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XE1203F
3
3.1
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM OPERATING RANGES
Stresses above the values listed below in Table 1 may cause permanent device failure. Exposure to absolute
maximum ratings for extended periods may affect device reliability.
Symbol
VDDmax
ML
Tmax
Description
Supply voltage
Receiver input level
Storage temperature
Min.
-0.4
-55
Max.
3.9
-5
125
Unit
V
dBm
°C
Table 1: Absolute Maximum Ratings
The device is ESD sensitive and should be handled with precaution.
3.2
3.2.1
SPECIFICATIONS
Operating Range
Symbol
VDD
T
CLop
Description
Supply voltage
Temperature
Load capacitance on digital ports
Min.
2.4
-40
-
Max.
3.6
85
25
Unit
V
°C
pF
Table 2: Operating Range
3.2.2
Electrical Specifications
Table 3 below gives the electrical specifications of the transceiver under the following conditions:
Supply Voltage VDD = 3.3V, temperature = 25 °C, 2-level FSK without pre-filtering, carrier frequency fc = 915 MHz,
frequency deviation Δ f = 55 kHz, bit rate BR = 4.8 kbit/s, Base band filter bandwidth BBW = 200 kHz, bit error rate
BER = 0.1% (measured at the output of the bit synchronizer), LNA input and RF PA output matched to 50 Ω ,
environment as defined in Section 6, unless otherwise specified.
Symbol
IDDSL
IDDST
Description
Supply current in sleep mode
Supply current in standby mode
Conditions
Quartz oscillator (39 MHz)
Min
-
-
Typ
0.2
0.85
Max
1
1.10
Unit
uA
mA
enabled
IDDR
Supply current in receiver mode
-
14
17
mA
IDDT
RFS
Supply current in transmitter mode
(with optimum load-matching)
RF sensitivity
RFOP = 5 dBm
RFOP = 15 dBm
BR = 4.8 kbit/s Mode A (*1)
BR = 4.8 kbit/s Mode B (*1)
BR = 32.7 kbit/s Mode A (*1)
BR = 32.7 kbit/s Mode B (*1)
-
-
-
-
-
-
33
62
-114
-101
-109
-96
40
75
-111
-98
-106
-93
mA
mA
dBm
dBm
dBm
dBm
Δ f = 200 kHz,
BBW = 600 kHz
BR = 152.3 kbit/s Mode A (*1)
BR = 152.3 kbit/s Mode B (*1)
-
-
-101
-89
-98
-86
dBm
dBm
RFSB
FDA
CCR
RF sensitivity with Barker
Coding/decoding enabled
Frequency deviation
Co-channel rejection
BR = 1154 bit/s Mode A (*1)
BR = 1154 bit/s Mode B(*1)
Programmable
-
-
1
-13
-113
-100
-
-10
-110
-97
255
-
dBm
dBm
kHz
dBc
? Semtech 2008
5
www.semtech.com
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