MAX2685EEE+T Maxim Integrated Products, MAX2685EEE+T Datasheet - Page 4

• Manufacturer Part Number: MAX2685EEE+T
• Description: RF Amplifier IC MIXER DOWN CONVERTER
• Manufacturer: Maxim Integrated Products
• Type: General Purpose Amplifierr

Specifications of MAX2685EEE+T

• Operating Frequency: 1000 MHz
• Noise Figure: 1.4 dB at 880 MHz
• Operating Supply Voltage: 3 V, 5 V
• Supply Current: 8.5 mA
• Maximum Power Dissipation: 667 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-16
• Minimum Operating Temperature: - 40 C
• Number Of Channels: 1 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Low-Cost, 900MHz, Low-Noise Amplifier
and Downconverter Mixer
(MAX2685 EV kit, V
differential IFOUT operation, Z
4
-10
-15
-20
-25
-30
-35
-40
_______________________________________________________________________________________
-10
20
15
10
-5
-5
0
5
0
800
LNA REVERSE ISOLATION vs. FREQUENCY
2.5
GAIN = HIGH
LNA INPUT IP3 vs. SUPPLY VOLTAGE
(800MHz to 1000MHz UNMATCHED)
GAIN = LOW
825
3.0
LNA S11 vs. FREQUENCY
T
A
T
850 875
GAIN = LOW
A
= -40°C
GAIN = HIGH
= -40°C
SUPPLY VOLTAGE (V)
FREQUENCY (MHz)
3.5
T
CC
A
GAIN = HIGH
= +25°C
1000
= V
900 925 950 975 1000
4.0
SHDN
T
4.5
T
1000
A
GAIN = LOW
A
T
800
= +85°C
o
A
= +25°C
= +85°C
HI
= 50Ω, T
= +3V, f
800
5.0
LO
5.5
LNAIN
A
= +25°C, unless otherwise noted.)
= f
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
3.0
-10
-11
-12
-13
-14
-15
-10
-15
-20
Typical Operating Characteristics (continued)
MIXIN
20
15
10
-5
-6
-7
-8
-9
-5
5
0
LNA INPUT RETURN LOSS vs. FREQUENCY
800
800
2.5
T
T
A
A
T
GAIN = HIGH
GAIN = LOW
T
MIXER GAIN vs. SUPPLY VOLTAGE
A
= +25°C
= +85°C
A
T
= 880MHz, f
825
= +25°C
A
= -40°C
= +85°C
3.0
840
LNA GAIN vs. FREQUENCY
850 875
GAIN = HIGH
SUPPLY VOLTAGE (V)
3.5
FREQUENCY (MHz)
FREQUENCY (MHz)
T
A
GAIN = LOW
880
= -40°C
LO
900 925 950 975 1000
4.0
= 960MHz, P
920
GAIN = HIGH
4.5
960
5.0
LNAIN
1000
5.5
= -30dBm, P
-10
-12
-14
-16
-18
-20
-10
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
1.1
1.0
-2
-4
-6
-8
10
-2
-4
-6
-8
LNA OUTPUT RETURN LOSS vs. FREQUENCY
0
8
6
4
2
0
870
800
2.5
MIXER INPUT IP3 vs. SUPPLY VOLTAGE
T
T
A
LNA NOISE FIGURE vs. FREQUENCY
A
880
= +85°C
= +85°C
LO
3.0
840
890 900 910
= -8dBm, P
T
A
SUPPLY VOLTAGE (V)
= -40°C
3.5
FREQUENCY (MHz)
FREQUENCY (MHz)
T
880
A
= -40°C
GAIN = HIGH
GAIN = LOW
T
T
4.0
A
A
= +25°C
920 930 940 950 960
= +25°C
920
MIXIN
4.5
GAIN = LOW
GAIN = HIGH
= -25dBm,
960
5.0
1000
5.5