Datasheet

MAX2065
50MHz to 1000MHz High-Linearity, Serial/
Parallel-Controlled Analog/Digital VGA
10 ______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V
CC
= +5.0V, HC mode, both attenuators set for maximum gain, P
IN
= -20dBm, f
RF
= 200MHz, and T
C
= +25°C, internal DAC refer-
ence used, unless otherwise noted.)
OIP2 vs. DIGITAL ATTENUATOR STATE
DIGITAL ATTENUATOR STATE (dB)
OIP2 (dBm)
4 8 12 2016 24 28 32
75
40
70
60
55
50
45
65
0
P
OUT
= -3dBm/TONE
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
MAX2065 toc37
RF = 200MHz
OIP2 vs. ANALOG ATTENUATOR STATE
DAC CODE
OIP2 (dBm)
32 64 96 160128 192 224 256
75
40
70
60
55
50
45
65
0
P
OUT
= -3dBm/TONE
T
C
= -40°C
T
C
= +85°C
T
C
= +25°C
MAX2065 toc38
RF = 200MHz
DAC VOLTAGE vs. DAC CODE
DAC CODE
DAC VOLTAGE (V)
32 64 96 160128 192 224 256
3.0
0
2.5
2.0
1.5
1.0
0.5
0
T
C
= -40°C, +25°C, +85°C
MAX2065 toc39
DAC VOLTAGE vs. DAC CODE
DAC CODE
DAC VOLTAGE (V)
32 64 96 160128 192 224 256
3.0
0
2.5
2.0
1.5
1.0
0.5
0
V
CC
= 4.75V, 5.00V, 5.25V
MAX2065 toc40
DAC VOLTAGE DRIFT vs. DAC CODE
DAC CODE
DAC VOLTAGE CHANGE (V)
32 64 96 160128 192 224 256
0.05
-0.05
0.04
0.01
0.02
0.03
0
-0.01
-0.02
-0.03
-0.04
0
T
C
CHANGED FROM +25°C TO +85°C
T
C
CHANGED FROM +25°C TO -40°C
MAX2065 toc41
DAC VOLTAGE DRIFT vs. DAC CODE
DAC CODE
DAC VOLTAGE CHANGE (V)
32 64 96 160128 192 224 256
0.0100
-0.0100
0.0075
0.0025
0.0050
0
-0.0025
-0.0050
-0.0075
0
V
CC
CHANGED FROM 5.00V TO 4.75V
V
CC
CHANGED FROM 5.00V TO 5.25V
MAX2065 toc42