SX1240ISTRT Semtech, SX1240ISTRT Datasheet - Page 16

• Manufacturer Part Number: SX1240ISTRT
• Description: IC, RF/IF TRANSMITTER, 868.3MHz, SOIC-8
• Manufacturer: Semtech

Specifications of SX1240ISTRT

• Transmitting Current: 16.5mA
• Data Rate: 100Kbps
• Modulation Type: FSK, OOK
• Rf Ic Case Style: SOIC
• No. Of Pins: 8
• Supply Voltage Range: 1.8V To 3.7V
• Operating Temperature Range: -40°C To +85°C
• Rohs Compliant: Yes

5.4. Reference Design BOM
The following tables summarize the module BoM for 434 MHz and 868 MHz band operation.
Table 10 434 MHz Single Layer Reference Design BoM
Table 11 868 MHz Reference Design BoM
To be Confirmed
SX1240, Rev 1, Oct 2010
©2010 Semtech Corp.
ADVANCED COMMUNICATIONS & SENSING
Designator
U1
Q1
C1
C2
C3
C4
C5
C6
C7
C8
L1
L2
L3
Q2
C11
LM
R1
R2
R3
R4
R VBAT
R6
Part
Number
SX1240ISRT
LQG15
LQG15
LQG15
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Package
2.5 x 3.2 mm
HC49
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
0402
SO8
SX1240
26 MHz
26 MHz
120 nH
100 pF
100 nF
3.3 pF
8.2 pF
8.2 pF
22 nH
15 nH
Value
1 pF
TBC
TBC
0R0
0R0
0R0
0R0
0R0
0R0
S/C
NC
Qty
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RF Transmitter IC
Crystal 26 MHz CL = 15 pF
Capacitor NPO (+/-5%)
Capacitor NPO (+/-0.25 pF)
Capacitor NPO (+/-5%)
Capacitor NPO (+/-5%)
Capacitor X7R (+/-10%)
Capacitor NPO (+/-0.25 pF)
Capacitor NPO (+/-5%)
Multilayer chip inductor
Multilayer chip inductor
Multilayer chip inductor
Optional replacement of Q1
Antenna Matching Component
Antenna Matching Component
Optional PA Supply Isolation
Optional CTRL ‘hi’ Connection
Optional CTRL ‘lo’ Connection
Optional CTRL Isolation
Optional Supply Isolation
Optional Data Connection to header
Description
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Integrated Transmitter IC
Murata or equivalent
Murata or equivalent
Murata or equivalent
www.semtech.com
DATASHEET
Manufacturer
SX1240
Semtech
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