MAX2655EXT+T Maxim Integrated Products, MAX2655EXT+T Datasheet - Page 10

• Manufacturer Part Number: MAX2655EXT+T
• Description: RF Amplifier LNA with Adjustable- IP3 and Shutdown for
• Manufacturer: Maxim Integrated Products

Specifications of MAX2655EXT+T

• Operating Frequency: 1575 MHz to 1900 MHz
• P1db: - 12.2 dBm
• Noise Figure: 1.45 dB at 1575 MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1575MHz/1900MHz Variable-IP3
Low-Noise Amplifiers
(P
T
10
A
IN
= +25°C, unless otherwise noted.)
16
2.4
2.2
2.0
1.8
1.6
1.4
14
12
10
-1
-2
= -30dBm, input and output are terminated to 50Ω, V
8
6
4
2
0
4
3
2
1
0
______________________________________________________________________________________
1000
1500
200
f
LOW-GAIN MODE
IN
R
BIAS
R
= 1960MHz
T
1600
BIAS
A
1200 1400
400
NOISE FIGURE vs. FREQUENCY
= +25°C
= 392Ω ±1%
= 392Ω ±1%
R
R
1700 1800
BIAS
GAIN vs. FREQUENCY
BIAS
600
T
FREQUENCY (MHz)
A
= 715Ω ±1%
GAIN vs. R
FREQUENCY (MHz)
= 698Ω ±1%
T
= +85°C
R
A
MAX2656
MAX2656
MAX2656
BIAS
800
= -40°C
R
1600
BIAS
1900 2000 2100 2200 2300
HIGH-GAIN MODE
= 511Ω ±1%
R
1000 1200 1400 1600
(Ω)
BIAS
1800
BIAS
= 511Ω ±1%
2000
2200
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
Typical Operating Characteristics (continued)
-1
-2
-3
-4
4
3
2
1
0
3
2
1
0
1000
-40
2.5
R
f
LOW-GAIN MODE
f
R
IN
1
BIAS
NOISE FIGURE vs. TEMPERATURE
BIAS
R
= 1960MHz
= 1960MHz
1200 1400
BIAS
3.0
CC
T
-20
A
GAIN vs. SUPPLY VOLTAGE
= 511Ω ±1%
= 511Ω ±1%
= +25°C
= 392Ω ±1%
GAIN vs. FREQUENCY
= +3V, high-gain and low-gain modes are applicable only to the MAX2656,
3.5
R
SUPPLY VOLTAGE (V)
FREQUENCY (MHz)
TEMPERATURE (°C)
BIAS
0
MAX2656
MAX2656
MAX2656
R
= 715Ω ±1%
4.0
1600 1800
BIAS
T
20
A
= -40°C
= 511Ω ±1%
4.5
40
LOW-GAIN MODE
T
5.0
A
2000 2200
= +85°C
60
5.5
80
6.0
16.0
15.5
15.0
14.5
14.0
-10
-12
-14
-16
-18
-20
-22
-24
18
17
16
15
14
13
12
11
10
INPUT/OUTPUT RETURN LOSS vs. FREQUENCY
-2
-4
-6
-8
9
8
7
6
0
1000
200
2.5
f
HIGH-GAIN MODE
IN
R
f
HIGH-GAIN MODE
1
BIAS
= 1960MHz
= 1960MHz
INPUT
RETURN LOSS
1200 1400
400
3.0
LOW-GAIN MODE
T
GAIN vs. SUPPLY VOLTAGE
= 511Ω ±1%
A
T
A
= +25°C
600
= -40°C
3.5
SUPPLY VOLTAGE (V)
FREQUENCY (MHz)
GAIN vs. R
MAX2656
MAX2656
MAX2656
T
800
T
4.0
T
R
1600 1800
A
A
A
BIAS
= +85°C
= +85°C
= -40°C
T
A
1000 1200 1400 1600
(Ω)
4.5
= +25°C
BIAS
OUTPUT
RETURN LOSS
5.0
2000 2200
5.5
6.0