MAX2067
50MHz to 1000MHz High-Linearity,
Serial/Analog-Controlled VGA
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DAC VOLTAGE USING INTERNAL
REFERENCE vs. DAC CODE
MAX2067 toc28
DAC CODE
DAC VOLTAGE (V)
3.0
1.5
2.5
1.0
2.0
0.5
0
0 96 160 22432 25619212864
T
C
= -40
°
C, +25
°
C, +85
°
C
DAC VOLTAGE USING INTERNAL
REFERENCE vs. DAC CODE
MAX2067 toc29
DAC CODE
DAC VOLTAGE (V)
3.0
1.5
2.5
1.0
2.0
0.5
0
0 96 160 22432 25619212864
V
CC
= 4.75V, 5.00V, 5.25V
DAC VOLTAGE DRIFT USING
INTERNAL REFERENCE vs. DAC CODE
MAX2067 toc30
DAC CODE
DAC VOLTAGE CHANGE (V)
0.05
0
0.04
-0.01
0.03
0.02
0.01
-0.02
-0.03
-0.04
-0.05
0 96 160 22432 25619212864
T
C
CHANGED FROM +25
°
C to +85
°
C
T
C
CHANGED FROM +25
°
C to -40
°
C
DAC VOLTAGE DRIFT USING
INTERNAL REFERENCE vs. DAC CODE
MAX2067 toc31
DAC CODE
DAC VOLTAGE CHANGE (V)
0.0100
0
0.0075
-0.0025
0.0050
0.0025
-0.0050
-0.0075
-0.0100
0 96 160 22432 25619212864
V
CC
CHANGED FROM 5.00V to 4.75V
V
CC
CHANGED FROM 5.00V to 5.25V
Typical Operating Characteristics (continued)
(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.)