max2645eubt Maxim Integrated Products, Inc., max2645eubt Datasheet - Page 5

• Manufacturer Part Number: max2645eubt
• Description: Max2645 3.4ghz To 3.8ghz Sige Low-noise Amplifier/pa Predriver
• Manufacturer: Maxim Integrated Products, Inc.

(MAX2645 EV kit, V
-10.5
-11.0
-10.0
-10.0
-10.2
-10.4
-10.6
-10.8
-11.0
-11.2
-11.4
-11.6
-11.8
-12.0
-7.0
-8.0
-8.5
-9.0
-9.5
-7.5
17
16
15
14
13
12
11
10
9
8
7
3.4
15.0
3.0
LOW-NOISE FIGURE CIRCUIT
LOW-NOISE FIGURE CIRCUIT
LOW-NOISE FIGURE CIRCUIT
GAIN vs. SUPPLY VOLTAGE
3.5
3.5
17.5
GAIN vs. FREQUENCY
(HIGH-GAIN MODE)
(LOW-GAIN MODE)
(LOW-GAIN MODE)
SUPPLY VOLTAGE (V)
T
FREQUENCY (GHz)
T
A
GAIN vs. R
A
= +25 C
CC
4.0
= +25 C
R
_______________________________________________________________________________________
BIAS
3.6
20.0
= +3.3V, R
V
T
(k )
CC
A
T
4.5
A
= -40 C
BIAS
= 3.3V
= +85 C
V
T
CC
T
A
3.7
22.5
A
= +85 C
= -40 C
= 5V
5.0
BIAS
= 20k , f
3.8
25.0
5.5
Low-Noise Amplifier/PA Predriver
RFIN
26.0
25.0
24.5
24.0
23.5
22.5
22.0
25.5
23.0
-10
-11
-12
-13
-14
-15
Typical Operating Characteristics (continued)
-5
-6
-7
-8
-9
5
4
3
2
1
0
3.4
3.0
3.4
= 3550MHz, T
LOW-NOISE FIGURE CIRCUIT
LOW-NOISE FIGURE CIRCUIT
LOW-NOISE FIGURE CIRCUIT
NOISE FIGURE vs. FREQUENCY
T
T
A
T
A
3.5
= +85 C
A
= +25 C
= -40 C
3.5
GAIN vs. FREQUENCY
vs. SUPPLY VOLTAGE
3.5
(HIGH-GAIN MODE)
(LOW-GAIN MODE)
SUPPLY VOLTAGE (V)
FREQUENCY (GHz)
FREQUENCY (GHz)
GAIN STEP
4.0
A
3.6
3.6
= +25°C, unless otherwise noted.)
3.4GHz to 3.8GHz SiGe
T
T
A
A
T
4.5
= +85 C
A
= +25 C
= -40 C
3.7
3.7
5.0
3.8
5.5
3.8
15.0
14.8
14.6
14.4
14.2
14.0
15.0
14.8
14.6
14.4
14.2
14.0
13.8
13.6
13.4
13.2
13.0
20
19
18
17
16
15
14
13
12
11
10
15.0
3.0
3.4
LOW-NOISE FIGURE CIRCUIT
LOW-NOISE FIGURE CIRCUIT
LOW-NOISE FIGURE CIRCUIT
NOISE FIGURE vs. FREQUENCY
GAIN vs. SUPPLY VOLTAGE
3.5
17.5
3.5
(HIGH-GAIN MODE)
(HIGH-GAIN MODE)
(LOW-GAIN MODE)
SUPPLY VOLTAGE (V)
GAIN vs. R
FREQUENCY (GHz)
T
A
4.0
= -40 C
R
BIAS
20.0
3.6
V
(k )
CC
T
T
A
A
4.5
= 3.3V
BIAS
= +25 C
= +85 C
V
CC
22.5
3.7
= 5V
5.0
25.0
5.5
3.8
5