SX1212IWLTRT Semtech, SX1212IWLTRT Datasheet - Page 67

• Manufacturer Part Number: SX1212IWLTRT
• Description: IC TXRX 300MHZ-510MHZ 32-TQFN
• Manufacturer: Semtech

Specifications of SX1212IWLTRT

• Frequency: 300MHz ~ 510MHz
• Data Rate - Maximum: 150kbps
• Modulation Or Protocol: FSK, OOK
• Applications: AMR, ISM, Home Automation, Process Control
• Power - Output: 12.5dBm
• Sensitivity: -110dBm
• Voltage - Supply: 2.1 V ~ 3.6 V
• Current - Receiving: 3mA
• Current - Transmitting: 25mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFN
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Modulation Type: FSK/OOK
• Package Type: TQFN EP
• Operating Supply Voltage (min): 2.1V
• Operating Supply Voltage (typ): 2.5/3.3V
• Operating Supply Voltage (max): 3.6V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Supplier Unconfirmed
• Other names: SX1212IWLTR

The lowest-power Rx cycle is the following:
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
ADVANCED COMMUNICATIONS & SENSING
7.3.1. Optimized Receive Cycle
3.0mA typ.
1.3mA typ.
100nA typ.
65uA typ.
SX1212
IDDFS
IDDST
IDDSL
IDDR
IDD
TS OS
Set SX1212 in Standby mode
Wait for XO settling
Wait
TS FS
Wait
Figure 49: Optimized Rx Cycle
Set SX1212 in FS mode
Wait for PLL settling
TS RE
Wait
Page 67 of 77
Set SX1212 in Rx mode
Wait for Receiver settling
time
Rx
Receiver is ready :
-RSSI sampling is valid after a 1/Fdev period
-Received data is valid
SX1212 can be put in
Any other mode
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SX1212
Time