Datasheet
MAX2121
Complete Direct-Conversion L-Band Tuner
18
TUNEVCO
GNDSYN
CPOUT
V
CC_SYN
XTAL
BYPVCO
SCL
V
CC_BB
QDC-
ADDR
QDC+
IDC-
RFIN
GC1
V
CC_LO
+
IOUT+
QOUT-
V
CC_DIG
GNDTUNE
SDA
19
17
16
3
5
18
4
6
REFOUT
15
7
V
CC_RF1
IOUT-
20
2
V
CC_RF2
21
IDC+
1
26 24 23
10 12
25
11 13
22
14
27
9
28
8
MAX2121
INTERFACE LOGIC
AND CONTROL
DC OFFSET
CORRECTION
DIV2
/DIV4
EP
FREQUENCY
SYNTHESIZER
QOUT+
V
CC
V
CC
V
CC
BASEBAND
OUTPUTS
SERIAL-CLOCK
INPUT
SERIAL-DATA
INPUT/OUTPUT
V
CC
V
GC
V
CC
V
CC
GND
V
CC_VCO
RF INPUT
V
CC
Typical Application Circuit
Chip Information
PROCESS: BiCMOS
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.
28 TQFN-EP T2855+3
21-0140 90-0023










