SX1223 Multi-Channel RF Transmitter

Product Brief
SEMTECH
WIRELESS
&
SENSING
PRODUCTS
SX1223
Multi-Channel RF Transmitter
The SX1223 is a highly-integrated multi-channel RF Transmitter for
ISM-band wireless applications. It is designed to operate in the Industrial,
Scientific and Medical (ISM) frequency bands at 433, 868 and 915 MHz.
Key Features:
Applications:
• Low external component count
• 4 x 4 mm RoHS compliant TQFN package
• Two-layer pre-certified ETSI/FCC compliant
reference design
• Tx current consumption 25.8 mA (+10 dBm)
and 14.0 mA (0 dBm)
• Supply range 2.0-3.6V
• Frequency Shift Keying (FSK) data transmission
• Data rates from 1.2 to 153.6 kbit/s
• Programmable output power in eight steps
• Three modulation modes for maximum
versatility
• RF output power: up to +10 dBm
• KONNEX™ compatible
• No External SAW filter
• Satisfies ETSI EN 300 220-1 and FCC part
15.247 regulations
•
•
•
•
•
•
•
Home and Building automation
KONNEX™ systems
Security and Alarm systems
Automated Meter Reading
Industrial monitoring and control
Remote Keyless Entry Systems
Consumer applications
Block Diagram:
W WW.SEMTECH.COM
Product Brief
SX1223
Multi-Channel RF Transmitter
Features:
Characteristics
Parameter
• SPI interface for register configuration
• Minimum configuration requires only a 16 MHz
crystal, one inductor and 8 RC components
Operating Conditions
• Compatible with XE1203F and XE1205
transceivers for one-way systems
Operating supply voltage
• Four power modes:
Sleep
Standby
Synthesizer running
Transmission
Operating temperature range
Typ
Max
Unit
-40
85
°C
2
3.6
V
Current Consumption
Current consumption Tx (+10 dBm)
25.8
mA
Current consumption Tx (0 dBm)
14.0
mA
Current consumption, sleep mode
300
nA
RF Characteristics
Frequency range
Frequency deviation (425-475 MHz)
Semtech’s SX1223 is a versatile ISM-band transmitter
optimized for design re-use with programmable
frequency, data rate and output power. This makes it
well-suited for cost reducing legacy products and for
next-generation designs.
Min
425
475
MHz
850
950
MHz
5
200
kHz
5
255
kHz
Data rate
1.2
153.6
kbit/s
Output power
-11
10
dBm
Frequency deviation (850-950 MHz)
Conditions: Supply Voltage = 3.3V, Temperature = 25°C unless otherwise specified
SX1223 TYPICAL APPLICATION CIRCUIT
Visit our website to locate most current product specifications, datasheets and contact information for your local Semtech Field Applications Engineer.
WWW.SEMTECH.COM
SX1223-PB-0207