Low-Cost, 308MHz, 315MHz, and 433.92MHz
FSK Transceiver with Fractional-N PLL
Typical Application Circuit
AGC0
AGC1
Y1
V DD
AUTOCAL
3.0V
V DD
C18
C19
C23
V DD
C21
32
31
C20
30
29
28
27
26
25
C24
C22
1
2
PAVDD
ROUT
DATA
ENABLE
24
23
DATA
ENABLE
C2
C1
R3*
L1
3
4
TX/RX1
TX/RX2
MAX7031
T/R
RSSI
22
21
TRANSMIT/
RECEIVE
L2
C3
V DD
5
PAOUT
DF
20
C4
C5
C7
C6
6
AVDD
EXPOSED
PAD
OP+
19
C17
C16
C8
L3
L6
L4
7
8
LNAIN
LNASRC
DS+
DS-
18
17
9
10
C10
11
C12
12
13
C13
14
15
16
R1
C9
V DD
C15
L5
C11
IN
GND
Y2
OUT
C14
R2
*OPTIONAL POWER-ADJUST RESISTOR
Selector Guide
PART
CARRIER FSK DEVIATION
FREQUENCY (MHz) FREQUENCY (kHz)
MAX7031LATJ+ ?
MAX7031MATJ15+
MAX7031MATJ50+
MAX7031HATJ17+
MAX7031HATJ51+
308
315
315
433.92
433.92
±51.413
±15.477
±49.528
±17.221
±51.663
+Denotes a lead(Pb)-free/RoHS-compliant package.
? Contact factory for availability.
16
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相关PDF资料
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相关代理商/技术参数
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