Datasheet
MAX7032
Low-Cost, Crystal-Based, Programmable,
ASK/FSK Transceiver with Fractional-N PLL
30 ______________________________________________________________________________________
LNA
90°
0°
RSSI
IF LIMITING
AMPS
ASK
100kΩ
100kΩ
DATA FILTER
7
8
9 10 11 12
14
13
FSK
DEMODULATOR
FSK
20
19
RX
DATA
18
15
16
17
30
28
29
24
21
23
22
SERIAL
INTERFACE AND
DIGITAL LOGIC
31
32
CRYSTAL
OSCILLATOR
1/K
25
27
3.0V
REGULATOR
6
26
PA
MAX7032
5
12
RX VCO
RX
FREQUENCY
DIVIDER
PHASE
DETECTOR
CHARGE
PUMP
LOOP FILTER
TX
FREQUENCY
DIVIDER
ΔΣ
MODULATOR
Σ
I
Q
TX VCO
EXPOSED
PAD
LNAIN
LNASRC
TX/RX1 TX/RX2
XTAL1
XTAL2
CLKOUT
HVIN
AVDD
ROUT PAVDD PAOUT T/R DVDD ENABLE
DATA
DIO
CS
SCLK
DS-
PDMAX
PDMIN
DS+
RSSI
OP+
DF
IFIN+ IFIN-MIXOUT
MIXIN-MIXIN+LNAOUT
3
4
Functional Diagram