Preliminary Specification Number : SP-1SJ-295 1 / 25 LoRa Module User Manual MP Part Number: 1SJ (This data sheet is preliminary. Please contact your Murata support for the latest formal revision.
Preliminary Specification Number : SP-1SJ-295 2 / 25 TABLE OF CONTENTS 1. 2. 3. 4.
Preliminary Specification Number : SP-1SJ-295 3 / 25 1. Features Interfaces Main ICs Reference Clocks : UART, I2C, USB, SPI : STM32L, SX1262 : Integrated 32MHz clock (TCXO with frequency error=±3.0 ppm) and 32.768KHz clock (frequency error=±20 ppm) Transmitting Channel Frequency Allocation: 125KHz LoRa: 902.3~914.9MHz, channel space 200KHz 500KHz LoRa: 903.0~914.2MHz, channel space 1.6MHz Module Size : 10.0 mm x 8.0 mm x 1.60 max mm. Weight : 0.28g (Typ.
Preliminary Specification Number : SP-1SJ-295 4 / 25 5. Dimensions, Marking and Terminal Configurations Table 1 Dimension (Unit: mm) Mark Dimension L 10.0±0.2 a1 0.4±0.1 b1 0.2±0.15 b4 0.2±0.15 b7 2.5±0.15 c3 1.0±0.1 e3 0.5±0.1 Mark W a2 b2 b5 c1 e1 e4 Dimension 8.0±0.2 0.4±0.1 1.3±0.15 0.3±0.15 0.7±0.1 0.3±0.1 0.5±0.1 Mark T a3 b3 b6 c2 e2 Preliminary & Confidential < Specification may be changed by Murata without notice > Dimension 1.60 max 1.0±0.1 2.3±0.15 2.0±0.15 0.7±0.1 0.3±0.
Preliminary Specification Number : SP-1SJ-295 5 / 25 Terminal Configurations Table 2 Terminal Configurations Pin NO.
Preliminary Specification Number : SP-1SJ-295 6 / 25 I2C3_SMBA GPIO mode:PA7 10 PA7 I/O STM32L072_PA7 SPI1_MOSI COMP2_OUT ADC_IN7 GPIO mode:PA6 SPI1_MISO 11 PA6 I/O STM32L072_PA6 LPUART1_CTS COMP1_OUT ADC_IN6 12 GND Ground - Ground GPIO mode:PA4 SPI1_NSS UART2_CK 13 PA4 I/O STM32L072_PA4 COMP1_INM/COMP2_INM ADC_IN4 DAC_OUT1 GPIO mode:PA5 SPI1_SCK 14 PA5 I/O STM32L072_PA5 CMP2_INM COMP1_INM/COMP2_INM ADC_IN5 DAC_OUT2 GPIO mode:PA3 ADC_IN3 15 PA3 I/O STM32L072_PA3 USART2_RX LPUART
Preliminary Specification Number : SP-1SJ-295 7 / 25 23 ANT A, I/O - Transmit / Receive antenna 24 GND Ground - Ground 25 GND Ground - Ground 26 MCU_BOOT0 I STM32L072_BOOT0 BOOT0 for MCU GPIO mode:PB5 LPTIM1_IN1 SPI1_MOSI 27 PB5 I/O STM32L072_PB5 I2C1_SMBA USART1_CK USART5_RTS COMP2_INP GPIO mode:PB3 COMP2_INM 28 PB3 I/O STM32L072_PB3 SPI1_CLK USART1_RTS USART5_TX GPIO mode:PB4 COMP2_INP SPI1_MISO 29 PB4 I/O STM32L072_PB4 USART1_CTS USART5_RX I2C3_SDA 30 PB6 I/O STM32L0
Preliminary Specification Number : SP-1SJ-295 8 / 25 USB_DM SPI1_MISO USART1_CST COMP1_OUT 38 GND Ground - Ground GPIO mode:PA10 39 PA10 I/O STM32L072_PA10 USART1_RX I2C1_SDA GPIO mode:PA9 USART1_TX 40 PA9 I/O STM32L072_PA9 I2C1_SCL I2C3_SMBA MCO GPIO mode:PA8 MCO 41 PA8 I/O STM32L072_PA8 USB_CRS_SYNC USART1_CK I2C3_SCL GPIO mode:PB10 LPUART1_TX/LPUART1_RX 42 PB10 I/O STM32L072_PB10 SPI2_SCK I2C2_SCL GPIO mode:PB11 43 PB11 I/O STM32L072_PB11 LPUART1_RX/ LPUART1_TX I2C2_SDA 44
Preliminary Specification Number : SP-1SJ-295 9 / 25 6. Label Information 7. Absolute Maximum Ratings Table 3 Maximum ratings Parameters Storage Temperature Input RF Level VDD_RF, VDD_MCU, VDD_USB Supply Voltage Min -40 -0.3 Typ 25 - Max +85 10 3.9 Unit degC dBm V 8. Operating Condition Table 4 Operating specification Parameters Operating Temperature VDD_RF, VDD_MCU Supply VDD_USB (USB peripheral used) (1) Voltage VDD_USB(USB peripheral not used) (1) Min -40 2.0 3.0 Typ 25 - Max +85 3.6 3.
Preliminary Specification Number : SP-1SJ-295 10 / 25 9. Electrical Characteristics 9.1. FSK Transceiver Specification Conditions: Supply voltage =3.3 V, Temperature = 25 °C, TCXO = 32 MHz, FRF =868MHz, all RF impedances matched, transmit mode output power defined in 50 Ohm load, FSK BER = 0.1%, 2-level FSK modulation without pre-filtering, BR = 4.8 kb/s, FDA = 5 kHz, BW_F = 19.5 kHz double-sided, unless otherwise specified. Note: FSK transmission is only available in the EU868 band.
Preliminary Specification Number : SP-1SJ-295 11 / 25 9.3. Low power mode current Conditions: Power supply=3.3 V, Temperature=25 °C; Description STM32L072 in stop mode with RTC (Real Time Clock) SX1262 in cold start sleep mode1 STM32L072 in stop mode with RTC (Real Time Clock) SX1262 in warm start sleep mode without RC64K(64kHz RC oscillator)2 STM32L072 in stop mode with RTC (Real Time Clock) SX1262 in warm start sleep mode with RC64K(64kHz RC oscillator)2 1. 2. Min Typ 9.
Preliminary Specification Number : SP-1SJ-295 12 / 25 11. Recommend Land Pattern Notes： 1. Dimension unit is millimeter (Angle unit is degree). 2. This land pattern is for reference only. Consult your manufacturing group to ensure your company's manufacturing guidelines are met. 3. Thermal vias in the land pattern of the exposed pad shall be connected to a system ground plane. Failure to do so may compromise the thermal and/or functional performance of the device. 4.
Preliminary Specification Number : SP-1SJ-295 13 / 25 12.
Preliminary Specification Number : SP-1SJ-295 14 / 25 13. Tape and Reel Packing Dimension of Tape 2.0±0.1 4.0±0.1 *1 1.5+0.1/-0.0 0.30±0.05 11.5±0.1 10.5±0.05 24.0+0.3/-0.1 1.75±0.1 13.1. 1.5+0.1/-0.0 8.4±0.05 16.0±0.1 1.75±0.05 feeding direction (unit: mm) Dimensions of Reel Label R5 5 22 120 φ13±0.2 R135 φ φ 80±1 R80 φ330±2 13.2. W1 W2 Reel inside width W1: 25.5±1.0 Reel outside width W2: 29.5±1.
Preliminary Specification Number : SP-1SJ-295 15 / 25 13.3. Taping Diagrams [1] Feeding Hole : As specified in (1) [2] Hole for chip : As specified in (1) [3] Cover tape : 62μMin thickness [4] Base tape : As specified in (1) [3] [1] [2] [3] [4] Feeding Hole Feeding Direction Chip 13.4. Leader and Tail Tape Tail tape (No components) Component s 40 to 200mm No components Leader tape (Cover tape alone) 150mm min. 250mm min.
Preliminary Specification Number : SP-1SJ-295 16 / 25 - - The tape for chips are wound clockwise, the feeding holes to the right side as the tape is pulled toward the user. The cover tape and base tape are not adhered at no components area for 250mm Min. Tear off strength against pulling of cover tape: 5N Min. Packaging unit : 1000 pcs/ reel Material Base tape : Plastic Reel : Plastic Cover tape, cavity tape and reel are made the anti-static processing. Peeling of force: 1.3N max.
Preliminary Specification Number : SP-1SJ-295 17 / 25 14. Notice 14.1. Storage Conditions Please use this product within 6month after receipt. - The product shall be stored without opening the packing under the ambient temperature from 5 to 35 °C and humidity from 20 ~ 70 %RH. (Packing materials, in particular, may be deformed at the temperature over 40 °C) - The product left more than 6months after reception, it needs to be confirmed the solderbility before used.
Preliminary Specification Number : SP-1SJ-295 18 / 25 Reflow Soldering Standard Conditions (Example) Within 3 s 240 ~ 250 °C 220 °C Cooling down Slowly 180 °C 150 °C Pre-heating Within 120 s Within 60s Time(s) Please use the reflow within 2 times. Use rosin Type flux or weakly active flux with a chlorine content of 0.2 wt % or less. 14.6. Cleaning : Since this Product is Moisture Sensitive, any cleaning is not permitted. 14.7.
Preliminary Specification Number : SP-1SJ-295 19 / 25 15. Regulatory Statements 15.1 FCC Statements This product has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
Preliminary Specification Number : SP-1SJ-295 20 / 25 15.2 IC Statements This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radioexempts de licence.
Preliminary Specification Number : SP-1SJ-295 21 / 25 maximum gain indicated for that type, are strictly prohibited for use with this device.
Preliminary Specification Number : SP-1SJ-295 22 / 25 CAUTION PLEASE READ THIS NOTICE BEFORE USING OUR PRODUCTS. Please make sure that your product has been evaluated and confirmed from the aspect of the fitness for the specifications of our product when our product is mounted to your product.
Preliminary Specification Number : SP-1SJ-295 23 / 25 on the content of specification sheet or approval sheet. Customer acknowledges that engineering samples may deviate from specifications and may contain defects due to their development status. We reject any liability or product warranty for engineering samples.
