ATA5423 ATMEL Corporation, ATA5423 Datasheet - Page 9
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ATA5423
Manufacturer Part Number
ATA5423
Description
Manufacturer
ATMEL Corporation
Datasheet
1.ATA5423.pdf
(97 pages)
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2.3
Figure 2-3.
4841A–RKE–02/05
Typical Remote Control Unit Application, 2 Batteries
Loop antenna
Typical Remote Control Unit Application, 433.92 MHz, 2 Batteries
C10
AVCC
L2
Figure 2-3
components are 11 capacitors, 1 resistor, 2 inductors and a crystal. C
supply blocking capacitors. C
age regulators. C
internal quasi–peak detector and for the high–pass frequency of the data filter. C
matching capacitors in the range of 1 pF to 33 pF. L
56 nH. L
grated. R
L1
C5
C11
C8
C9
2
R1
1
is a feed inductor of about 120 nH. A load capacitor for the crystal of 9 pF is inte-
is typically 22 k and sets the output power to about 5.5 dBm.
shows a typical 433.92 MHz 2–battery Remote Control Unit application. The external
C7
RF_IN
433_N868
R_PWR
PWR_H
NC
NC
NC
NC
RF_OUT
NC
NC
NC
5
is a 10 nF supply blocking capacitor. C
C1
ATA5423/ATA5425/
ATA5428/ATA5429
2
+
+
and C
C2
Litihum-
Litihum-
Cell
Cell
ATA5423/25/28/29 [Preliminary]
3
are 2.2 µF supply blocking capacitors for the internal volt-
C4
SDO_TMDO
DEM_OUT
SDI_TMDI
N_RESET
CDEM
VSINT
RSSI
SCK
CLK
IRQ
NC
CS
C6
XTAL2
1
is a matching inductor of about 5.6 nH to
6
is a 15 nF fixed capacitor used for the
13.25311 MHz
C3
VCC
Sensor
µC
1
VSS
and C
4
are 68 nF voltage
7
to C
11
are RF
9
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