MAX1473_11 Datasheet, PDF (14/15 Pages) Maxim Integrated Products – 315MHz/433MHz ASK Superheterodyne Receiver with Extended Dynamic Range

315MHz/433MHz ASK Superheterodyne
Receiver with Extended Dynamic Range
Functional Diagram
LNASRC AGCDIS LNAOUT MIXIN1 MIXIN2
4
15
6
8
9
IRSEL
11
MIXOUT
12
IFIN1 IFIN2
17 18
LNAIN ³
AVDD ²
V_DD5 ²⁴
7
AVDD
DVDD ¹⁴
DGND ¹³
AGND5,10
AUTOMATIC
LNA
GAIN
CONTROL
3.2V REG
DIVIDE
BY 64
VCO
PHASE
DETECTOR
LOOP
FILTER
÷1
÷2
16
XTALSEL
CRYSTAL
DRIVER
1 28
XTAL1 XTAL2
0˚
Q
IMAGE
REJECTION
∑
90˚
I
MAX1473
IF LIMITING
AMPS
RSSI
DATA
FILTER
R_DF2
100kΩ
R_DF1
100kΩ
POWER
DOWN
DATA
SLICER
27
25
PWRDN DATAOUT
20 23 19
DSN DSP DFO
26
21
PDOUT OPP
22
DFFB
Package Information
For the latest package outline information and land patterns (footprints), go to www.maxim-ic.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 per-
tains to the package regardless of RoHS status.
PACKAGE TYPE
PACKAGE CODE
OUTLINE NO.
LAND
PATTERN NO.
28 TSSOP
U28+1
21-0066
90-0171
32 Thin QFN-EP
T3255+3
21-0140
90-0001
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