MAX2655EXT+T Maxim Integrated Products, MAX2655EXT+T Datasheet - Page 8

• 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
8
A
IN
-100
= +25°C, unless otherwise noted.)
-10
-20
-30
-40
-50
-60
-70
-80
-90
2.0
1.8
1.6
1.4
1.2
1.0
10
_______________________________________________________________________________________
= -30dBm, input and output are terminated to 50Ω, V
9
8
7
6
5
4
3
2
1
0
0
-40
SUPPLY CURRENT vs. SUPPLY VOLTAGE
2
0
R
HIGH-GAIN MODE
T
f
R
IN
A
BIAS
BIAS
NOISE FIGURE vs. TEMPERATURE
1.0
= 1575MHz
= +85°C
T
A
-20
= 715Ω ±1%
= 511Ω ±1%
= -40°C
2.0
3
SUPPLY VOLTAGE (V)
SHUTDOWN TIME
0
TEMPERATURE (°C)
5.8µs
3.0
MAX2656
MAX2655
MAX2655
TIME (us)
20
4.0
4
T
A
40
5.0
= +25°C
6.0
5
60
7.0
80
8.0
6
-12
-16
-20
-24
-12
-16
12
-4
-8
-4
-8
14
12
10
Typical Operating Characteristics (continued)
INPUT/OUTPUT RETURN LOSS vs. FREQUENCY
0
8
4
0
8
6
4
2
0
1000 1200 1400
-30
SUPPLY CURRENT vs. SUPPLY VOLTAGE
2
f
INPUT RETURN LOSS
IN
R
HIGH-GAIN MODE
OUTPUT POWER vs. INPUT POWER
-26
BIAS
= 1575MHz
R
CC
BIAS
T
= 511Ω ±1%
A
-22 -18
= +85°C
= 357Ω ±1%
= +3V, high-gain and low-gain modes are applicable only to the MAX2656,
3
INPUT POWER (dBm)
SUPPLY VOLTAGE (V)
FREQUENCY (MHz)
OUTPUT RETURN LOSS
R
BIAS
MAX2655
MAX2655
MAX2656
1600 1800 2000
= 698Ω ±1%
-14 -10
4
T
R
A
BIAS
T
= +25°C
A
= -40°C
= 511Ω ±1%
-6
5
-2
2200
2
6
-10
-11
-12
-13
-14
-15
-16
-17
-18
-20
-25
-30
-35
-40
-45
-50
-55
-60
-8
-9
18
16
14
12
10
8
6
4
2
0
1000
200
SUPPLY CURRENT vs. SUPPLY VOLTAGE
2
REVERSE ISOLATION vs. FREQUENCY
R
HIGH-GAIN MODE
T
BIAS
A
1200
400
= +25°C
= 392Ω ±1%
1400 1600
600
3
T
T
A
SUPPLY VOLTAGE (V)
A
P
FREQUENCY (MHz)
= +85°C
= -40°C
1dB
MAX2655
MAX2655
MAX2656
800 1000 1200 1400 1600
R
BIAS
vs. R
4
(Ω)
T
1800
A
BIAS
T
= +85°C
A
= -40°C
f
IN
T
2000
A
= 1575MHz
5
= +25°C
2200
6