Datasheet

Figure 3. Isolation Resistance vs. Capacitive Load
Figure 4. Small-Signal Gain vs. Frequency with Load
Capacitance and No Isolation Resistor
Figure 5. Small-Signal Gain vs. Frequency with Load
Capacitance and 27Ω Isolation Resistor
Figure 2. Driving a Capacitive Load Through an Isolation
Resistor
15
16
14
13
10
11
12
9
C
LOAD
(pF)
500 100 200 300150 250 350 400 450 500 550
R
ISO
(Ω)
LARGE SIGNAL
(V
OUT
= 2V
P-P
)
SMALL SIGNAL
(V
OUT
= 100mV
P-P
)
-5
-3
-4
100k 10M 100M1M 1G
-1
FREQUENCY (Hz)
GAIN (dB)
1
4
6
-6
-2
0
3
2
5
100pF
68pF
33pF
-5
-3
-4
100k 10M 100M1M 1G
-1
FREQUENCY (Hz)
GAIN (dB)
1
4
6
-6
-2
0
3
2
5
68pF
180pF
120pF
R
G
R
F
R
ISO
C
L
V
OUT
V
IN
MAX438 _
MAX4389/MAX4390/
MAX4392–MAX4396
Ultra-Small, Low-Cost, 85MHz Op Amps with
Rail-to-Rail Outputs and Disable
www.maximintegrated.com
Maxim Integrated │ 13
Chip Information
PROCESS: BiCMOS