ATA5824-PLQW 80 Atmel, ATA5824-PLQW 80 Datasheet - Page 7

• Manufacturer Part Number: ATA5824-PLQW 80
• Manufacturer: Atmel

Specifications of ATA5824-PLQW 80

• Operating Temperature (min): -40C
• Operating Temperature (max): 105C
• Operating Temperature Classification: Industrial
• Product Depth (mm): 7mm
• Product Height (mm): 0.9mm
• Product Length (mm): 7mm
• Operating Supply Voltage (typ): 5V
• Lead Free Status / Rohs Status: Compliant

4. Typical Car Application for Bi-directional RKE
4829D–RKE–06/06
Figure 4-1.
Figure 4-1
components are 11 capacitors, 1 resistor, 4 inductors, a SAW filter and a crystal. C
are 68 nF voltage supply blocking capacitors. C
internal voltage regulator. C
used for the internal quasi-peak detector and for the high-pass frequency of the data filter. C
C
about 5.6 nH to 56 nH. A load capacitor for the crystal of 9 pF is integrated. R
and sets the output power at RF
which has high efficiency and wideband 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
C
signal to meet regulations.
11
9
together form a low-pass filter, which is needed to filter out the harmonics in the transmitted
are RF matching capacitors in the range of 1 pF to 33 pF. L
connector
RF
50
L
4
OUT
AVCC
shows a typical 433.92 MHz V
C
L
11
2
Typical Car Application for Bi-directional RKE with 10 dBm TX Power, 433.92
MHz
SAW-Filter
C
10
C
L
1
5
R
L
1
3
C
C
5
8
9
is a 10 nF supply blocking capacitor. C
C
OUT
7
NC
NC
NC
RF_IN
NC
433_N868
NC
R_PWR
PWR_H
RF_OUT
NC
NC
to about 10 dBm Since a quarter wave or PCB antenna,
ATA5823/ATA5824
CC
C
1
= 4.4V to 5.25V RKE car application. The external
C
V
2
CC
2
is a 2.2 µF supply blocking capacitor for the
= 4.4V to 5.25V
C
4
SDO_TMDO
SDI_TMDI
ATA5823/ATA5824
TEST3
CDEM
VSINT
POUT
RSSI
SCK
CLK
IRQ
NC
CS
13.25311 MHz
2
C
to L
6
XTAL2
6
4
is a 15 nF fixed capacitor
are matching inductors of
1
C
is typically 22 k
VCC
3
Microcontroller
1
, C
1
, C
VSS
3
and C
10
and
7
to
7
4