ATA5429-PLUW Atmel, ATA5429-PLUW Datasheet - Page 8
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ATA5429-PLUW
Manufacturer Part Number
ATA5429-PLUW
Description
Manufacturer
Atmel
Datasheet
1.ATA5429-PLUW.pdf
(100 pages)
Specifications of ATA5429-PLUW
Operating Temperature (min)
-40C
Operating Temperature (max)
85C
Operating Temperature Classification
Industrial
Product Depth (mm)
7mm
Product Height (mm)
0.9mm
Product Length (mm)
7mm
Lead Free Status / Rohs Status
Compliant
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2.2
Figure 2-2.
8
Typical Base-station Application (5V)
ATA5423/ATA5425/ATA5428/ATA5429
connector
RF
50
L
Typical Base-station Application (5V), 433.92 MHz
4
OUT
AVCC
C
L
11
2
SAW-Filter
C
10
C
L
Figure 2.2
external components are 12 capacitors, 1 resistor, 4 inductors, a SAW filter, and a crystal. C
and C
ing capacitors for the internal voltage regulators. C
15 nF fixed capacitor used for the internal quasi-peak detector and for the high-pass frequency
of the data filter. C
matching inductors of about 5.6 nH to 56 nH. A load capacitor for the crystal of 9 pF is inte-
grated. R
quarter wave or PCB antenna, which has high efficiency and wide band operation, is typically
used here, it is recommended to use a SAW filter to achieve high sensitivity in case of powerful
out-of-band blockers. L
the harmonics in the transmitted signal to meet regulations. An internally regulated voltage at pin
VSOUT can be used in case the microcontroller only supports 3.3V operation, a blocking capac-
itor with a value of C
5
1
R
L
1
3
3
to C
C
C
1
8
9
shows a typical 433.92 MHz V
is typically 22 k and sets the output power at RF_OUT to about 10 dBm Since a
4
are 68 nF voltage supply blocking capacitors. C
C
7
NC
NC
NC
RF_IN
NC
433_N868
NC
R_PWR
PWR_H
RF_OUT
NC
NC
7
to C
12
ATA5423/ATA5425
ATA5428/ATA5429
= 2.2 µF has to be connected to VSOUT in any case.
1
11
, C
C
1
are RF matching capacitors in the range of 1 pF to 33 pF. L
9
and C
C
V CC = 4.75V to 5.25V
2
10
C
together form a low-pass filter, which is needed to filter out
4
SDO_TMDO
C
DEM_OUT
CC
SDI_TMDI
12
N_RESET
CDEM
VSINT
= 4.75V to 5.25V Base-station Application (5V). The
RSSI
SCK
CLK
IRQ
CS
NC
C
13.25311 MHz
6
5
XTAL2
is a 10 nF supply blocking capacitor. C
C
3
2
and C
VCC
48/88/168
ATmega
Sensor
12
VSS
are 2.2 µF supply block-
4841D–WIRE–10/07
2
to L
6
4
is a
are
1
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