Datasheet

MAX2065
50MHz to 1000MHz High-Linearity, Serial/
Parallel-Controlled Analog/Digital VGA
12 ______________________________________________________________________________________
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.)
SUPPLY CURRENT vs. V
CC
(LOW CURRENT MODE)
V
CC
(V)
SUPPLY CURRENT (mA)
4.857 5.000 5.125 5.250
85
55
75
65
4.750
MAX2065 toc47
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
GAIN vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
GAIN (dB)
250 450 650 850 1050
22
21
14
20
19
18
17
16
15
50
MAX2065 toc48
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
GAIN vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
GAIN (dB)
250 450 650 850 1050
22
21
14
20
19
18
17
16
15
50
MAX2065 toc49
V
CC
= 4.75V, 5.00V, 5.25V
INPUT MATCH OVER DIGITAL ATTENUATOR
SETTING vs. RF FREQUENCY
RF FREQUENCY (MHz)
INPUT MATCH (dB)
250 450 650 850 1050
0
-5
-30
-10
-15
-20
-25
50
MAX2065 toc50
16dB
31dB
0dB, 8dB
1dB, 2dB
4dB
OUTPUT MATCH OVER DIGITAL ATTENUATOR
SETTING vs. RF FREQUENCY
RF FREQUENCY (MHz)
OUTPUT MATCH (dB)
250 450 650 850 1050
0
-5
-30
-10
-15
-20
-25
50
MAX2065 toc51
8dB
16dB, 31dB
0dB, 1dB, 2dB, 4dB
INPUT MATCH vs. ANALOG ATTENUATOR
SETTING (LOW CURRENT MODE)
DAC CODE
INPUT MATCH (dB)
32 64 96 128 160 192 224 256
0
-5
-30
-10
-15
-20
-25
0
MAX2065 toc52
200MHz
450MHz
50MHz
1000MHz
OUTPUT MATCH vs. ANALOG ATTENUATOR
SETTING (LOW CURRENT MODE)
DAC CODE
OUTPUT MATCH (dB)
32 64 96 128 160 192 224 256
0
-5
-30
-10
-15
-20
-25
0
MAX2065 toc53
50MHz
200MHz
450MHz
1000MHz
NOISE FIGURE vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
250 450 650 850 1050
11
10
4
9
8
7
6
5
50
MAX2065 toc54
T
C
= +85°C T
C
= +25°C
T
C
= -40°C
NOISE FIGURE vs. RF FREQUENCY
(LOW CURRENT MODE)
RF FREQUENCY (MHz)
NOISE FIGURE (dB)
250 450 650 850 1050
11
10
4
9
8
7
6
5
50
MAX2065 toc55
V
CC
= 4.75V, 5.00V, 5.25V