Datasheet
MAX2065
50MHz to 1000MHz High-Linearity, Serial/
Parallel-Controlled Analog/Digital VGA
______________________________________________________________________________________ 13
OUTPUT P1dB vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
OUTPUT P1dB (dBm)
250 450 650 850 1050
18
17
13
16
15
14
50
MAX2065 toc56
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
OUTPUT P1dB vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
OUTPUT P1dB (dBm)
250 450 650 850 1050
18
17
13
16
15
14
50
MAX2065 toc57
V
CC
= 5.25V
V
CC
= 5.00V
V
CC
= 4.75V
OUTPUT IP3 vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
250 450 650 850 1050
45
40
25
35
30
50
MAX2065 toc58
T
C
= +25°C
T
C
= -40°C
T
C
= +85°C
OUTPUT IP3 vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
OUTPUT IP3 (dBm)
250 450 650 850 1050
45
40
25
35
30
50
MAX2065 toc59
V
CC
= 4.75V
V
CC
= 5.00V
V
CC
= 5.25V
OUTPUT IP3 vs. DIGITAL ATTENUATOR
STATE (LOW CURRENT MODE)
DIGITAL ATTENUATOR STATE (dB)
OUTPUT IP3 (dBm)
4 8 12 16 20 24 28 32
45
40
25
35
30
0
MAX2065 toc60
T
C
= -40°C LSB, USB
T
C
= +85°C LSB, USB
T
C
= +25°C LSB, USB
P
OUT
= -3dBm/TONE
RF = 200MHz
OUTPUT IP3 vs. ANALOG ATTENUATOR
STATE (LOW CURRENT MODE)
DAC CODE
OUTPUT IP3 (dBm)
32 64 98 128 160 192 224 256
45
40
25
35
30
0
MAX2065 toc61
T
C
= -40°C, +25°C, +85°C
TONE = LSB, USB
P
OUT
= -3dBm/TONE
RF = 200MHz
2nd HARMONIC vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
2nd HARMONIC (dBc)
250 450 650 850 1050
80
40
70
60
50
50
MAX2065 toc62
T
C
= -40°C
P
OUT
= 3dBm
T
C
= +85°C
T
C
= +25°C
2nd HARMONIC vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
2nd HARMONIC (dBc)
250 450 650 850 1050
80
40
70
60
50
50
MAX2065 toc63
V
CC
= 5.25V
V
CC
= 5.00V
V
CC
= 4.75V
P
OUT
= 3dBm
2nd HARMONIC vs. DIGITAL ATTENUATOR
STATE (LOW CURRENT MODE)
DIGITAL ATTENUATOR STATE (dB)
2nd HARMONIC (dBc)
4 8 12 2016 24 28 32
80
60
75
70
65
0
MAX2065 toc64
T
C
= +85°C
T
C
= -40°C
T
C
= +25°C
P
OUT
= 0dBm
RF = 200MHz
Typical Operating Characteristics (continued)
(V
CC
= +5.0V, LC mode, both attenuators set for maximum gain, P
IN
= -20dBm, f
RF
= 200MHz, and T
C
= +25°C, internal reference
used, unless otherwise noted.)