ATA5428-PLQW80 Atmel, ATA5428-PLQW80 Datasheet - Page 6
![RF Transceiver ASK/FSK Transceiver 434 and 868MHz](/photos/30/99/309912/qfn-48_sml.jpg)
ATA5428-PLQW80
Manufacturer Part Number
ATA5428-PLQW80
Description
RF Transceiver ASK/FSK Transceiver 434 and 868MHz
Manufacturer
Atmel
Datasheet
1.ATAB5428-8-WB.pdf
(100 pages)
Specifications of ATA5428-PLQW80
Wireless Frequency
226 KHz, 237 KHz
Interface Type
4-Wire SPI
Noise Figure
7 dB
Output Power
10 dBm
Operating Supply Voltage
2.4 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
QFN-48
Maximum Data Rate
20 Kbps
Minimum Operating Temperature
- 40 C
Modulation
ASK, FSK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Figure 1-3.
6
SDO_TMDO
DEM_OUT
SDI_TMDI
433_N868
N_RESET
RF_OUT
RX_TX1
RX_TX2
ATA5423/ATA5425/ATA5428/ATA5429
R_PWR
PWR_H
RF_IN
CDEM
XTAL1
XTAL2
RSSI
SCK
CLK
IRQ
CS
Block Diagram
Microcontroller
Table 1-1.
LNA
interface
RX/TX
VSINT
switch
PA
Pin
42
43
44
45
46
47
48
RF transceiver
AVCC
Demodulator,
Fractional-N
Data Slicer)
synthesizer
IF-amplifier
Processing
frequency
RX_ACTIVE
FSK/ASK
Data filter
IF-filter
Signal
(Mixer
Pin Description (Continued)
Symbol
GND
NC
NC
T4
T3
T2
T1
Frontend Enable
PA_Enable (ASK)
TX_DATA (FSK)
RX/TX
FREQ
FREF
Demod_Out
Function
Key input 4 (can also be used to switch on the system (active low))
Key input 3 (can also be used to switch on the system (active low))
Key input 2 (can also be used to switch on the system (active low))
Key input 1 (can also be used to switch on the system (active low))
Indicates RX operation mode
Not connected
Not connected
Ground/backplane
RX_ACTIVE
GND
13
Digital Control Logic
TX/RX - Data buffer
XTO
Control register
SPI
Status register
Bit-check logic
Polling circuit
DVCC
Reset
Regulators
Switches
Wake-up
Supply
Power
Reset
4841D–WIRE–10/07
VS2
VS1
VAUX
VSOUT
PWR_ON
T1
T2
T3
T4
T5
TEST1
TEST2
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