MAX2643EXT-T Maxim Integrated Products, MAX2643EXT-T Datasheet - Page 5

• Manufacturer Part Number: MAX2643EXT-T
• Description: RF Amplifier SiGe, High IP3, LNA with Shutdown, Adjus
• Manufacturer: Maxim Integrated Products
• Type: General Purpose Amplifierr

Specifications of MAX2643EXT-T

• Operating Frequency: 1000 MHz
• Noise Figure: 1.35 dB at 900 MHz
• Operating Supply Voltage: 3 V, 5 V
• Supply Current: 6.5 mA
• Maximum Power Dissipation: 245 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SC-70
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 1 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(MAX2642/MAX2643 EV kits, V
510Ω, high-gain mode (low-gain mode is applicable only to the MAX2642), T
14.0
13.8
13.6
13.4
13.2
13.0
12.8
12.6
16
14
12
10
-10
-15
-20
-25
-30
-35
8
6
4
2
0
-5
0
800
800
0
MATCHED AT 900MHz
T
MATCHED AT 900MHz
ATTENUATION STEP vs. FREQUENCY
REVERSE ISOLATION vs. FREQUENCY
A
820
820
200
= -40°C, HIGH GAIN
SUPPLY CURRENT vs. R
840
840
T
400 600
T
A
A
T
= +85°C, LOW GAIN
860
= +85°C, HIGH GAIN
A
860
T
= +25°C, LOW GAIN
FREQUENCY (MHz)
FREQUENCY (MHz)
A
= +25°C, HIGH GAIN
880
880
MAX2642
R
BIAS
_______________________________________________________________________________________
800 1000 1200 1400 1600
900
900
T
(Ω)
A
= -40°C, LOW GAIN
920
920
HIGH GAIN
LOW GAIN
940
940
BIAS
CC
960
960
= +3.0V, P
980 1000
980 1000
0.0001
RFIN
0.001
0.01
Typical Operating Characteristics (continued)
-10
-15
-20
-25
-30
-35
-10
-20
-30
-40
-50
-60
0.1
10
-5
1
0
0
800
-40
= -30dBm, input and output are terminated to 50Ω, f
MATCHED AT 900MHz
820
0V
OUTPUT
-20
RETURN LOSS vs. FREQUENCY
840
HIGH/LOW-GAIN SWITCH
3V
SHUTDOWN CURRENT
INPUT
CHARACTERISTICS
vs. TEMPERATURE
860
0
TEMPERATURE (°C)
FREQUENCY (MHz)
TIME (400ns/div)
(HIGH GAIN)
MAX2642
880
V
20
V
CC
CC
900MHz SiGe, High IP3,
900
= 3.0V
= 5.5V
40
920
Low-Noise Amplifiers
940
60
A
V
RFOUT
960
= +25°C, unless otherwise noted.)
80
980 1000
100
-10
-15
-20
-25
-30
-35
-10
-20
-30
-40
-50
-60
-70
-80
-90
8.0
7.6
7.2
6.8
6.4
6.0
5.6
5.2
4.8
4.4
4.0
-5
0
0
800
2.4
MATCHED AT 900MHz
T
T
T
T
820
A
A
A
A
SHUTDOWN CHARACTERISTICS
2.8
= +85°C, LOW GAIN
= +85°C, HIGH GAIN
= +25°C, HIGH GAIN
= -40°C, LOW GAIN
RETURN LOSS vs. FREQUENCY
840
vs. SUPPLY VOLTAGE
3.2
V
860
SUPPLY CURRENT
RFIN
RFOUT
SUPPLY VOLTAGE (V)
FREQUENCY (MHz)
TIME (4µs/div)
3.6
(LOW GAIN)
880
MAX2643
MAX2642
= 900MHz, R
900
4.0
T
A
920
= +25°C, LOW GAIN
4.4
3V
940
OUTPUT
T
HIGH GAIN
A
4.8
960
= -40°C,
INPUT
0V
5.2
BIAS
980 1000
5.6
=
5