파트넘버.co.kr SX1243 데이터시트 PDF


SX1243 반도체 회로 부품 판매점

Low Cost Integrated Transmitter IC



Semtech 로고
Semtech
SX1243 데이터시트, 핀배열, 회로
SX1243
WIRELESS & SENSING
SX1243 - Low Cost Low Current Integrated Transmitter
310 to 928MHz Frequency Agile
DATASHEET
GENERAL DESCRIPTION
The SX1243 is an ultra-low-cost, fully integrated FSK or
OOK transmitter suitable for operation between 310 and
450 MHz, 860 and 870 MHz, as well as 902 and 928 MHz.
For applications where economy is paramount, the SX1243
may be used without the requirement for configuration via
an MCU. However, in conjunction with a microcontroller the
communication link parameters may be re-configured.
Including, output power, modulation format and operating
channel.
The SX1243 offers integrated radio performance with cost
efficiency and is suited for operation in North America FCC
Part 15.231, FCC Part 15.247 FHSS and Digital Modulation
Techniques, 15.249, and Europe EN 300 220.
ORDERING INFORMATION
Part Number
SX1243IULTRT
Temperature Range
-40 °C to +85 °C
Package
DFN-UT8
MOQ / Multiple
3000 pieces
Pb-Free, Halogen Free, RoHS/WEEE compliant product.
APPLICATIONS
Š Garage Door Openers
Š Low-Cost Consumer Electronic Applications
Š Remote Keyless Entry (RKE)
Š Remote Control / Security Systems
KEY PRODUCT FEATURES
Š +10 dBm or 0 dBm Configurable output power
Š Bit rates up to 100 kbps
Š OOK and FSK modulation.
Š 1.8 to 3.7 V supply range.
Š Low BOM Fully Integrated Tx
Š Fractional-N PLL with 1.5 kHz typical step
Š Frequency agility for FHSS modulation
Š FCCwww.DataSheet.co.kr CFR Part 15.247 Digital Modulation Techniques
NRESET
1
DATA
2
GND
3
XTAL
4
PA
CP M/N
PFD
Sigma
/Delta
RFOUT
8
7 TX_READY
CTRL
6
VDD
5
1.8 to 3.7 V
SX1243, Rev 3, May 2012
©2012 Semtech Corporation
Page 1
www.semtech.com
Datasheet pdf - http://www.DataSheet4U.net/


SX1243 데이터시트, 핀배열, 회로
SX1243
WIRELESS & SENSING
Table of contents
Section
DATASHEET
Page
1. Circuit Description ....................................................................................................................................................................... 3
1.1. General Description ............................................................................................................................................................ 3
1.2. Block Diagram .................................................................................................................................................................... 3
1.3. Pin Description, DFN8 Encapsulation................................................................................................................................. 4
2. Electrical Characteristics ............................................................................................................................................................. 5
2.1. ESD Notice ......................................................................................................................................................................... 5
2.2. Absolute Maximum Ratings ................................................................................................................................................ 5
2.3. Operating Range ................................................................................................................................................................ 5
2.4. Electrical Specifications........................................................................................................................................................... 6
3. Digital Specification ..................................................................................................................................................................... 8
4. Application Modes of the SX1243 ............................................................................................................................................... 9
4.1. Transmitter Modes.............................................................................................................................................................. 9
4.2. Mode Selection Flowchart ................................................................................................................................................ 10
4.3. Application Mode: Power & Go ............................................................................................................................................. 11
4.4. Application Mode: Advanced ............................................................................................................................................ 11
4.4.1. Advanced Mode: Configuration................................................................................................................................. 11
4.4.2. Frequency Hopping Spread Spectrum...................................................................................................................... 11
4.5. Frequency Band Coverage ................................................................................................................................................... 12
4.6. Power Consumption ......................................................................................................................................................... 12
5. SX1243 Configuration ............................................................................................................................................................... 13
www.DataSheet.co.kr
5.1. TWI Access....................................................................................................................................................................... 13
5.2. APPLICATION Configuration Parameters ........................................................................................................................ 15
5.3. FREQUENCY Configuration Parameters ......................................................................................................................... 15
5.4. Test Parameters ............................................................................................................................................................... 16
5.5. Status Parameters ............................................................................................................................................................ 16
5.6. Recovery Command .............................................................................................................................................................. 17
6. Application Information.............................................................................................................................................................. 18
6.1. Crystal Specification ......................................................................................................................................................... 18
6.2. Evaluation Module ............................................................................................................................................................ 18
6.3. NRESET Pin ..................................................................................................................................................................... 20
6.4. TX_READY Pin................................................................................................................................................................. 20
6.5. Low Power Optimization ................................................................................................................................................... 20
6.5.1. 2 Connections: CTRL, DATA .................................................................................................................................... 20
6.5.2. 3 Connections: CTRL, DATA, TX_READY ............................................................................................................... 20
7. SX1243 Packaging.................................................................................................................................................................... 21
7.1. Package Outline Drawing ................................................................................................................................................. 21
7.2. Thermal Impedance.......................................................................................................................................................... 21
7.3. Land Pattern ..................................................................................................................................................................... 22
7.4. Tape & Reel Specification ................................................................................................................................................ 22
8. Revision History ........................................................................................................................................................................ 23
SX1243, Rev 3, May 2012
©2012 Semtech Corporation
Page 2
www.semtech.com
Datasheet pdf - http://www.DataSheet4U.net/




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