IC RCVR UHF ASK 433MHZ 20SSOP

ATA5744N-TKSY

Manufacturer Part NumberATA5744N-TKSY
DescriptionIC RCVR UHF ASK 433MHZ 20SSOP
ManufacturerAtmel
ATA5744N-TKSY datasheet
 

Specifications of ATA5744N-TKSY

Frequency300MHz ~ 450MHzSensitivity-112dBm
Data Rate - Maximum10 kBaudModulation Or ProtocolASK, FSK
ApplicationsRKE, Telemetering, Security TechnologyCurrent - Receiving7.1mA
Data InterfacePCB, Surface MountAntenna ConnectorPCB, Surface Mount
FeaturesRSSI EquippedVoltage - Supply4.5 V ~ 5.5 V
Operating Temperature-40°C ~ 105°CPackage / Case20-SOIC (0.200", 5.30mm Width)
Lead Free Status / RoHS StatusLead free / RoHS CompliantMemory Size-
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Figure 3-2
using a SAW.
input matching networks shown in
parameters given in the electrical characteristics.
Table 3-1.
Calculation of LO and IF Frequency
Conditions
f
= 315 MHz, MODE = 0
RF
f
= 433.92 MHz, MODE = 1
RF
300 MHz < f
< 365 MHz, MODE = 0
RF
365 MHz < f
< 450 MHz, MODE = 1
RF
Figure 3-2.
Input Matching Network with SAW Filter
L
C3
25n
22p
f
= 433.92 MHz
RF
L2
TOKO LL2012
RF
IN
F33NJ
1
IN
33n
2
IN_GND
C2
8.2p
4893A–RKE–11/05
shows a typical input matching network for f
Figure 3-3 on page 6
illustrates the input matching to 50 without a SAW. The
Figure 3-3 on page 6
Local Oscillator Frequency
f
= 314 MHz
LO
f
= 432.92 MHz
LO
f
RF
f
=
-------------------
LO
1
1
+
--------- -
314
f
RF
f
=
--------------------------- -
LO
1
1
+
----------------- -
432.92
ATA5744
8
LNAGND
9
LNA_IN
C16
C17
8.2p
100p
L3
TOKO LL2012
f
= 315 MHz
27n
RF
F27NJ
RF
IN
5
B3555
OUT
6
C2
OUT_GND
CASE_GND
10p
3, 4 7, 8
ATA5744
= 315 MHz and f
= 433.92 MHz
RF
RF
are the reference networks for the
Intermediate Frequency
f
= 1 MHz
IF
f
= 1 MHz
IF
f
LO
f
=
--------- -
IF
314
f
LO
f
=
----------------- -
IF
432.92
ATA5744
8
LNAGND
9
L
C3
LNA_IN
25n
47p
C16
C17
22p
100p
L3
TOKO LL2012
47n
F47NJ
L2
TOKO LL2012
F82NJ
B3551
1
OUT
IN
82n
2
IN_GND
OUT_GND
CASE_GND
3, 4 7, 8
5
6
5