Datasheet

MAX2055
Digitally Controlled, Variable-Gain, Differential
ADC Driver/Amplifier
8 _______________________________________________________________________________________
2ND HARMONIC vs. FREQUENCY
MAX2055 toc42
FREQUENCY (MHz)
HARMONIC (dBc)
27024060 90 120 180150 210
-75
-70
-65
-60
-55
-50
-80
-85
-90
30 300
V
CC
= +4.75V
V
CC
= +5.25V
V
CC
= +5V
OUTPUT IP2 vs. FREQUENCY (f
1
+ f
2
)
MAX2055 toc43
FREQUENCY (MHz)
OIP2 (dBm)
27024060 90 120 180150 210
55
60
65
70
80
75
85
50
30 300
T
A
= +85°C
T
A
= -40°C
T
A
= +25°C
P
RF1
= P
RF2
= 5dBm
AT OUTPUT, Δf = 1MHz
OUTPUT IP2 vs. FREQUENCY (f
1
+ f
2
)
MAX2055 toc44
FREQUENCY (MHz)
OIP2 (dBm)
27024060 90 120 180150 210
55
60
65
70
75
80
50
30 300
V
CC
= +5.25V
V
CC
= +4.75V
V
CC
= +5.0V
P
RF1
= P
RF2
= 5dBm
AT OUTPUT, Δf = 1MHz
OUTPUT-PORT AMPLITUDE UNBALANCE
vs. FREQUENCY
MAX2055 toc45
FREQUENCY (MHz)
AMPLITUDE UNBALANCE (dB)
27024060 90 120 180150 210
0.05
0.10
0.15
0.20
0.25
0
30 300
OUTPUT-PORT PHASE UNBALANCE
vs. FREQUENCY
MAX2055 toc46
FREQUENCY (MHz)
PHASE UNBALANCE (DEGREES)
27024060 90 120 180150 210
0.5
1.0
1.5
2.0
2.5
3.0
0
30 300
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V
CC
= 5.0V, R
1
= 909Ω, max gain, (B0 = B1 = B2 = B3 = B4 = 0), P
OUT
= 5dBm, T
A
= +25°C, unless otherwise
noted.)