Typical operating characteristics (continued) – Rainbow Electronics MAX2055 User Manual
Page 7
MAX2055
Digitally Controlled, Variable-Gain, Differential
ADC Driver/Amplifier
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V
CC
= 5.0V, R
1
= 909
Ω, max gain, (B0 = B1 = B2 = B3 = B4 = 0), P
OUT
= 5dBm, T
A
= +25°C, unless otherwise
noted.)
NOISE FIGURE vs. FREQUENCY
MAX2055 toc33
FREQUENCY (MHz)
NOISE FIGURE (dB)
270
240
60
90 120
180
150
210
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
4.0
30
300
T
A
= +85
°C
T
A
= -40
°C
T
A
= +25
°C
OUTPUT P-1dB vs. FREQUENCY
MAX2055 toc34
FREQUENCY (MHz)
OUTPUT P-1dB (dBm)
270
240
60
90 120
180
150
210
22
23
24
25
26
27
21
30
300
T
A
= +85
°C
T
A
= -40
°C
T
A
= +25
°C
OUTPUT P-1dB vs. FREQUENCY
MAX2055 toc35
FREQUENCY (MHz)
OUTPUT P-1dB (dBm)
270
240
60
90 120
180
150
210
22
23
24
25
26
27
21
30
300
V
CC
= +4.75V
V
CC
= +5V
V
CC
= +5.25V
OUTPUT IP3 vs. FREQUENCY
MAX2055 toc36
FREQUENCY (MHz)
OIP3 (dBm)
270
240
60
90 120
180
150
210
32
34
36
38
42
40
44
30
30
300
T
A
= +85
°C
T
A
= -40
°C
T
A
= +25
°C
P
RF1
= P
RF2
= 5dBm
AT OUTPUT,
∆f = 1MHz
OUTPUT IP3 vs. FREQUENCY
MAX2055 toc37
FREQUENCY (MHz)
OIP3 (dBm)
270
240
60
90 120
180
150
210
32
34
36
38
42
40
44
30
30
300
V
CC
= +5.25V
V
CC
= +4.75V
V
CC
= +5V
P
RF1
= P
RF2
= 5dBm
AT OUTPUT,
∆f = 1MHz
INPUT IP3 vs. ATTENUATION STATE
MAX2055 toc38
ATTENUATION STATE
IIP3 (dBm)
20
16
4
8
12
20
25
30
35
40
45
50
55
15
0
24
P
RF1
= P
RF2
= 5dBm
AT OUTPUT,
∆f = 1MHz,
f
IN
= 70MHz
3RD HARMONIC vs. FREQUENCY
MAX2055 toc39
FREQUENCY (MHz)
HARMONIC (dBc)
270
240
60
90 120
180
150
210
-80
-75
-70
-65
-60
-55
-85
30
300
T
A
= +85
°C
T
A
= -40
°C
T
A
= +25
°C
3RD HARMONIC vs. FREQUENCY
MAX2055 toc40
FREQUENCY (MHz)
HARMONIC (dBc)
270
240
60
90 120
180
150
210
-80
-75
-70
-65
-60
-55
-85
30
300
V
CC
= +4.75V
V
CC
= +5V
V
CC
= +5.25V
2ND HARMONIC vs. FREQUENCY
MAX2055 toc41
FREQUENCY (MHz)
HARMONIC (dBc)
270
240
60
90 120
180
150
210
-80
-75
-70
-65
-60
-55
-50
-85
-90
30
300
T
A
= +85
°C
T
A
= -40
°C
T
A
= +25
°C