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PDF XE1202 Data sheet ( Hoja de datos )
| Número de pieza | XE1202 | |
| Descripción | integrated UHF transceiver | |
| Fabricantes | Xemics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XE1202 (archivo pdf) en la parte inferior de esta página. Total 26 Páginas | ||
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Data Sheet
XE1202
www.DataSheet4U.com
RFA
RFB
RFOUT
IAmp
QAmp
LNA
LO
Buff.
PA
I AMP
BPF
Q AMP
BPF
AMP
Limiter
AMP
Limiter
FSK
Demod.
Bit
Sync.
Phase
Shifter
Prog.
divider
VCO
PFD
RSSI
FEI
modulator
/n Synthesizer
Oscillator
/n
Clock Out
Pattern
Recognition
Control
Logic
POR
I Ref
SCAN
DCLK
DATAOUT
PATTERN
MODE 0
MODE 1
MODE 2
SI
SO
SCK
EN
DATAIN
XE1202
433MHz / 868MHz / 915MHz
Low-power, integrated UHF transceiver
GENERAL DESCRIPTION
The XE1202 is a single chip transceiver operating in
the 433, 868 and 915MHz license free ISM (Industry
Scientific and Medical) frequency bands. Its highly
integrated architecture allows for minimum external
components while maintaining design flexibility. All
major RF communication parameters are
programmable and most of them can be dynamically
set. The XE1202 offers the unique advantage of
narrow-band and wide-band communication, this
without the need to modify the number or parameters
of the external components. The XE1202 is optimized
for low power consumption while offering high RF
output power and channelized operation suited for both
the European (ETSI-300-220) and the North American
(FCC part 15) regulatory standards
APPLICATIONS
• Narrow-band and wide-band security systems
• Voice and data over an RF link
• Process and building control
• Access control
• Home automation
• Home appliances interconnection
KEY PRODUCT FEATURES
• Programmable RF output power: up to +15dBm
• High reception sensitivity: down to –113dBm
• Low power consumption: RX=14mA; TX = 48mA
@15 dBm output power
• Supply voltage down to 2.7V
• Wide band operation: 400kHz channels for data
rates of up to 76.8kbps, NRZ coding
• Narrow band operation: down to 25kHz channels
for data rates of 4.8kbps, NRZ coding
• On-chip frequency synthesizer with steps of 500Hz
• Continuous phase 2-level FSK modulation
• Incoming data pattern recognition
• Built-in Bit-Synchronizer for incoming data and
clock synchronization and recovery
• RSSI (Received Signal Strength Indicator) and FEI
(Frequency Error Indicator)
ORDERING INFORMATION
Part number Temperature range
XE1202I027
-40°C to +85°
Package
LQFP44
Cool Solutions for Wireless Connectivity
1 page  
Data Sheet
XE1202
3 wwEwl.DeactatSrhiecet4aUl.cComharacteristics
3.1 Absolute Maximum Operating Ranges
Stresses above those values listed below may cause permanent device failure. Exposure to absolute maximum
ratings for extended periods may affect device reliability.
Symbol
VDDmr
Tmr
Description
Supply voltage
Storage temperature
Min.
-0.5
-55
Max.
3.9
125
Unit
V
°C
3.2 Specifications
3.2.1 Operating Range
Symbol
VDDop
TRop
CLop
Description
Supply voltage
Temperature
Load capacitance on digital ports
Min.
2.7
-40
-
Max.
3.6
85
25
Unit
V
°C
pF
3.2.2 Electrical Specifications
The table below gives the electrical specifications of the transceiver under the following conditions:
Supply Voltage = 3.3 V, temperature = 25 °C, 2-level FSK without pre-filtering, fc = 915 MHz, ∆f = 5 kHz,
Bit rate = 4.8 kb/s, BWSSB = 10 kHz, BER = 1 % (at the output of the bit synchronizer), matched impedances,
environment as defined in section 6, unless otherwise specified.
Symbol
IDDSL
IDDST
IDDR
IDDT
RFS
FDA
CCR
IIP3
Description
Supply current in sleep mode
Supply current in standby
mode
Supply current in receiver
mode
Supply current in transmitter
mode
RF sensitivity
Frequency deviation
Conditions
Quartz oscillator (39 MHz)
running
RFOP = 5 dBm
RFOP = 15 dBm
3.2.2.1 A-mode
3.2.2.2 B-mode
Programmable
Co-channel rejection
Input intercept point (from
LNA input to base-band filter
output)
funw = fLO + 50 kHz and
fLO + 95 kHz
A-mode
B-mode
Min
-
-
-
-
-
-
-
-
-
-
-
-13
-43
-28
Typ
0.2
0.85
14
33
48
-113
-102
5
10
20
40
100
-10
-40
-25
Max Unit
1 µA
1.10 mA
16.5 mA
40
59
-110
-99
-
-
-
-
-
-
mA
mA
dBm
dBm
kHz
kHz
kHz
kHz
kHz
dBc
- dBm
dBm
5 D0211-105
5 Page 
www.DataSheet4U.com
RTParam_FEI
en
Dfefdmeomdoudla_toeudt
data
datain
counter_out
DataOut_FEI
Data Sheet
XE1202
BIT B0 BIT B0+1 BIT B0+2 BIT B0+3 BIT B0+4
0
X
TS_FE
N
N
Figure 3 Time diagram of an FEI measurement when “RTParam_Fsel” = 0
(the number of transitions on “counter_out” is for illustration only)
4.1.5 Transmitter
The output power of the power amplifier is programmable on four values with the register “RTParam_Tpow” (see
the Configuration register section below), as shown in the table below, where RFOPi are given in Electrical
Specifications section
RTParam_Tpow
00
01
10
11
Output power
RFOP10
RFOP1
RFOP20
RFOP2
The type of modulation of the LO frequency by the modulating bit stream is programmable through
RTParam_Filter:
- the input bit stream is directly applied to the frequency synthesizer without any pre-filtering
(RTParam_Filter=0)
- the input bit stream is pre-filtered before being applied to the frequency synthesizer; with this filtering, each
edge of the bit stream is linearly smoothed with a staircase transition (RTParam_Filter=1)
This is illustrated on the next page where DATAIN is the input bit stream to be transmitted.
11 D0211-105
11 Page | ||
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