SX1212IWLTRT Semtech, SX1212IWLTRT Datasheet - Page 12

• 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

3. Architecture Description
This section describes in depth the architecture of this ultra low-power transceiver:
To provide stable sensitivity and linearity characteristics over a wide supply range, the SX1212 is internally
regulated. This internal regulated power supply structure is described below:
Rev 2 – June 18th, 2009
ADVANCED COMMUNICATIONS & SENSING
XTAL_M
XTAL_P
VR_PA
3.1. Power Supply Strategy
RFIO
LNA
XO
PA
LO1 Rx
Frequency Synthesizer
Figure 3: SX1212 Detailed Block Diagram
Q
I
LO1 Tx
LO2 Rx
Q
Q
I
I
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LO
Generator
RSSI
LO2 Tx
LO2 Tx
I
I
Q
Q
I
Q
LO1 Rx
LO2 Rx
LO1 Tx
LO2 Tx
demod
OOK
demod
FSK
Waveform
generator
BitSync
Control
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IRQ_0
IRQ_1
TEST
MOSI
MISO
SCK
NSS_CONFIG
DATA
PLL_LOCK
NSS_DATA
CLKOUT
SX1212