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PDF AX5051-510 Data sheet ( Hoja de datos )
| Número de pieza | AX5051-510 | |
| Descripción | 470-510 MHz ASK/FSK/PSK Transceiver | |
| Fabricantes | AXSEM | |
| Logotipo |  |
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DATASHEET
AX5051-510
470-510 MHz ASK/FSK/PSK
Transceiver
Datasheet extension for AX5051
Version 1.13-510
1 page  
2. Block Diagram
Block Diagram 5
ANTP 4
Mixer
IF Filter &
LN AGC PGAs
AX5051
ADC
Digital IF
channel
filter
De-
modulator
ANTN 5
RSS
AGC
PA
FOUT
Modulator
Crystal
Oscillator
typ.
16 MHz
FXTAL RF Frequency
Generation
Subsystem
Chip configuration
Communication Controller &
Serial Interface
Divider
Voltage
Regulator
POR
27 28
13
24 20
14 15 16 17
19
12
Figure 1 Functional block diagram of the AX5051
Version 1.13-510
Datasheet AX5051-510
5 Page 
Specifications 11
4.3. AC Characteristics
Crystal Oscillator
SYMBOL
DESCRIPTION
CONDITION
MIN. TYP.
MAX.
UNIT
fXTAL
gmosc
Cosc
Cosc-lsb
fext
RINosc
Crystal frequency
Transconductance oscillator
Programmable tuning
capacitors
at pins CLK16N and CLK16P
Programmable tuning
capacitors, increment per LSB
of XTALCAP
External clock input
Input DC impedance
Note 1, 3
XTALOSCGM=0000
XTALOSCGM=0001
XTALOSCGM =0010
default
XTALOSCGM =0011
XTALOSCGM =0100
XTALOSCGM =0101
XTALOSCGM =0110
XTALOSCGM =0111
XTALOSCGM =1000
XTALOSCGM =1001
XTALOSCGM =1010
XTALOSCGM =1011
XTALOSCGM =1100
XTALOSCGM =1101
XTALOSCGM =1110
XTALOSCGM =1111
XTALCAP = 000000
default
XTALCAP = 111111
Note 2, 3
15.5
15.5
10
16
1
2
3
4
5
6
6.5
7
7.5
8
8.5
9
9.5
10
10.5
11
2
33
0.5
16
25
25
MHz
mS
pF
pF
pF
MHz
kΩ
Notes
1. Tolerances and start-up times depend on the crystal used. Depending on the RF frequency and channel spacing the IC must be calibrated
to the exact crystal frequency using the readings of the register TRKFREQ
2. If an external clock is used, it should be input via an AC coupling at pin CLK16P with the oscillator powered up and XTALCAP=000000
3. Lower frequencies than 15.5 MHz or higher frequencies than 25 MHz can be used. However not all typical RF frequencies can than be
generated
Version 1.13-510
Datasheet AX5051-510
11 Page | ||
| Páginas | Total 17 Páginas | |
| PDF Descargar | [ Datasheet AX5051-510.PDF ] | |
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