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参数资料
| 型号： | SX1223SK433 |
| 厂商： | Semtech |
| 文件页数： | 5/25页 |
| 文件大小： | 0K |
| 描述： | KIT STARTER FOR XE1223 433MHZ |
| 产品培训模块： | SX1223 ISM Transmitter |
| 标准包装： | 1 |
| 类型： | 发射器，UHF |
| 频率： | 433MHz |
| 适用于相关产品： | XE1223（433MHz） |
| 已供物品： | 2 个板，2 个模块，2 根天线，线缆，文档 |
| 产品目录页面： | 584 (CN2011-ZH PDF) |
SX1223
3
ELECTRICAL CHARACTERISTICS
3.1 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
Tmax
Description
Supply voltage
Storage temperature
Min.
-0.4
-55
Max.
3.9
125
Unit
V
°C
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.
2.0
-40
-
Max.
3.6
85
25
Unit
V
°C
pF
(*) Divided in two ranges:
- (sv1) high range, 2.2 V – 3.6 V, using on-chip regulators,
- (sv2) low range, 2.0 V – 2.5 V, without using the regulators.
3.2.2
Electrical Specifications
The table below gives the electrical specifications of the transmitter under the following conditions:
Supply Voltage = 3.3 V, temperature = 25 °C, 2-leve l FSK, fc = 915 MHz, Output power = 10 dBm, Bit rate = 38.4
kb/s, ? f = 100 kHz, XTAL = 16 MHz, modulation by pulling the VCO in open loop (mw2), and conditions as defined
in section 6, unless otherwise specified.
Symbol
IDDSL
Description
Supply current in sleep
Conditions
Min
-
Typ
0.3
Max
1
Unit
μA
mode
IDDST
Supply current in standby
Crystal oscillator running,
-
0.2
0.3
mA
mode
CLKOUT off
IDDFS
Supply current in FS mode
Frequency synthesizer
-
5
6
mA
running
IDDT
FR
Supply current during
transmission
Frequency range
10 dBm
0dBm
-
-
425
25.8
14
-
-
-
475
mA
mA
MHz
850
-
950
MHz
FDA
FDA_L
? FDA
BR
BR_3
SPICLK
Frequency deviation
Frequency deviation
Variation of frequency
deviation
Bit rate
Bit rate for mw3 mode
SPI clock frequency (SCK)
For FR from 850 to 950 MHz
For FR from 425 to 475 MHz
Modulation modes mw1 mw2
Modulation mode mw3
SCK duty cycle 50% +/-10%
5
5
- 15
1.2
1.2
-
-
-
-
-
255
200
+ 15
153.6
19.2
1
kHz
kHz
%
kbit/s
kbit/s
MHz
? Semtech 2007
5
www.semtech.com
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