MAX2057 Maxim Integrated Products, MAX2057 Datasheet - Page 5

• Manufacturer Part Number: MAX2057
• Description: 1700MHz to 2500MHz Variable-Gain Amplifier
• Manufacturer: Maxim Integrated Products

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(Typical Application Circuit with one attenuator connected, V
setting, P
40
38
36
34
32
30
40
38
36
34
32
30
60
55
50
45
40
35
30
25
20
1500
0
1500
OUT
T
OUTPUT IP3 vs. RF FREQUENCY
A
OUTPUT IP3 vs. ATTENUATION
= +85°C
T
1700
A
1700
= +85°C
T
= +5dBm, linearity measured at P
A
5
= +25°C
REVERSE ISOLATION
RF FREQUENCY (MHz)
vs. RF FREQUENCY
ATTENUATION (dB)
RF FREQUENCY (MHz)
1900
T
MAXIMUM GAIN
1900
A
_______________________________________________________________________________________
= -40°C
10
T
18dB GAIN REDUCTION
T
A
2100
A
= -40°C
2100
= +25°C
15
2300
2300
1700MHz to 2500MHz Variable-Gain
Amplifier with Analog Gain Control
2500
20
2500
38
37
36
35
34
33
32
OUT
40
38
36
34
32
30
Typical Operating Characteristics (continued)
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
1500
-6
1500
= +5dBm/tone, T
V
CC
OUTPUT IP3 vs. OUTPUT POWER
OUTPUT IP3 vs. RF FREQUENCY
NOISE FIGURE vs. RF FREQUENCY
= 4.75V
-3
1700
OUTPUT POWER PER TONE (dBm)
1700
RF FREQUENCY (MHz)
T
0
A
RF FREQUENCY (MHz)
= +85°C
1900
CC
1900
3
= +5.0V, R1 = 1.2kΩ, R2 = 2kΩ, f
V
2100
A
CC
= +25°C, unless otherwise noted.)
2100
T
= 5.00V
T
6
A
V
A
= +25°C
CC
= -40°C
= 5.25V
2300
9
2300
2500
12
2500
One Attenuator Configuration
41
38
35
32
29
26
23
20
75
70
65
60
55
50
45
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
1500
0
1500
OUTPUT IP2 vs. RF FREQUENCY
NOISE FIGURE vs. RF FREQUENCY
INPUT IP3 vs. ATTENUATION
IN
1700
T
1700
A
= 2100MHz, maximum gain
5
= -40°C
V
T
RF FREQUENCY (MHz)
CC
A
ATTENUATION (dB)
T
RF FREQUENCY (MHz)
V
= +25°C
A
CC
1900
= 5.25V
= +85°C
1900
= 4.75V
10
T
2100
A
T
V
= -40°C
2100
A
CC
= +25°C
T
= 5.00V
A
= +85°C
15
2300
2300
2500
20
2500
5