SX1212IWLTRT Semtech, SX1212IWLTRT Datasheet - Page 64

• 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 detailed description of the TXParam register is given in Table 31.
Table 31: TXParam Register Description
Name
InterpFilt
Pout
TX_zero_if
The detailed description of the OSCParam register is given in Table 32.
Table 32: OSCParam Register Description
Name
Clkout_on
Clkout_freq
Res
Rev 2 – June 18th, 2009
ADVANCED COMMUNICATIONS & SENSING
6.6. Transmitter Parameters - TXParam
6.7. Oscillator Parameters - OSCParam
Bits
7-4
3-1
0
Bits
6-2
1-0
7
Address (d)
26
26
26
Address
(d)
27
27
27
RW
r/w
r/w
r/w
RW
r/w
r/w
r/w
Description
Clkout control
0
1
Frequency of the signal provided on CLKOUT:
(d): 01111 (= 427 kHz)
Reserved
(d): “00”
fclkout =
fclkout
Description
Tx Interpolation filter cut off frequency:
(d): “0111” => f
Tx output power (1 step ≈ 3 dB):
000
001
010
011
100
101
110
111
Set the transmitter in zero-if architecture in tx mode
0 -> normal operation (d)
1-> zero-if operation (first if is set to zero and frequency deviation is not
used)
fc
Disabled
Enabled, Clk frequency set by Clkout_freq (d)
=
Page 64 of 77
200
=
12.5 dBm
12.5 dBm -1 step (d)
12.5 dBm – 2 steps
12.5 dBm – 3 steps
12.5 dBm – 4 steps
12.5 dBm – 5 steps
12.5 dBm – 6 steps
12.5 dBm – 7 steps
2 ⋅
f
kHz
xtal
Clkout
.
12
F
C
if Clkout_freq = “00000”
f
xtal
xtal
= 200 kHz
8 .
MHz
MHz
_
freq
.
1
+
otherwise
Val
(
InterpFilt
8
Tx
)
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