XE1205I074TRLF Просмотр технического описания (PDF) - Semtech Corporation
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XE1205I074TRLF
Semtech Corporation
XE1205I074TRLF Datasheet PDF : 48 Pages
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XE1205
4 ELECTRICAL CHARACTERISTICS
4.1 ABSOLUTE MAXIMUM OPERATING RANGES
Stresses above the values listed below may cause permanent device failure. Exposure to absolute maximum ratings for
extended periods may affect device reliability.
Symbol
VDDmax
Tmr
ML
Description
Supply voltage
Storage temperature
Receiver input level
Min.
-0.5
-55
Table 2: Absolute Maximum Operation Ranges
The device is ESD sensitive and should be handled with precaution.
4.2 SPECIFICATIONS
4.2.1 Operating Range
Max.
3.9
125
5
Unit
V
°C
dBm
Symbol
VDDop
Trop
Clop
Description
Supply voltage
Temperature
Load capacitance on digital ports
Table 3: Operating Range
Min.
2.4
-40
-
Max.
3.6
85
25
Unit
V
°C
pF
4.2.2 Electrical Specifications
The table below gives the electrical specifications of the transceiver under the following conditions:
Supply Voltage = 3.3V, temperature = 25 °C, 2-level FSK without pre-filtering, fc = 915 MHz, Δf = 5 kHz,
Bit rate = 4.8 kbit/s, BWSSB = 10 kHz, BER = 0.1% (at the output of the bit synchronizer), matched impedances,
environment as defined in section 8, unless otherwise specified.
Symbol Description
Conditions
Min Typ Max
Unit
IDDSL Supply current in sleep mode
-
0.2
1
uA
IDDST Supply current in standby mode
Quartz oscillator (39 MHz)
- 0.85 1.10
mA
enabled
IDDR
Supply current in receiver mode
-
14
16.5
mA
IDDT
Supply current in transmitter mode RFOP = 5 dBm
-
33
40
mA
RFOP = 15 dBm
-
62
75
mA
RFS
RF sensitivity
Mode A
Mode B
- -116 -113
- -102 -99
dBm
dBm
RFS_12
FDA
CCR
IIP3
BW
RF sensitivity at 1.2 kbit/s
Mode A
Mode B
Frequency deviation
Programmable
Co-channel rejection
Input intercept point (from LNA input funw = fLO + 1 MHz and
to base-band filter output)
fLO + 1.995 MHz
Mode A
Mode B
Base band filter bandwidth (SSB) Programmable (1)
- -121
- -107
1
-
-13 -10
-118
-104
255
-
-37 -33
-
-21 -18
-
-
10
-
-
20
-
dBm
dBm
kHz
dBc
dBm
dBm
kHz
kHz
-
40
-
kHz
- 200
-
kHz
© Semtech 2008
www.semtech.com
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