MAX2406 Datasheet, PDF (1/8 Pages) Maxim Integrated Products – Low-Cost Downconverter with Low-Noise Amplifier

19-1303; Rev 0; 10/97
EVAALVUAAILTAIOBNLEKIT
Low-Cost Downconverter
with Low-Noise Amplifier
________________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_CC. The LO buffer can be driven differentially
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
PWT1900/DCT1900
DCS1800/PCS1900
PHS/PACS
DECT
________________Functional Diagram
LNAOUT RXMXIN
IF
LNAIN
IF
MAX2406
RXEN
POWER
MANAGEMENT
LO LO
____________________________Features
o Integrated LNA/Downconverter
o 3.2dB Combined Receiver Noise Figure:
2.5dB (LNA)
9.1dB (mixer)
o -12.5dBm Combined Receiver Input IP3:
-9.5dBm (LNA)
4.5dBm (mixer)
o LO Buffer
o +2.7V to +5.5V Single-Supply Operation
o 60mW Power Consumption
o Low-Power Shutdown Mode
______________Ordering Information
PART
MAX2406EEP
TEMP. RANGE
-40°C to +85°C
PIN-PACKAGE
20 QSOP
__________________Pin Configuration
TOP VIEW
GND 1
LNAIN 2
GND 3
GND 4
V_CC 5
RXEN 6
LO 7
LO 8
V_CC 9
GND 10
MAX2406
20 GND
19 LNAOUT
18 GND
17 GND
16 RXMXIN
15 GND
14 IF
13 IF
12 GND
11 GND
Typical Application Functional Diagram appears at end of
data sheet.
QSOP
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