SX1239IMLTRT Semtech, SX1239IMLTRT Datasheet - Page 34

• Manufacturer Part Number: SX1239IMLTRT
• Description: IC, RF RECEIVER, 1.02GHz, QFN-24
• Manufacturer: Semtech

Specifications of SX1239IMLTRT

• Applications: Wireless Sensor Networks, Automated Meter Reading, Home And Building Automation
• Receiving Current: 16mA
• Data Rate: 300Kbps
• Modulation Type: FSK, OOK
• Sensitivity Dbm: -120dBm
• Rohs Compliant: Yes
• Rf Ic Case Style: QFN
• No. Of Pins: 24
• Sensitivity (dbm): -120dBm
• Supply Voltage Range: 1.8V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Lead Free Status / Rohs Status: Supplier Unconfirmed

Notes - the accuracy of the typical timings given in Table 13 will depend in the RC oscillator calibration
4.3.2. Criteria
The criteria taken for detecting a wanted signal and hence deciding to maintain the receiver on is defined by ListenCriteria
in RegListen1.
Table 14 Signal Acceptance Criteria in Listen Mode
4.3.3. End of Cycle Actions
The action taken after detection of a packet, is defined by ListenEnd in RegListen3, as described in the table below.
Table 15 End of Listen Cycle Actions
Rev 3 - Jan 2011
ADVANCED COMMUNICATIONS & SENSING
- RC oscillator calibration is required, and must be performed at power up. See section 4.3.4 for details
ListenEnd
00
01
10
mode defined by Mode. Listen mode stops and must be disabled.
resumes in Idle state. FIFO content is lost at next Rx wakeup.
Chip stays in Rx mode. Listen mode stops and must be disabled.
Chip stays in Rx mode until PayloadReady or Timeout interrupt occurs. It then goes to the
Chip stays in Rx mode until PayloadReady or Timeout interrupt occurs. Listen mode then
ListenCriteria
0
1
Input Signal Power
>= RssiThreshold
Required
Required
Page 34
Description
SyncAddressMatch
Not Required
Required
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