Typical operating characteristics (continued) – Rainbow Electronics MAX2062 User Manual
Page 11
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MAX2062
Dual 50MHz to 1000MHz High-Linearity,
Serial/Parallel-Controlled Analog/Digital VGA
Typical Operating Characteristics (continued)
(Typical Application Circuit, V
CC
= V
CC_AMP_1
= V
CC_AMP_2
= V
CC_RG
= 5.0V, attenuators are set for maximum gain, RF ports are
driven from 50I sources, AMPSET = 0, PD_1 = PD_2 = 0, P
IN
= -20dBm, f
RF
= 350MHz, and T
C
= +25NC, unless otherwise noted.)
OIP2 vs. ANALOG ATTENUATOR STATE
MAX2062 toc40
ANALOG ATTENUATOR STATE (DAC CODE)
OIP2 (dBm)
168
126
84
42
40
45
50
55
60
35
0
210
T
C
= -40°C
T
C
= +85°C
P
OUT
= -3dBm/TONE
RF = 350MHz
T
C
= +25°C
DAC VOLTAGE vs. DAC CODE
MAX2062 toc41
DAC CODE
DAC VOLTAGE (V)
224
192
160
128
96
64
32
0.5
1.0
1.5
2.0
2.5
3.0
0
0
256
T
C
= -40°C, +25°C, +85°C
DAC VOLTAGE vs. DAC CODE
MAX2062 toc42
DAC CODE
DAC VOLTAGE (V)
224
192
160
128
96
64
32
0.5
1.0
1.5
2.0
2.5
3.0
0
0
256
V
CC
= 4.75V, 5.00V, 5.25V
DAC VOLTAGE DRIFT vs. DAC CODE
MAX2062 toc43
DAC CODE
DAC VOLTAGE DRIFT (V)
224
192
128 160
64
96
32
-0.04
-0.03
-0.02
-0.01
0
0.01
0.02
0.03
0.04
0.05
-0.05
0
256
T
C
CHANGED FROM +25°C TO -40°C
T
C
CHANGED FROM +25°C TO +85°C
DAC VOLTAGE DRIFT vs. DAC CODE
MAX2062 toc44
DAC CODE
DAC VOLTAGE DRIFT (V)
224
192
32
64
96 128 160
-0.0075
-0.0050
-0.0025
0
0.0025
0.0050
0.0075
0.0100
0.0100
0
256
V
CC
CHANGED FROM 5.00V TO 5.25V
V
CC
CHANGED FROM 5.00V TO 4.75V
GAIN vs. RF FREQUENCY
(DIGITAL ATTENUATOR ONLY)
MAX2062 toc45
RF FREQUENCY (MHz)
GAIN (dB)
850
650
450
250
-4
-3
-2
-1
0
-5
50
1050
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
GAIN vs. RF FREQUENCY
(DIGITAL ATTENUATOR ONLY)
MAX2062 toc46
RF FREQUENCY (MHz)
GAIN (dB)
850
650
450
250
-4
-3
-2
-1
0
-5
50
1050
V
CC
= 4.75V, 5.00V, 5.25V
GAIN vs. RF FREQUENCY
(ANALOG ATTENUATOR ONLY)
MAX2062 toc47
RF FREQUENCY (MHz)
GAIN (dB)
850
650
450
250
-4
-3
-2
-1
0
-5
50
1050
T
C
= +85°C
T
C
= +25°C
T
C
= -40°C
GAIN vs. RF FREQUENCY
(ANALOG ATTENUATOR ONLY)
MAX2062 toc48
RF FREQUENCY (MHz)
GAIN (dB)
850
650
450
250
-4
-3
-2
-1
0
-5
50
1050
V
CC
= 4.75V, 5.00V, 5.25V