PDF Si4467 Data sheet ( Hoja de datos )

Número de pieza	Si4467
Descripción	LOW-CURRENT TRANSCEIVER
Fabricantes	Silicon Laboratories
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Si4468/7 HIGH-PERFORMANCE, LOW-CURRENT TRANSCEIVER Features  Frequency range = 142–1050 MHz  Fast wake and hop times  Receive sensitivity = –133 dBm @  Power supply = 1.8 to 3.8 V 100 bps plus fast-scanning AFC for  Excellent selectivity performance standard TCXO applications 69 dB adjacent channel  Modulation 79 dB blocking at 1 MHz (G)FSK, 4(G)FSK, (G)MSK  Antenna diversity and T/R switch control OOK  Highly configurable packet handler  Max output power  TX and RX 64 byte FIFOs +20 dBm (Si4468) 129 bytes dedicated Tx or Rx FIFO +13 dBm (Si4467)  Auto frequency control (AFC)  PA support for +27 or +30 dBm  Automatic gain control (AGC)  Low active power consumption  Low BOM 10/13 mA RX  Low battery detector 18 mA TX at +10 dBm (Si4467)  Temperature sensor  Ultra low current powerdown modes 20-Pin QFN package 30 nA shutdown, 40 nA standby  Sub-GHz 802.15.4 mesh network ready  Preamble sense mode  IEEE 802.15.4g, and WMBus compliant 6 mA average RX current at  Suitable for FCC Part 90 Mask D, FCC 1.2 kbps part 15.247, 15,231, 15,249, ARIB T-108, 10 µA average RX current at T-96, T-67, RCR STD-30, China 50 kbps and 1 sec sleep interval regulatory  Fast preamble detection  ETSI Category I Operation 1 byte preamble detection  EN 300 220  Data rate = 100 bps to 1 Mbps Applications  Smart metering (802.15.4g and WMBus)  802.15.4 mesh networking  Home security and alarm  Telemetry  Garage and gate openers  Star and point-to-point networks  Home automation  Ultra narrowband, long range applications  Industrial control  Sensor networks  Health monitors  Electronic shelf labels  Low power wireless sensor nodes Pin Assignments SDN 1 20 19 18 17 16 RXp 2 15 nSEL RXn 3 TX 4 GND PAD 14 SDI 13 SDO NC 5 12 SCLK 6 7 8 9 10 11 nIRQ Description Silicon Laboratories' Si446x devices are high-performance, low-current transceivers covering the sub-GHz frequency bands from 142 to 1050 MHz. The radios are part of the EZRadioPRO® family, which includes a complete line of transmitters, receivers, and transceivers covering a wide range of applications. A high level of integration including support for IEEE 802.15.4 features enables standards based sub GHz networking solutions. All parts offer outstanding sensitivity of –133 dBm while achieving extremely low active and standby current consumption. The Si4468/7 offers frequency coverage in all major bands. The Si446x includes optimal phase noise, blocking, and selectivity performance for narrow band and licensed band applications, such as FCC Part90 and 169 MHz wireless MBus. The 69 dB adjacent channel selectivity with 12.5 kHz channel spacing ensures robust receive operation in harsh RF conditions, which is particularly important for narrow band operation. The Si4468 offers exceptional output power of up to +20 dBm with outstanding TX efficiency. The high output power and sensitivity results in an industry-leading link budget of 155 dB allowing extended ranges and highly robust communication links. The Si4467 active mode TX current consumption of 18 mA at +10 dBm and RX current of 10 mA coupled with extremely low standby current and fast wake times ensure extended battery life in the most demanding applications. The Si4468 can achieve up to +27 dBm output power with built-in ramping control of a low-cost external FET. The devices can meet worldwide regulatory standards: FCC, ETSI, and ARIB. All devices are designed to be compliant with 802.15.4g and WMBus smart metering standards. The devices are highly flexible and can be configured via the Wireless Development Suite (WDS) available at www.silabs.com. Patents pending Rev 1.0 10/14 Copyright © 2014 by Silicon Laboratories Si4468/7 1 page Si4468/7 Table 2. Synthesizer AC Electrical Characteristics Parameter Synthesizer Frequency Range Symbol FSYN Test Condition Min Typ Max Unit 850 — 1050 MHz 350 — 525 MHz 284 — 350 MHz 142 — 175 MHz Synthesizer Frequency Resolution FRES-960 FRES-525 850–1050 MHz 420–525 MHz — 28.6 — — 14.3 — Hz Hz FRES-420 350–420 MHz — 11.4 — Hz FRES-350 283–350 MHz — 9.5 — Hz FRES-175 142–175 MHz — 4.7 — Hz Synthesizer Settling Time tLOCK Measured from exiting Ready mode with — 50 — XOSC running to any frequency. Including VCO Calibration. µs Phase Noise L(fM) F = 10 kHz, 169 MHz, High Perf Mode — F = 100 kHz, 169 MHz, High Perf Mode — –117 –108 dBc/Hz –120 –115 dBc/Hz F = 1 MHz, 169 MHz, High Perf Mode — –138 –135 dBc/Hz F = 10 MHz, 169 MHz, High Perf Mode — –148 –143 dBc/Hz F = 10 kHz, 915 MHz, High Perf Mode — –102 –94 dBc/Hz F = 100 kHz, 915 MHz, High Perf Mode — –105 –97 dBc/Hz F = 1 MHz, 915 MHz, High Perf Mode — –125 –122 dBc/Hz F = 10 MHz, 915 MHz, High Perf Mode — –138 –135 dBc/Hz Note: All minimum and maximum values are guaranteed across the recommended operating conditions of supply voltage and from –40 to +85 °C unless otherwise stated. All typical values apply at VDD = 3.3 V and 25 °C unless otherwise stated. Rev 1.0 5 5 Page Si4468/7 Table 5. Auxiliary Block Specifications1 Parameter Symbol Test Condition Min Typ Max Unit Temperature Sensor Sensitivity TSS — 4.5 — ADC Codes/ °C Low Battery Detector Resolution LBDRES Microcontroller Clock Output Frequency Range2 FMC Configurable to Fxtal or Fxtal divided by 2, 3, 7.5, 10, 15, or 30 where Fxtal is the reference XTAL frequency. In addition, 32.768 kHz is also supported. Temperature Sensor Conversion TEMPCT XTAL Range3 XTALRange 30 MHz XTAL Start-Up Time t30M Programmable setting Start-up time will vary with XTAL type and board layout. 30 MHz XTAL Cap Resolution 30MRES 32 kHz XTAL Start-Up Time t32k 32 kHz Accuracy using Internal RC Oscillator 32KRCRES POR Reset Time tPOR — 32.768K — 25 — — — — — 50 — 3 — 300 70 2 2500 — — Fxtal — 32 — — — — 6 mV Hz ms MHz µs fF sec ppm ms Notes: 1. All minimum and maximum values are guaranteed across the recommended operating conditions of supply voltage and from –45 to +85 °C unless otherwise stated. All typical values apply at Vdd=3.3V and 25C unless otherwise stated. 2. Microcontroller clock frequency tested in production at 1 MHz, 30 MHz, 32 MHz, and 32.768 kHz. Other frequencies tested by bench characterization. 3. XTAL Range tested in production using an external clock source (similar to using a TCXO). Rev 1.0 11 11 Page

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