MAX4022 Maxim, MAX4022 Datasheet - Page 11
MAX4022
Manufacturer Part Number
MAX4022
Description
The MAX4014/MAX4017/MAX4019/MAX4022 are precision, closed-loop, gain of +2 (or -1) buffers featuring high slew rates, high output current drive, and low differential gain and phase errors
Manufacturer
Maxim
Datasheet
1.MAX4014.pdf
(12 pages)
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Figure 8. Capacitive Load vs. Isolation Resistance
Figure 7. Figure 8 is a graph of the optimal isolation resis-
tor versus load capacitance. Figure 9 shows the frequen-
cy response of the MAX4014/MAX4017/MAX4019/
MAX4022 when driving capacitive loads with a 27Ω isola-
tion resistor.
Low-Cost, High-Speed, Single-Supply, Gain of +2
30
25
20
15
10
5
0
0
Buffers with Rail-to-Rail Outputs in SOT23
______________________________________________________________________________________
50
CAPACITIVE LOAD (pF)
100
150
200
250
Coaxial cables and other transmission lines are easily dri-
ven when properly terminated at both ends with their
characteristic impedance. Driving back-terminated trans-
mission lines essentially eliminates the lines’ capacitance.
Figure 9. Small-Signal Gain vs. Frequency with Load
Capacitance and 27Ω Isolation Resistor
-1
-2
-3
-4
-5
-6
-7
3
2
1
0
100k
R
ISO
= 27Ω
1M
C
FREQUENCY (Hz)
C
L
L
= 68pF
= 120pF
10M
100M
C
L
= 47pF
1G
11