Datasheet
MAX7042
308MHz/315MHz/418MHz/433.92MHz
Low-Power, FSK Superheterodyne Receiver
16 ______________________________________________________________________________________
Chip Information
PROCESS: CMOS
Table 3. Component Values for Typical Application Circuit
COMPONENT
VALUE FOR
315MHz RF
VALUE FOR
433.92MHz RF
DESCRIPTION
C1 0.01µF 0.01µF 5%
C2 220pF 220pF 5%
C3 220pF 220pF 5%
C4 470pF 470pF 5%
C5 0.047µF 0.047µF 10%
C6 0.1µF 0.1µF 10%
C7 100pF 100pF 10%
C8 100pF 100pF 10%
C9 1.2pF Open ±0.1pF
C10 220pF 220pF 10%
C11 100pF 100pF 10%
C12 1500pF 1500pF 10%
C13 220pF 220pF 10%
C14 100pF 100pF 10%
C15 100pF 100pF 10%
C16 0.01µF 0.01µF 10%
L1 82nH 39nH 5% or better*
L2 30nH 16nH 5% or better*
L3 3.9nH Short 5% or better*
R1 100kΩ 100kΩ 5%
X1 9.50939MHz 13.22563MHz
Crystal, 4.5pF C
LOAD
,
Crystek or Hong Kong X’tals
Y1 10.7MHz ceramic filter 10.7MHz ceramic filter Murata
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 pertains to the package regardless of RoHS status.
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE NO.
LAND
PATTERN NO.
32 TQFN-EP T3255+3
21-0140
90-0001
*Wirewound recommended.










