参数资料
型号: SX1212IWLTRT
厂商: Semtech
文件页数: 67/77页
文件大小: 0K
描述: IC TXRX 300MHZ-510MHZ 32-TQFN
标准包装: 1
频率: 300MHz ~ 510MHz
数据传输率 - 最大: 150kbps
调制或协议: FSK,OOK
应用: AMR,ISM,家庭自动化,程序控制
功率 - 输出: 12.5dBm
灵敏度: -110dBm
电源电压: 2.1 V ~ 3.6 V
电流 - 接收: 3mA
电流 - 传输: 25mA
数据接口: PCB,表面贴装
天线连接器: PCB,表面贴装
工作温度: -40°C ~ 85°C
封装/外壳: 32-TQFN
包装: 标准包装
产品目录页面: 584 (CN2011-ZH PDF)
其它名称: SX1212IWLDKR
SX1212
ADVANCED COMMUNICATIONS & SENSING
7.3.1. Optimized Receive Cycle
The lowest-power Rx cycle is the following:
SX1212
IDD
IDDR
3.0mA typ.
IDDFS
1.3mA typ.
IDDST
65uA typ.
IDDSL
100nA typ.
Rx
time
SX1212 can be put in
Time
Any other mode
Wait
TS RE
Receiver is ready :
-RSSI sampling is valid after a 1/Fdev period
-Received data is valid
Wait
TS FS
Set SX1212 in Rx mode
Wait for Receiver settling
Wait
TS OS
Set SX1212 in FS mode
Wait for PLL settling
Set SX1212 in Standby mode
Wait for XO settling
Figure 49: Optimized Rx Cycle
Note: If the lock detect indicator is available on an external interrupt pin of the companion uC, it can be used to
optimize TS_FS, without having to wait the maximum specified TS_FS.
Rev 2 – June 18th, 2009
Page 67 of 77
www.semtech.com
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