Datasheet

MAX2067
50MHz to 1000MHz High-Linearity,
Serial/Analog-Controlled VGA
6 _______________________________________________________________________________________
GAIN OVER ATTENENUATOR
SETTING vs. RF FREQUENCY
MAX2067 toc04
RF FREQUENCY (MHz)
GAIN (dB)
850450 650250
-6
4
14
24
-16
-1
9
19
-11
50 1050
DAC CODE 256
DAC CODE 64
DAC CODE 0
DAC CODE 128
DAC CODE 32
GAIN vs. ATTENUATOR SETTING
MAX2067 toc05
DAC CODE
GAIN (dB)
32 9664 160 224192128
-6
4
14
24
-11
-1
9
19
-16
0 256
1000MHz
450MHz
200MHz
50MHz
GAIN vs. ATTENUATOR SETTING
MAX2067 toc06
DAC CODE
GAIN (dB)
96 22416012832 64 192
4
19
24
14
9
-16
-6
-11
-1
0256
T
C
= -40
°
C, +25
°
C, +85
°
C
f
RF
= 200MHz
GAIN vs. ATTENUATOR SETTING
MAX2067 toc07
DAC CODE
GAIN (dB)
96 22416012832 64 192
4
19
24
14
9
-16
-6
-11
-1
0256
V
CC
= 4.75V, 5.00V, 5.25V
f
RF
= 200MHz
INPUT MATCH vs.
ATTENUATOR SETTING
MAX2067 toc08
DAC CODE
INPUT MATCH (dB)
128 19216032 9664 224
-25
-20
-15
-10
-40
-35
-30
0 256
450MHz
50MHz
1000MHz
200MHz
OUTPUT MATCH vs.
ATTENUATOR SETTING
MAX2067 toc09
DAC CODE
OUTPUT MATCH (dB)
128 19216032 9664 224
-15
-10
-5
0
-30
-25
-20
0256
450MHz
50MHz
1000MHz
200MHz
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2067 toc01
V
CC
(V)
SUPPLY CURRENT (mA)
5.1255.0004.875
110
120
130
140
150
100
4.750 5.250
T
C
= +85
°
C
T
C
= +25
°
C
T
C
= -40
°
C
GAIN vs. RF FREQUENCY
MAX2067 toc02
RF FREQUENCY (MHz)
GAIN (dB)
850450 650250
17
18
19
21
20
22
23
24
16
50 1050
T
C
= +25
°
C
T
C
= -40
°
C
T
C
= +85
°
C
GAIN vs. RF FREQUENCY
MAX2067 toc03
RF FREQUENCY (MHz)
GAIN (dB)
850450 650250
17
18
19
21
20
22
23
24
16
50 1050
V
CC
= 4,75V, 5.00V, 5.25V
Typical Operating Characteristics
(V
CC
= V
DD
= +5.0V, HC mode, attenuator set for maximum gain, P
IN
= -20dBm, f
RF
= 200MHz, and T
C
= +25°C, internal DAC refer-
ence used, unless otherwise noted.)