MAX4285 Maxim, MAX4285 Datasheet - Page 6

• Manufacturer Part Number: MAX4285
• Description: The MAX4285/MAX4286 single and MAX4287/MAX4288/MAX4387/MAX4388 dual ADC buffer amplifiers feature high-speed performance and single +3V supply operation
• Manufacturer: Maxim

+3V/+5V, 250MHz, SOT23 ADC Buffer Amplifiers
with High-Speed Disable
(V
6
CC
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0.4
_______________________________________________________________________________________
0.3
0.2
0.1
-1
-2
-3
-4
-5
-6
-1
-2
-3
-4
-5
-6
4
4
3
2
1
0
0
3
2
1
0
= +3V, V
100k
100k
100k
LARGE-SIGNAL GAIN vs. FREQUENCY
SMALL-SIGNAL GAIN vs. FREQUENCY
GAIN FLATNESS vs. FREQUENCY
MAX4285/MAX4287/MAX4288
MAX4285/MAX4287/MAX4288
EE
1M
1M
1M
= 0, DISABLE_ ≥ 2V, R
(R
FREQUENCY (Hz)
FREQUENCY (Hz)
FREQUENCY (Hz)
LOAD
10M
10M
10M
= 300Ω)
100M
100M
100M
A
A
V
V
= +1V/V
= +1V/V
1G
1G
1G
L
= 300Ω to V CC /2, V
-100
-40
-50
-60
-70
-80
-90
-0.1
-0.2
-0.3
-0.4
-0.5
0.5
0.4
0.3
0.2
0.1
-1
-2
-3
-4
-5
-6
4
3
2
1
0
0
100k
100k
0.1
R
V
A
SMALL-SIGNAL GAIN vs. FREQUENCY
L
OUT
V
= 300Ω
= +1V/V
GAIN FLATNESS vs. FREQUENCY
MAX4285/MAX4287/MAX4288
MAX4285/MAX4287/MAX4288
MAX4286/MAX4387/MAX4388
DISTORTION vs. FREQUENCY
= 0.5Vp-p
2ND HARMONIC
3RD HARMONIC
1M
1M
CM
FREQUENCY (MHz)
1
FREQUENCY (Hz)
(R
FREQUENCY (Hz)
LOAD
= +1.0V, T
10M
10M
= 1kΩ)
Typical Operating Characteristics
10
100M
100M
A
A
A
V
V
=+25°C, unless otherwise noted.)
= +5V/V
= +1V/V
100
1G
1G
-100
-40
-50
-60
-70
-80
-90
-0.1
-0.2
-0.3
-0.4
-0.5
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
0.5
0.4
0.4
0.3
0.2
0.1
0.3
0.2
0.1
0
0
100k
100k
0.1
R
V
A
L
OUT
V
GAIN FLATNESS vs. FREQUENCY
= 300Ω
GAIN FLATNESS vs. FREQUENCY
= +5V/V
MAX4286/MAX4387/MAX4388
MAX4286/MAX4387/MAX4388
MAX4285/MAX4387/MAX4288
DISTORTION vs. FREQUENCY
= 0.5Vp-p
2ND HARMONIC
3RD HARMONIC
1M
1M
R
(R
FREQUENCY (MHz)
1
LOAD
FREQUENCY (Hz)
FREQUENCY (Hz)
LOAD
R
LOAD
= 1kΩ
10M
10M
= 100Ω)
= 100Ω
10
R
100M
100M
LOAD
A
A
V
V
= +1V/V
= +5V/V
= 300Ω
100
1G
1G