MAX2685EEE Maxim Integrated Products, MAX2685EEE Datasheet - Page 3
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
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2685 EV kit, V
differential IFOUT operation, Z
Note 1: Performance at temperatures greater than or equal to +25°C are guaranteed by production test; performance at tempera-
Note 2: This is the recommended operating frequency range.
Note 3: Maximum and minimum limits are guaranteed by design and device characterization and are not production tested.
Note 4: Two tones at 880MHz and 880.1MHz, -30dBm per tone.
Note 5: Two tones at 880MHz and 880.1MHz, -10dBm per tone.
Note 6: Two tones at 880MHz and 880.1MHz, -25dBm per tone.
Note 7: Time from SHDN = high, until the cascaded receive gain is within 1dB of its final value. Measured with 47pF blocking
(MAX2685 EV kit, V
differential IFOUT operation, Z
OVERALL SYSTEM
Mixer Conversion Gain Variation over
Temperature
Mixer Noise Figure (SSB)
Mixer Input IP3 (Note 6)
LO Port Return Loss
LO-to-LNAIN Isolation
LO-to-MIXIN Isolation
LNAOUT-to-MIXIN Isolation
Receiver Enable Time
10
9
8
7
6
5
4
3
2
1
0
2.5
SUPPLY CURRENT vs. SUPPLY VOLTAGE
GAIN = HIGH
GAIN = LOW
T
tures less than +25°C are guaranteed by design and characterization.
capacitors on LNAIN and LNAOUT. Matching network removed from IFOUT output.
A
= +85°C
3.0
T
PARAMETER
A
T
SUPPLY VOLTAGE (V)
= +85°C
A
3.5
= +25°C
CC
CC
T
_______________________________________________________________________________________
A
Low-Cost, 900MHz, Low-Noise Amplifier
= V
T
= V
= +25°C
4.0
A
= -40°C
SHDN
SHDN
4.5
o
o
T
= 50Ω, T
= 50Ω, T
= +3V, f
= +3V, f
A
= -40°C
5.0
5.5
LNAIN
LNAIN
A
A
= +25°C, unless otherwise noted.)
= +25°C, unless otherwise noted.)
= f
= f
GAIN = V
GAIN = V
GAIN = GND
GAIN = V
GAIN = GND
SHDN = V
(Note 7)
MIXIN
MIXIN
10
9
8
7
6
5
4
3
2
1
0
2.5
SHDN = GND
= 880MHz, f
= 880MHz, f
SHUTDOWN SUPPLY CURRENT
3.0
CC
CC
CC
CC
vs. SUPPLY VOLTAGE
, T
or GND
and Downconverter Mixer
SUPPLY VOLTAGE (V)
A
3.5
CONDITIONS
= T
T
A
= +25°C
LO
LO
MIN
4.0
= 960MHz, P
= 960MHz, P
T
Typical Operating Characteristics
A
to T
= +85°C
4.5
T
A
MAX
= -40°C
5.0
(Note 3)
LNAIN
LNAIN
5.5
= -30dBm, P
= -30dBm, P
-10
-15
20
15
10
-5
5
0
2.5
MIN
GAIN = LOW T
GAIN = HIGH
LNA GAIN vs. SUPPLY VOLTAGE
LO
3.0
LO
T
A
= -8dBm, P
= -8dBm, P
= +25°C
SUPPLY VOLTAGE (V)
TYP
12.1
-1.5
3.5
0.8
13
11
53
31
28
1
7
A
= +85°C
T
4.0
A
T
A
= -40°C
T
= +25°C T
A
MAX
MIXIN
MIXIN
= +85°C
2
4.5
= -25dBm,
= -25dBm,
A
5.0
= -40°C
UNITS
dBm
dB
dB
dB
dB
dB
dB
µs
5.5
3