Datasheet

MAX2870
23.5MHz to 6000MHz Fractional/
Integer-N Synthesizer/VCO
22Maxim Integrated
Typical Application Circuit
FOR BEST PERFORMANCE GENERATE
THREE SUPPLIES USING SEPARATE LDOs.
V
CC_RF
V
CC_DIG
V
CC_PLL
12345678
V
CC_DIG
REF_IN
MUX_OUT
EP
9
10
11
V
DD_SD
GND_DIG
GND_SD
RFOUT_EN
24 23 22 21 20 19 18 17
LD
TO GPIO
FROM GPIO
CLK
DATA
LE
CE
SW
V
CC_CP
CP_OUT
GND_CP
GND_PLL
GND_RF
RFOUTA_P
RFOUTA_N
RFOUTA
RFOUTB
RFOUTB_P
RFOUTB_N
V
CC_RF
V
CC_VCO
SPI
INTERFACE
V
CC_PLL
V
CC_PLL
V
CC_RF
V
CC_PLL
V
CC_RF
V
CC_DIG
V
CC_RF
V
CC_DIG
GND_VCO GND_TUNE RSET NOISE_FILT BIAS_FILT REG TUNE
12
13
14
15
16
32
31
30
29
28
27
26
25
MAX2870
FROM
GPIO