MAX2685EEE Maxim Integrated Products, MAX2685EEE Datasheet - Page 4
MAX2685EEE
Manufacturer Part Number
MAX2685EEE
Description
RF Amplifier Low-Cost 900MHz Low- Noise Amplifier and
Manufacturer
Maxim Integrated Products
Type
General Purpose Amplifierr
Datasheet
1.MAX2685EEE.pdf
(10 pages)
Specifications of MAX2685EEE
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MAX2685EEE
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX2685EEE+T
Manufacturer:
MAXIM
Quantity:
7
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