SX1211I084TRT Semtech, SX1211I084TRT Datasheet - Page 78

• Manufacturer Part Number: SX1211I084TRT
• Description: IC SNGL-CHIP TXRX 32-TQFN
• Manufacturer: Semtech

Specifications of SX1211I084TRT

• Frequency: 860 ~ 960MHz
• Data Rate - Maximum: 200kbps
• Modulation Or Protocol: FSK, OOK
• Applications: AMR, ISM, Security and Access
• Power - Output: 12.5dBm
• Sensitivity: -113dBm
• 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: Compliant
• Other names: SX1211I084TRT

Notes:
Rev 7 – Sept 2
ADVANCED COMMUNICATIONS & SENSING
In FSK Mode, the default filter setting (“A3” at address $16) is kept, leading to Fc=96 kHz typ.
In OOK Mode, “F3” is set at address $16, leading to (Fc-Fo)=95 kHz typ.
The above ensures that the channel filter is wide enough, therefore characterizing the demodulator response,
and NOT the filter response.
7.6.2. Sensitivity vs. LO Drift
nd
, 2008
-25
-100
-20
-80
Figure 64: OOK Sensitivity Loss vs. LO Drift
Figure 63: FSK Sensitivity Loss vs. LO Drift
-15
-60
-10
-40
Sensitivity Loss vs. LO Drift
Sensitivity Loss vs. LO Drift
-20
-5
Page 78 of 92
LO Drift [kHz]
LO Drift [kHz]
-1.0
-1.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
0
0
20
5
40
10
60
15
80
20
100
25
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