SX1223I073TRT 데이터 시트보기 (PDF) - Semtech Corporation
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SX1223I073TRT Datasheet PDF : 25 Pages
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SX1223
Symbol
Description
Conditions
Min Typ Max Unit
HRFOP
Highest RF output power Highest programmable output 8
10
-
dBm
power
SRFOP
RF output power steps
RF output power step size
-
3
-
dB
(8 steps available)
XTAL
Crystal oscillator frequency Recommended value: 16 MHz -
-
40
MHz
TS_OS
Oscillator wake-up time
From sleep mode
-
0.8
2
ms
TS_OS_QS Oscillator wake-up time in
quick start-up mode
Quick start-up mode
IDDST_QS_typ=0.9mA
(XCO_quick_start,
XCO_high_I = 10)
- 0.15
-
ms
TS_FS
Frequency synthesizer
From standby mode (oscillator -
-
2
ms
wake-up time
running)
frequency at most 5 kHz away
from the target
TS_TR
Transmitter wake-up time From FS mode (frequency
synthesizer running)
-
-
500
µs
TD_TX
Transmission duration in Duration during which the
30
-
-
ms
mw2 mode
output signal is a proper FSK
signal and the carrier
frequency doesn’t drift by
more than 50 kHz from the
time when the transmitter has
reached its steady-state
(including PA)
TD_TXW
Transmission duration in
Same conditions as TD_TX,
15
-
-
ms
mw2 mode
but over the whole
temperature range
ACP
Power transmitted in the
At 10 dBm output power,
-
-16
150 kHz adjacent channel modulated signal
Measured on a 150 kHz
bandwidth centered at 150
kHz from the carrier, ∆f = 40
kHz
dBm
ACP_mw3 Power transmitted in the
At 10 dBm output power,
-
-23 -17
dBm
250 kHz adjacent channel modulated signal
in mw3 modulation mode Measured on a 250 kHz
bandwidth centered at 250
kHz from the carrier, ∆f = 60
kHz
PHN
Phase noise of the output At 10 dBm output power,
-
signal
unmodulated signal
Measured at 50 kHz from the
carrier in mw3 mode
-83 -80 dBc/Hz
CLKOUT
Output clock
On pin CLKOUT
-
1
-
MHz
VIH
Digital input level high
% VDD
75
-
-
%
VIL
Digital input level low
% VDD
-
-
25
%
© Semtech 2007
www.semtech.com
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