ATA5423-PLSW Atmel, ATA5423-PLSW Datasheet - Page 27
![IC TXRX ASK/FSK 315MHZ 48QFN](/photos/7/34/73471/48-vqfn-6_543-5130_01-4_sml.jpg)
ATA5423-PLSW
Manufacturer Part Number
ATA5423-PLSW
Description
IC TXRX ASK/FSK 315MHZ 48QFN
Manufacturer
Atmel
Specifications of ATA5423-PLSW
Frequency
315MHz
Data Rate - Maximum
20kbps
Modulation Or Protocol
ASK, FSK
Applications
Alarm, ISM, Telemetry
Power - Output
5dBm
Sensitivity
-112.5dBm
Voltage - Supply
2.4 V ~ 3.6 V or 4.4 V ~ 6.6 V
Current - Receiving
10.5mA
Current - Transmitting
10mA
Data Interface
PCB, Surface Mount
Antenna Connector
PCB, Surface Mount
Operating Temperature
-40°C ~ 85°C
Package / Case
48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Memory Size
-
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4841D–WIRE–10/07
Figure 4-2.
To find the right values used in control registers 2 and 3 (see
relationship between f
content, the frequency at pin CLK as well as the output frequency at RF_OUT in ASK mode can
be measured, then the FREQ value can be calculated according to
f
RF
is exactly the desired radio frequency.
In IDLE mode and during Sleep mode (RX_Polling)
8 pF
S1
the switches S1 and S2 are open.
XTAL1
10 pF
XTO Block Diagram
C
L1
XTO
ATA5423/ATA5425/ATA5428/ATA5429
XTAL2
and the f
C
L2
10 pF
RF
is shown in
8 pF
S2
f
XTO
Baud1
Table 4-1 on page
Amplitude
detector
Divider
Divider
Divider
Baud0
/16
/16
/3
/1
/2
/4
/8
XLim
CLK_ON
(control
register 3)
Table 7-7
CLK
Table 4-1 on page 28
28. To determine the right
f
f
DCLK
XDCLK
&
VSOUT_OK
(from power supply)
and
(to reset logic)
XTO_OK
DVCC_OK
(from power supply)
Table
7-10), the
so that
27
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