XE1203F データシートの表示（PDF） - Semtech Corporation
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XE1203F Datasheet PDF : 36 Pages
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XE1203F
3 ELECTRICAL CHARACTERISTICS
3.1 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 SPECIFICATIONS
3.2.1 Operating Range
Symbol
Description
VDD
Supply voltage
T
Temperature
CLop
Load capacitance on digital ports
Min.
Max.
Unit
2.4
3.6
V
-40
85
°C
-
25
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-l evel FSK without pre-filtering, carrier frequency fc = 915 MHz,
frequency deviation ∆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 50Ω,
environment as defined in Section 6, unless otherwise specified.
Symbol
IDDSL
IDDST
IDDR
IDDT
RFS
RFSB
FDA
CCR
Description
Conditions
Supply current in sleep mode
Supply current in standby mode
Supply current in receiver mode
Supply current in transmitter mode
(with optimum load-matching)
Quartz oscillator (39 MHz)
enabled
RFOP = 5 dBm
RFOP = 15 dBm
RF sensitivity
RF sensitivity with Barker
Coding/decoding enabled
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)
∆f = 200 kHz,
BBW = 600 kHz
BR = 152.3 kbit/s Mode A (*1)
BR = 152.3 kbit/s Mode B (*1)
BR = 1154 bit/s Mode A (*1)
BR = 1154 bit/s Mode B(*1)
Frequency deviation
Programmable
Co-channel rejection
Min Typ Max Unit
-
0.2
1
uA
-
0.85 1.10
mA
-
14
17
mA
-
33
40
mA
-
62
75
mA
-
-114 -111
dBm
-
-101 -98
dBm
-
-109 -106
dBm
-
-96 -93
dBm
-
-101 -98
dBm
-
-89 -86
dBm
-
-113 -110
dBm
-
-100 -97
dBm
1
-
255
kHz
-13
-10
-
dBc
© Semtech 2007
www.semtech.com
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