max2406eept Maxim Integrated Products, Inc., max2406eept Datasheet

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max2406eept

Manufacturer Part Number
max2406eept
Description
Max2406 Low-cost Downconverter With Low-noise Amplifier
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX2406EEPT.pdf (8 pages)
________________General Description
The MAX2406 low-noise amplifier (LNA)/downconverter
mixer is designed for use over a wide range of frequen-
cies and is optimized for communications systems
operating at a frequency of 1.9GHz. Applications
include PWT1900/DCT1900, DCS1800/PCS1900, PHS,
and DECT. This device includes an LNA, a downcon-
verter mixer, and a local-oscillator (LO) buffer in a low-
cost, plastic surface-mount package. At 1.9GHz, the
LNA has 2.5dB typical noise figure and a -9.5dBm input
third-order intercept point (IP3). The downconverter
mixer has a low 9.1dB noise figure and a 4.5dBm input
IP3. Image and LO filtering are implemented off-chip for
maximum flexibility.
The MAX2406 has a differential IF port that can be used
in a single-ended configuration by tying the unused
side to V
or in a single-ended configuration with only -10dBm of
LO power. Power consumption is 60mW in receive
mode, and typically drops to less than 1µW in shut-
down mode.
For transceiver applications, the MAX2410 or
MAX2411A both offer a transmitter along with a similar
receiver.
________________________Applications
Typical Application Functional Diagram appears at end of
data sheet.
19-1303; Rev 0; 10/97
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
________________Functional Diagram
LNAIN
RXEN
PWT1900/DCT1900
DCS1800/PCS1900
PHS/PACS
DECT
CC
. The LO buffer can be driven differentially
________________________________________________________________ Maxim Integrated Products
LNAOUT
MANAGEMENT
MAX2406
POWER
RXMXIN
LO
LO
IF
IF
Low-Cost Downconverter
with Low-Noise Amplifier
____________________________Features
______________Ordering Information
MAX2406EEP
__________________Pin Configuration
TOP VIEW
Integrated LNA/Downconverter
3.2dB Combined Receiver Noise Figure:
-12.5dBm Combined Receiver Input IP3:
LO Buffer
+2.7V to +5.5V Single-Supply Operation
60mW Power Consumption
Low-Power Shutdown Mode
2.5dB (LNA)
9.1dB (mixer)
-9.5dBm (LNA)
4.5dBm (mixer)
PART
LNAIN
RXEN
GND
GND
GND
GND
V
V
LO
LO
CC
CC
10
1
2
3
4
5
6
7
8
9
-40°C to +85°C
TEMP. RANGE
MAX2406
QSOP
20
19
18
17
16
15
14
13
12
11
GND
LNAOUT
GND
GND
RXMXIN
GND
IF
IF
GND
GND
20 QSOP
PIN-PACKAGE
1

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max2406eept Summary of contents

Page 1

Rev 0; 10/97 ________________General Description The MAX2406 low-noise amplifier (LNA)/downconverter mixer is designed for use over a wide range of frequen- cies and is optimized for communications systems operating at a frequency of 1.9GHz. Applications include PWT1900/DCT1900, DCS1800/PCS1900, PHS, ...

Page 2

Low-Cost Downconverter with Low-Noise Amplifier ABSOLUTE MAXIMUM RATINGS V to GND ................................................................-0. LNAIN Input Power ...........................................................15dBm LO, LO Input Power ..........................................................10dBm RXMXIN Input Power ........................................................10dBm RXEN Voltage to GND ................................-0. RXEN Current........................................................................5mA Stresses beyond those ...

Page 3

Operating Characteristics (MAX2406EVKIT, Rev 3.3V, RXEN = -21.5dBm -10dBm, differential IF operation, 50Ω system, T RXMXIN LO SUPPLY CURRENT vs. TEMPERATURE 3. 5.5V CC ...

Page 4

Low-Cost Downconverter with Low-Noise Amplifier ____________________________Typical Operating Characteristics (continued) (MAX2406EVKIT, Rev 3.3V, RXEN = -21.5dBm -10dBm, differential IF operation, 50Ω system, T RXMXIN LO RX MIXER INPUT IMPEDANCE vs. FREQUENCY MAX2406-10 ...

Page 5

Description PIN NAME 10, 11, 12, GND Ground. Connect to ground plane with minimal inductance. 15 Input to the LNA. At 1.9GHz, LNAIN can be easily matched to 50Ω with one external shunt 1pF ...

Page 6

Low-Cost Downconverter with Low-Noise Amplifier The LO and LO pins are internally terminated with 50Ω resistors. See the Typical Operating Characteristics for a plot of LO Port Return Loss vs. Frequency. AC couple the local-oscillator signal to these pins. If ...

Page 7

Application Functional Diagram RF BPF LNAIN LO port is internally terminated to 50Ω and provides a good match (a VSWR of approximately 1.2:1 to 2GHz, and a VSWR of approximately 2:1 to 3GHz). A properly designed PC board is ...

Page 8

Low-Cost Downconverter with Low-Noise Amplifier ________________________________________________________Package Information 8 _______________________________________________________________________________________ ...

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