ada4932 Analog Devices, Inc., ada4932 Datasheet - Page 14

• Manufacturer Part Number: ada4932
• Description: Low Power Differential Adc Driver
• Manufacturer: Analog Devices, Inc.

ADA4932-1/ADA4932-2
–10
–20
–30
–40
–50
–60
–70
100
–10
–20
–30
–40
–50
–60
Figure 39. Voltage Noise Spectral Density, Referred to Input
10
1
1M
0
10
1M
R
L, dm
INPUT SINGLE-ENDED, 50Ω LOAD TERMINATION
OUTPUT DIFFERENTIAL, 100Ω SOURCE TERMINATION
S11: COMMON-MODE-TO-COMMON-MODE
S22: DIFFERENTIAL-TO-DIFFERENTIAL
Figure 38. Return Loss (S
R
L
Figure 37. Output Balance vs. Frequency
= 200Ω
= 200Ω
100
10M
10M
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
1k
11
, S
22
10k
) vs. Frequency
100M
100M
S22
S11
100k
1G
1M
1G
Rev. 0 | Page 14 of 28
Figure 41. Closed-Loop Output Impedance Magnitude vs. Frequency, G = 1
–20
–40
–60
–80
80
60
40
20
0
1k
–10
100
0.1
10
–2
–4
–6
–8
10
8
6
4
2
0
1
100k
0
Figure 40. Open-Loop Gain and Phase vs. Frequency
10k
100
Figure 42.Overdrive Recovery, G = 2
200
V
100k
OUT, dm
1M
300
FREQUENCY (Hz)
1M
2 × V
FREQUENCY (Hz)
400
PHASE
IN
TIME (ns)
10M
500
10M
GAIN
600
100M
700
100M
1G
800
900
10G
90
45
0
–45
–90
–135
–180
–225
–270
1000
1G