MAX4268 Maxim, MAX4268 Datasheet - Page 8

• Manufacturer Part Number: MAX4268
• Description: The MAX4265–MAX4270 ultra-low distortion, voltage-feed-back op amps are capable of driving a 100Ω load while maintaining ultra-low distortion over a wide bandwidth
• Manufacturer: Maxim

Ultra-Low-Distortion, +5V,
400MHz Op Amps with Disable
(V
MAX4267/MAX4270 A
8
CC
0.001
-100
-100
0.01
-20
-30
-40
-50
-60
-70
-80
-90
_______________________________________________________________________________________
-20
-30
-40
-50
-60
-70
-80
-90
0.1
= +5V, V
0.1
0
0
f
V
O
2ND HARMONIC
DISTORTION vs. LOAD RESISTANCE
f
V
OUT
MAX4267/MAX4270
MAX4266/MAX4269
O
DISTORTION vs. VOLTAGE SWING
OUT
= 5MHz
TOTAL HARMONIC DISTORTION
= 5MHz
PLUS NOISE vs. FREQUENCY
100
= 1Vp-p
= 1Vp-p
0.5
EE
VOLTAGE SWING (Vp-p)
200
FREQUENCY (MHz)
= 0, DISABLE_ = +5V, R
1
1.0
MAX4268
MAX4269
R
V
LOAD
= +5V/V, T
300
(Ω)
MAX4265/MAX4268
1.5
3RD HARMONIC
2ND HARMONIC
3RD HARMONIC
400
10
2.0
A
500
=+25°C, unless otherwise noted.)
100
2.5
600
L
= 100Ω to V
-100
-100
-100
-20
-30
-40
-50
-60
-70
-80
-90
-20
-30
-40
-50
-60
-70
-80
-90
-20
-30
-40
-50
-60
-70
-80
-90
Typical Operating Characteristics (continued)
0.1
0
0
V
DISTORTION vs. LOAD RESISTANCE
f
V
O
f
3RD HARMONIC
O
SPURIOUS-FREE DYNAMIC RANGE
OUT
OUT
DISTORTION vs. VOLTAGE SWING
= 5MHz
= 5MHz
100
= 1Vp-p
= 1Vp-p
0.5
CC
2ND HARMONIC
3RD HARMONIC
MAX4269
VOLTAGE SWING (Vp-p)
/2, MAX4265/MAX4268 A
200
vs. FREQUENCY
FREQUENCY (MHz)
1
MAX4270
2ND HARMONIC
1.0
MAX4269
R
LOAD
MAX4270
300
(Ω)
1.5
400
MAX4268
10
2.0
500
600
100
2.5
V
= +1V/V, MAX4266/MAX4269 A
-100
-100
-20
-30
-40
-50
-60
-70
-80
-90
-20
-30
-40
-50
-60
-70
-80
-90
60
55
50
45
40
35
30
25
20
0.1
0
0
f
MAX4267/MAX4270
O
f
O
DISTORTION vs. VOLTAGE SWING
DISTORTION vs. VOLTAGE SWING
= 5MHz
= 5MHz
MAX4265/MAX4266/MAX4267
2ND HARMONIC
3RD HARMONIC
INTERCEPT vs. FREQUENCY
0.5
0.5
TWO-TONE THIRD-ORDER
MAX4266/MAX4269
VOLTAGE SWING (Vp-p)
VOLTAGE SWING (V)
FREQUENCY (MHz)
1
1.0
1.0
MAX4270
MAX4265/MAX4268
1.5
1.5
2ND HARMONIC
10
3RD HARMONIC
V
2.0
2.0
= +2V/V,
2.5
2.5
100