PDF SX1211 Data sheet ( Hoja de datos )

Número de pieza	SX1211
Descripción	Ultra-Low Power Integrated UHF Transceiver
Fabricantes	Semtech Corporation
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No Preview Available ! WIRELESS & SENSING General Description The SX1211 is a low cost single-chip transceiver operating in the frequency ranges from 863-870, 902- 928 MHz and 950-960 MHz. The SX1211 is optimized for very low power consumption (3mA in receiver mode). It incorporates a baseband modem with data rates up to 200 kb/s. Data handling features include a sixty-four byte FIFO, packet handling, automatic CRC generation and data whitening. Its highly integrated architecture allows for minimum external component count whilst maintaining design flexibility. All major RF communication parameters are programmable and most of them may be dynamically set. It complies with European (ETSI EN 300-220 V2.1.1) and North American (FCC part 15.247 and 15.249) regulatory standards. Ordering Information Table 1: Ordering Information Part number Delivery Minimum Order Quantity / Multiple SX1211I084TRT Tape & Reel 3000 pieces SX1211I084T Tray 200 pieces SX1211WS Wafer 1 wafer TQFN-32 package – Operating range [-40;+85°C] T refers to Lead Free packaging This device is WEEE and RoHS compliant Application Circuit Schematic SX1211 Transceiver Ultra-Low Power Integrated UHF Transceiver Features Low Rx power consumption: 3mA Low Tx power consumption: 25 mA @ +10 dBm Good reception sensitivity: down to -107 dBm at 25 kb/s in FSK, -113 dBm at 2kb/s in OOK Programmable RF output power: up to +12.5 dBm in 8 steps Packet handling feature with data whitening and automatic CRC generation Wide RSSI (Received Signal Strength Indicator) dynamic range, 70dB from Rx noise floor Bit rates up to 200 kb/s, NRZ coding On-chip frequency synthesizer FSK and OOK modulation Incoming sync word recognition Built-in Bit-Synchronizer for incoming data and clock synchronization and recovery 5 x 5 mm TQFN package Optimized Circuit Configuration for Low-cost applications Applications Wireless alarm and security systems Wireless sensor networks Automated Meter Reading Home and building automation Industrial monitoring and control Remote Wireless Control Rev 8– February 2013 Page 1 of 92 www.semtech.com 1 page WIRELESS & SENSING SX1211 This product datasheet contains a detailed description of the SX1211 performance and functionality. Please consult the Semtech website for the latest updates or errata. 1. General Description The SX1211 is a single chip FSK and OOK transceiver capable of operation in the 863-870 MHz and 902-928 MHz license free ISM frequency bands, as well as the 950 - 960 MHz frequency band. It complies with both the relevant European and North American standards, EN 300-220 V2.1.1 (June 2006 release) and FCC Part 15 (10-1-2006 edition). A unique feature of this circuit is its extremely low current consumption in receiver mode of only 3mA (typ). The SX1211 comes in a 5x5 mm TQFN-32 package. 1.1. Simplified Block Diagram Figure 1: SX1211 Simplified Block Diagram Rev 8 – February 2013 Page 5 of 92 www.semtech.com 5 Page WIRELESS & SENSING SX1211 2.4.5. Digital Specification Conditions: Temp = 25 °C, VDD = 3.3 V, crystal frequency = 12.8 MHz, unless otherwise specified. Table 9: Digital Specification Symbol VIH VIL VOH VOL SCK_CONFIG SCK_DATA T_DATA T_MOSI_C T_MOSI_D T_NSSC_L T_NSSD_L T_NSSC_H T_NSSD_H Description Digital input level high Digital input level low Digital output level high Digital output level low SPI Config. clock frequency SPI Data clock frequency DATA hold and setup time MOSI setup time for SPI Config. MOSI setup time for SPI Data. NSS_CONFIG low to SCK rising edge. SCK falling edge to NSS_CONFIG high. NSS_DATA low to SCK rising edge. SCK falling edge to NSS_DATA high. NSS_CONFIG rising to falling edge. NSS_DATA rising to falling edge. Conditions Imax=1mA Imax=-1mA Min 0.8VDD - 0.9VDD - - - 2 250 312 500 625 500 625 Typ Max Unit - -V - 0.2VDD V - -V - 0.1VDD V - 6 MHz - 1 MHz - - µs - - ns - - ns - - ns - - ns - - ns - - ns Note: on pin 10 (XTAL_P) and 11 (XTAL_N), maximum voltages of 1.8V can be applied. Rev 8 – February 2013 Page 11 of 92 www.semtech.com 11 Page

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