MAX2655EXT+T Maxim Integrated Products, MAX2655EXT+T Datasheet - Page 11

• 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

(P
T
A
IN
-10
-15
-20
-25
-30
-35
-40
= +25°C, unless otherwise noted.)
-10
-12
-14
INPUT/OUTPUT RETURN LOSS vs. FREQUENCY
-2
-4
-6
-8
0
= -30dBm, input and output are terminated to 50Ω, V
1000
0
HIGH-GAIN MODE
GAIN STEP TIME FROM HIGH TO LOW
INPUT
RETURN LOSS
1200 1400
2.0µs
1.0
FREQUENCY (MHz)
MAX2656
MAX2656
TIME (µs)
1600 1800
______________________________________________________________________________________
2.0
OUTPUT
RETURN LOSS
-10
-2
-4
-6
-8
4
2
0
200
f
LOW-GAIN MODE
IN
3.0
2000 2200
= 1960MHz
400
600
4.0
T
P
A
1dB
= +25°C
MAX2656
800
R
BIAS
T
vs. R
A
T
A
= +40°C
1575MHz/1900MHz Variable-IP3
1000 1200 1400 1600
= +85°C
(Ω)
BIAS
-20
-25
-30
-35
-40
-45
-50
-55
-60
-10
-14
-16
-18
-20
-12
Typical Operating Characteristics (continued)
10
-2
-4
-6
-8
8
6
4
2
0
1000
-30
REVERSE ISOLATION vs. FREQUENCY
f
HIGH-GAIN MODE
IN
R
OUTPUT POWER vs. INPUT POWER
BIAS
= 1960MHz
1200 1400
CC
-25
= 392Ω ±1%
= +3V, high-gain and low-gain modes are applicable only to the MAX2656,
LOW-GAIN MODE
R
BIAS
-20
INPUT POWER (dBm)
FREQUENCY (MHz)
HIGH-GAIN MODE
= 511Ω ±1%
MAX2656
MAX2656
R
1600 1800
BIAS
-15
= 715Ω ±1%
-10
-12
-2
-4
-6
-8
4
2
0
-10
200
Low-Noise Amplifiers
f
HIGH-GAIN MODE
IN
2000 2200
= 1960MHz
-5
400
T
A
600
= +25°C
0
P
1dB
MAX2656
800
R
BIAS
T
vs. R
A
T
= -40°C
A
1000 1200 1400 1600
(Ω)
= +85°C
-10
-15
-20
-25
-30
-35
-40
-10
-14
-18
-22
-26
-30
BIAS
-2
-6
2
-30
0
GAIN STEP TIME FROM LOW TO HIGH
f
LOW-GAIN MODE
IN
OUTPUT POWER vs. INPUT POWER
R
= 1960MHz
BIAS
-25
2.0µs
= 392Ω ±1%
1.0
-20
INPUT POWER (dBm)
R
BIAS
MAX2656
MAX2656
TIME (µs)
= 511Ω ±1%
-15
2.0
R
BIAS
= 715Ω ±1%
-10
3.0
-5
0
4.0
11