Typical operating characteristics – Rainbow Electronics MAX2644 User Manual
Page 3

MAX2644
2.4GHz SiGe, High IP3 Low-Noise Amplifier
_______________________________________________________________________________________
3
Typical Operating Characteristics
(P
RFIN
= -30dBm, Z
S
= Z
L
= 50
Ω, V
CC
= +3.0V, f
RFIN
= 2450MHz, R
BIAS
= 1.2k
Ω, T
A
= +25°C, unless otherwise noted.)
0
4
2
8
6
12
10
14
2.5
3.5
4.0
3.0
4.5
5.0
5.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
MAX2644 toc01
SUPPLY VOLTAGE (V)
SUPPLY CURRENT (mA)
T
A
= +25
°C
T
A
= -40
°C
T
A
= +85
°C
R
BIAS
= 1.2k
Ω
13
15
14
17
16
18
19
0.5
2.0
2.5
1.0
1.5
3.0
3.5
4.0
GAIN vs. R
BIAS
MAX2644 toc05
R
BIAS
(k
Ω)
GAIN (dB)
T
A
= -40
°C
T
A
= +85
°C
T
A
= +25
°C
-20
-14
-16
-18
-12
-10
-8
-6
-4
-2
0
2200
2400
2300
2500
2600
2700
INPUT AND OUTPUT RETURN LOSS
vs. FREQUENCY
MAX2644 toc06
FREQUENCY (MHz)
REVERSE ISOLATION (dB)
OUTPUT RETURN LOSS
R
BIAS
= 1.2k
Ω
INPUT RETURN LOSS
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
2350
2400
2450
2500
2550
NOISE FIGURE vs. FREQUENCY
MAX2644 toc08
FREQUENCY (MHz)
NOSIE FIGURE (dB)
R
BIAS
= 1.2k
Ω
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
-40
-15
10
35
60
85
NOISE FIGURE vs. TEMPERATURE
MAX2644 toc09
TEMPERATURE (
°C)
NOSIE FIGURE (dB)
R
BIAS
= 1.2k
Ω
10
13
12
11
14
15
16
17
18
19
20
2200
2400
2300
2500
2600
2700
GAIN vs. FREQUENCY
MAX2644 toc04
FREQUENCY (MHz)
GAIN (dB)
T
A
= -40
°C
T
A
= +85
°C
T
A
= +25
°C
R
BIAS
= 1.2k
Ω
-50
-40
-45
-30
-35
-25
-20
2200
2400
2300
2500
2600
2700
REVERSE ISOLATION vs. FREQUENCY
MAX2644 toc07
FREQUENCY (MHz)
REVERSE ISOLATION (dB)
T
A
= +25
°C
T
A
= +85
°C
R
BIAS
= 1.2k
Ω
T
A
= -40
°C
1
5
3
9
7
11
13
0.5
2.0
2.5
1.0
1.5
3.0
3.5
4.0
SUPPLY CURRENT vs. R
BIAS
MAX2644 toc02
R
BIAS
(k
Ω)
SUPPLY CURRENT (mA)
T
A
= +25
°C
T
A
= +85
°C
T
A
= -40
°C
12
15
14
13
16
17
18
19
20
21
22
2.5
3.5
3.0
4.0
4.5
5.0
5.5
GAIN vs. SUPPLY VOLTAGE
MAX2644 toc03
SUPPLY VOLTAGE (V)
GAIN (dB)
T
A
= +25
°C
R
BIAS
= 1.2k
Ω
T
A
= +85
°C
T
A
= -40
°C