90
Figure 22. Harmonic Distortion vs. V
Figure 20. Harmonic Distortion vs. Frequency and Gain
Figure 21. Harmonic Distortion vs. Frequency and Load
–1
1
1
0
HD2, V
HD3, V
HD2, V
HD3, V
HD2, G = +1, R
HD3, G = +1, R
HD2, G = +2, R
HD3, G = +2, R
HD2, R
HD3, R
HD2, R
HD3, R
S
S
S
S
L
L
L
L
1
= 3.3V
= 3.3V
= 5.0V
= 5.0V
= 1kΩ
= 1kΩ
= 200Ω
= 200Ω
FREQUENCY (MHz)
FREQUENCY (MHz)
F
F
F
F
2
= 200Ω
= 200Ω
= 402Ω
= 402Ω
10
10
V
OUT
3
(V)
OUT
4
and Supply Voltage
5
ADA4937-1
10
10
6
0
0
7