IC RCVR UHF ASK 433MHZ 20SOIC

ATA5744N-TGSY

Manufacturer Part NumberATA5744N-TGSY
DescriptionIC RCVR UHF ASK 433MHZ 20SOIC
ManufacturerAtmel
ATA5744N-TGSY datasheet
 

Specifications of ATA5744N-TGSY

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 (0.300", 7.50mm Width)
Operating Frequency (max)450000kHzOperating Temperature (min)-40C
Operating Temperature (max)105COperating Temperature ClassificationIndustrial
Operating Supply Voltage (min)4.5VOperating Supply Voltage (typ)5V
Operating Supply Voltage (max)5.5VLead Free Status / RoHS StatusLead free / RoHS Compliant
Memory Size-  
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6. Digital Signal Processing
The data from the ASK demodulator (Dem_out) is digitally processed in different ways and as a
result converted into the output signal DATA. This processing depends on the selected baudrate
range (BR_Range).
extended basic clock cycle T
edge-to-edge time period tee_sig of the DATA signal as a result is always an integral multiple of
T
.
XClk
The minimum time period between two edges of the data signal is limited to tee_sig
This implies an efficient suppression of spikes at the DATA output. At the same time it limits the
maximum frequency of edges at DATA. This eases the interrupt handling of a connected
microcontroller.
Figure 6-1.
Synchronization of the Demodulator Output
T
XClk
Dem_out
Data_out (DATA)
Figure 6-2.
Debouncing of the Demodulator Output
Dem_out
DATA
t
DATA_min
4893A–RKE–11/05
Figure 6-1 on page 11
illustrates how Dem_out is synchronized by the
. Data can change its state only after T
XClk
t
ee_sig
t
DATA_min
t
t
ee
ee
ATA5744
has elapsed. The
XClk
T
.
DATA_min
t
DATA_min
t
ee
11

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