 |
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
|
| If you can't view the Datasheet, Please click here to try to view without PDF Reader . |
|
|
| Datasheet File OCR Text: |
| RFM12BP Datasheet REV2.3 UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE WITH 500mW OUTPUT POWER RFM12BP the purpose of this spec covers mainly for the physical characteristic of the module, for register configure and its related command info please refer to RF12B datasheet General Introduction RFM12BP is a low costing ISM band transceiver module implemented with 500mW output power. It works signal ranges from 433/868/915MHZ bands, The SPI interface is used to communicate with microcontroller for parameter setting. Features: * High output power with 500mW * High input sensitivity with -117dBm * Low costing, high performance and price ratio * PLL and zero IF technology * Fast PLL lock time * High resolution PLL with 2.5 KHz step * High data rate (up to 115.2 kbps with internal demodulatorwith external RC filter highest data rate is 256 kbps) * 50 OHM antenna input/output * Programmable TX power * Programmable TX frequency deviation (from 15 to 240 KHz) * Programmable receiver bandwidth (from 67 to 400 kHz) * Analog and digital signal strength indicator (ARSSI/DRSSI) Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com * Automatic frequency control (AFC) * Data quality detection (DQD) * Internal data filtering and clock recovery * RX synchron pattern recognition * SPI compatible serial control interface * Clock and reset signal output for external MCU use * 16 bit RX Data FIFO * Two 8 bit TX data registers * Wakeup timer * 2.2V - 3.8V power supply for FSK IC, 12V power supply for power amplifier * Standby current less than 0.3uA * Supports very short packets (down to 3 bytes) 1 of 8 RFM12BP Datasheet REV2.3 Typical Application * Remote control * Remote sensor * Wireless data collection * Home security system * Toys Pin Definition PIN number 1 2 3 4 5 6 7 8 9 10 definition GND GND VCC-PA GND SDI SCK nSEL SDO nIRQ FSK/DATA/n FFS Type S S S S DI DI DI DO DO DI/DO/DI Function ground ground Positive power supply for power amplifier (12V) ground SPI data input SPI clock input Chip select (active low) Serial data output with bus hold Interrupts request outputactive low Transmit FSK data input/ Received data output (FIFO not used)/ FIFO select 11 DCLK/CFIL/F FIT DO/AIO/DO Clock output (no FIFO )/ external filter capacitor(analog mode)/ FIFO interrupts(active high)when FIFO level set to 1, FIFO empty interruption can be achieved 12 13 14 15 16 17 18 CLK nRES GND nINT/VDI GND VDD GND DO DIO S DI/ DO S S S Clock output for external microcontroller Reset outputactive low ground Interrupt input (active low)/Valid data indicator ground Positive power supply for FSK IC(2.2V-3.8V) ground Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com 2 of 8 Tel: +86-755-82973806 RFM12BP Datasheet REV2.3 19 TXEN AI TX enable (active high ), Drive current 3mA. TX disable(active low). 20 21 GND RXEN S AI ground RX enable (active high), Drive current 3mA. RX disable(active low). 22 23 24 GND GND ANT S S AIO ground ground RF signal output/input (50 OHM) Typical Application Typical application with FIFO usage Electrical Parameter Maximumnot at working mode symbol VDD VCC-PA Vin Iin ESD Tst Tld parameter Positive power supply for FSk IC Positive power supply for power amplifier All pin input level except VDD,VCC-PA,GND,ANT Input current except VDD,VCC-PA,GND,ANT Human body model Storage temperature Soldering temperature(10s) -55 minimum -0.5 -0.5 -0.5 -25 maximum 4.0 13 VDD+0.5 25 1000 125 260 Unit V V V mA V Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com 3 of 8 RFM12BP Datasheet REV2.3 Recommended working range symbol VDD VCC-PA Top parameter Positive power supply Positive power supply for power amplifier Working temperature min 2.2 11 -40 max 3.8 13 85 Unit V V DC characteristic symbol Idd_TX_PMA X parameter Supply current (TX mode, Pout = 500mW) Supply current (RX mode) Remark 433MHz band 868/915MHz band 433MHz band 868/915MHz band Crystal oscillator on All blocks off min typ 200 230 20 23 0.62 0.3 0.5 max Unit mA Idd_RX mA Ix Ipd Ilb Vlb Idle current Sleep mode current Low battery detection Low battery detect threshold 1.2 mA uA uA 0.1V per step 2.2 3.8 V Vlba Low battery detection accuracy 0 5 % Vil Vih Iil Iih Vol Voh Low level input High level input Leakage current Leakage current Low level output High level output Vil=0V Vih=Vdd, Vdd=4V Iol=2mA Ioh=-2mA Vdd-0.4 0.7*Vdd -1 -1 0.3*Vdd V V 1 1 0.4 uA uA V V AC characteristic symbol parameter remark min typica l fref PLL frequency frequency fLO (10MHz crystal used) frequency fLO (9MHZ crystal used) frequency fLO (11MHZ crystal used) BW Receiver bandwidth 433 MHz band,2.5KHz step 868 MHz band,5KHz step 915 MHz band,7.5KHz step 433 MHz band,2.5KHz step 868 MHz band,5KHz step 915 MHz band,7.5KHz step 433 MHz band,2.5KHz step 868 MHz band,5KHz step 915 MHz band,7.5KHz step mode 0 mode 1 mode 2 max Unit 9 430.24 860.48 900.72 387.22 774.43 810.65 473.26 946.53 990.79 60 120 180 10 11 439.75 879.51 929.27 395.76 791.56 836.34 483.73 967.46 1022.2 MHz MHz MHz MHz 67 134 200 75 150 225 KHz Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com 4 of 8 RFM12BP Datasheet REV2.3 mode 3 mode 4 mode 5 240 300 360 270 350 400 30 300 375 450 us tlock PLL lock time After 10MHz step hopping, frequency error <10 kHz tst, P BR PLL startup time Data rate With a running crystal oscillator With internal digital demodulator 0.6 200 300 115.2 us kbps BRA Pmin Data rate Sensitivity (BER 10 , BW=134KHz,BR=1 .2kbps,) -3 With external RC filter 433MHz band 868MHz band 915MHz band -118 -114 -112 256 -116 -112 -110 kbps dBm AFCrange AFC working range dfFSK : FSK deviation in the received signal 0.8* dfFSK AC characteristic(Transmitter) symbol Pmax_50 parameter Max. output power delivered to 50Ohm load remark 433MHZ band 868MHZ band 915MHZ band BRTX FSK bit rate Via internal TX data register BRATX FSK bit rate TX data connected to the FSK input min 26 25 25 typical 27 27 27 max Unit dBm 172 kbps 256 kbps dffsk FSK frequency deviation Programmable in 15 kHz steps 15 240 kHZ AC characteristic(Turn-on/Turnaround timings) symbol Tst parameter Crystal oscillator startup time Transmitter Ttx_XTAL_ON turn-on time Synthesizer off, crystal 250 us remark Crystal ESR < 100 min typical 1 max 5 Unit ms oscillator on with 10 MHz step Receiver Trx_XTAL_ON turn-on time Synthesizer off, crystal 250 us oscillator on with 10 MHz step Transmitter Ttx_rx_SYNT_ON Receiver turnover time - Synthesizer and crystal 150 us oscillator on during TX/RX change with 10 MHz step Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com 5 of 8 RFM12BP Datasheet REV2.3 Receiver Trx_tx_SYNT_ON Cxl Transmitter turnover time Crystal load capacitance tPOR Internal POR timeout tPBt Wake-up timer clock period Cin, D Digital input capacitance tr, f Digital output rise/fall time 15pF pure capacitive load 10 ns 2 pf - Synthesizer and crystal 150 us oscillator on during RX/TX change with 10 MHz step Programmable in 0.5 pF steps, tolerance+/- 10% After Vdd has reached 90% of final value Calibrated every 30 seconds 0.96 1.05 ms 100 ms 8.5 16 pf Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com 6 of 8 RFM12BP Datasheet REV2.3 Mechanical Dimension Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com 7 of 8 RFM12BP Datasheet REV2.3 Module Model Definition model=module-operation band RFM12BP - 433 module type operation band example1RFM12BP module at 433MHz band, RFM12BP-433. 2RFM12BP module at 868MHZ band, RFM12BP-868. This document may contain preliminary information and is subject to change by Hope Microelectronics without notice. Hope Microelectronics assumes no responsibility or liability for any use of the information contained herein. Nothing in this document shall operate as an express or implied license or indemnity under the HOPE MICROELECTRONICS CO.,LTD Rm B.8/F LiJingGe Emperor Regency 6012 ShenNan Rd., Shenzhen,China Tel: Fax: Email: 86-755-82973805 86-755-82973550 sales@hoperf.com intellectual property rights of Hope Microelectronics or third parties. The products described in this document are not intended for use in implantation or other direct life support applications where malfunction may result in the direct physical harm or injury to persons. NO WARRANTIES OF ANY KIND, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MECHANTABILITY OR FITNESS FOR A ARTICULAR PURPOSE, ARE OFFERED IN THIS DOCUMENT. (c)2006, HOPE MICROELECTRONICS CO.,LTD. All rights reserved. trade@hoperf.com Website: http://www.hoperf.com http://www.hoperf.cn http://hoperf.en.alibaba.com Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com http://www.hoperf.com 8 of 8 |
Price & Availability of RFM12BP
 |
|
|
|
|
All Rights Reserved © IC-ON-LINE 2003 - 2022 |
| [Add Bookmark] [Contact Us] [Link exchange] [Privacy policy] |
|
Mirror Sites : [www.datasheet.hk]
[www.maxim4u.com] [www.ic-on-line.cn]
[www.ic-on-line.com] [www.ic-on-line.net]
[www.alldatasheet.com.cn]
[www.gdcy.com]
[www.gdcy.net] |