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PDF MAX2664 Data sheet ( Hoja de datos )
| Número de pieza | MAX2664 | |
| Descripción | VHF/UHF Low-Noise Amplifiers | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de MAX2664 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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MAX2664/MAX2665
EVALUATION KIT AVAILABLE
VHF/UHF Low-Noise Amplifiers
General Description
The MAX2664 and MAX2665 are ultra-compact LNAs
for VHF/UHF applications. These devices incorporate a
broadband LNA with an integrated bypass switch. The
MAX2664 covers the UHF frequency range from 470MHz
to 860MHz, and the MAX2665 covers the VHF frequency
range from 75MHz to 230MHz.
Each device has a zero-power bypass mode for improved
high-signal-level handling conditions. Additionally, the
output port is internally matched to 50Ω while a single
external inductor is used to match the input port to 50Ω.
The MAX2664 and MAX2665 are available in a 4-bump
(0.8mm x 0.8mm x 0.64mm), lead-free, wafer-level pack-
age (WLP).
Applications
●● Smartphones/Handsets
●● MP3 Players
●● Home Audio/Video
●● Portable Navigation Devices
Functional Diagram
Features
●● UHF and VHF Frequency Range
• MAX2664: 470MHz to 860MHz
• MAX2665: 75MHz to 230MHz
●● Low Noise Figure
• MAX2664: 1.2dB
• MAX2665: 1.1dB
●● High Gain: 15dB
●● Zero-Power Bypass Mode
●● Single +2.4V to +3.5V Supply Voltage
●● Low Current: 3.3mA
●● Small Footprint: 0.8mm x 0.8mm
●● Thin Profile: 0.64mm
Ordering Information
PART
TEMP RANGE
PIN-PACKAGE
MAX2664EWS+
-40ºC to +85ºC
4 WLP
MAX2665EWS+
-40ºC to +85ºC
4 WLP
+Denotes a lead(Pb)-free/RoHS-compliant package.
TOP SIDE VIEW
+
GND A1
MAX2664
MAX2665
A2 VCC
RFIN B1
B2 RFOUT/ CTRL
19-5476; Rev 1; 3/15
1 page  
MAX2664/MAX2665
VHF/UHF Low-Noise Amplifiers
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted. MAX2664 and MAX2665 EV kits.)
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
0
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0
0
-5
-10
-15
-20
-25
-30
-35
-40
0
MAX2664 S12
BYPASS MODE
500 1000
FREQUENCY (MHz)
MAX2665 S11
NORMAL MODE
1500
200 400
FREQUENCY (MHz)
MAX2665 S12
NORMAL MODE
600
200 400
FREQUENCY (MHz)
600
www.maximintegrated.com
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0
MAX2664 S22
BYPASS MODE
500 1000
FREQUENCY (MHz)
1500
20
18
16
14
12
10
8
6
4
2
0
0
MAX2665 GAIN vs. FREQUENCY
NORMAL MODE
TA = -40°C
TA = +25°C
TA = +85°C
100 200 300
FREQUENCY (MHz)
400
0
-2
-4
-6
-8
-10
-12
-14
-16
-18
-20
0
MAX2665 S22
NORMAL MODE
200 400
FREQUENCY (MHz)
600
Maxim Integrated │ 5
5 Page 
MAX2664/MAX2665
VHF/UHF Low-Noise Amplifiers
Table 4. MAX2665 Typical Noise Parameters VCC = 2.7V, TA = +25ºC, Z0 = 50Ω
FREQUENCY (MHz)
60
90
120
150
180
210
240
*rn is normalized.
FMIN (dB)
0.911
0.928
0.940
0.949
0.958
0.967
0.975
| ГOPT |
0.1390
0.1458
0.1592
0.1766
0.1962
0.2170
0.2383
ГOPT ANGLE
34.5
47.2
58.1
67.0
74.5
80.7
86.2
rn*
0.1241
0.1240
0.1237
0.1233
0.1227
0.1221
0.1213
Active Bypass Mode Control
The devices’ RFOUT/CTRL pin is used to control the
bypass mode of the LNA. When set to logic-high through
an external 1kΩ resistor, the devices’ active mode is
enabled. Conversely, when connected to logic-low, the
devices’ bypass mode is enabled. An external DC-blocking
capacitor should be used to isolate the control function of
this dual-purpose pin (see the Typical Application Circuit).
Applications Information
A properly designed PCB is essential to any RF micro-
wave circuit. Use controlled-impedance lines on all high-
frequency inputs and outputs. Bypass VCC with decoupling
capacitors located close to the device. For long VCC lines,
it might be necessary to add additional decoupling capaci-
tors. Locate these additional capacitors further away from
the device package. Proper grounding of the GND pin is
essential. If the PCB uses a topside RF ground, connect it
directly to the GND pin. For a board where the ground is
not on the component layer, connect the GND pin to the
board with multiple vias close to the package.
Refer to www.maximintegrated.com for the MAX2664/
MAX2665 S-parameter download, MAX2664/MAX2665
EV kit schematic, gerbers, PADS layout file, and BOM
information.
Table 5. Logic Table
RFOUT/CTRL
High
Low
MODE
Active
Bypass
Chip Information
PROCESS: SiGe BiCMOS
Package Information
For the latest package outline information and land patterns
(footprints), go to www.maximintegrated.com/packages. Note
that a “+”, “#”, or “-” in the package code indicates RoHS status
only. Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
PACKAGE
TYPE
4 WLP
PACKAGE
CODE
W40A0+1
OUTLINE
NO.
21-0480
LAND
PATTERN NO.
—
www.maximintegrated.com
Maxim Integrated │ 11
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet MAX2664.PDF ] | |
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