MRF24J40MA-I/RM Microchip Technology, MRF24J40MA-I/RM Datasheet
MRF24J40MA-I/RM
Specifications of MRF24J40MA-I/RM
MRF24J40MA
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MRF24J40MA-I/RM Summary of contents
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... Microchip Technology Inc. MRF24J40MA 2.4 GHz IEEE Std. 802.15.4™ RF Transceiver Module Data Sheet DS70329B ...
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... PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. ...
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... Sleep: 2 μA (typical) FIGURE 1: PIN DIAGRAM RESET WAKE © 2008 Microchip Technology Inc. MRF24J40MA RF/Analog Features: • ISM Band 2.405-2.48 GHz Operation • Data Rate: 250 kbps • -94 dBm Typical Sensitivity with +5 dBm Maximum Input Level • +0 dBm Typical Output Power with Power Control Range • ...
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... MRF24J40MA Table of Contents 1.0 Device Overview .......................................................................................................................................................................... 3 2.0 Circuit Description ........................................................................................................................................................................ 7 3.0 Regulatory Approval................................................................................................................................................................... 15 4.0 Electrical Characteristics ............................................................................................................................................................ 19 Appendix A: Revision History............................................................................................................................................................... 21 Index .................................................................................................................................................................................................... 23 The Microchip Web Site ....................................................................................................................................................................... 25 Customer Change Notification Service ................................................................................................................................................ 25 Customer Support ................................................................................................................................................................................ 25 Reader Response ................................................................................................................................................................................ 26 Product Identification System............................................................................................................................................................... 27 TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products ...
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... DEVICE OVERVIEW The MRF24J40MA is a 2.4 GHz IEEE Std. 802.15.4™ compliant, surface mount module with integrated crystal, internal voltage regulator, matching circuitry and PCB antenna. The MRF24J40MA module oper- ates in the non-licensed 2.4 GHz frequency band and is FCC, IC and ETSI compliant. The integrated module ...
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... No connection (allow pin to float; do not connect signal Power Power supply IN 11 GND Ground Ground 12 GND Ground Ground Legend: Pin type abbreviation Digital Input Output FIGURE 1-2: MICROCONTROLLER TO MRF24J40MA INTERFACE ® PIC MCU I/O SDO SDI SCK INTx I/O I/O DS70329B-page 4 Description MRF24J40MA CS SDI ...
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... PCB, and an area around the antenna, approximately 1.2", be kept clear of metal objects. A host PCB ground plane around the MRF24J40MA acts as a counterpoise to the PCB antenna recommended to extend the ground plane at least 0.4" around the module. ...
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... MRF24J40MA FIGURE 1-5: MOUNTING DETAILS Edge of PCB PCB Ground Plane (Counterpoise) Extend as far as possible to the sides and below the module (at least 0.4 inches on each side) for best performance DS70329B-page 6 Keep area around antenna (approximately 1.2 inches) 1.2” clear of metallic structures for best performance 0.470” ...
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... A schematic diagram of the module is shown in Figure 2-1 and the Bill of Materials (BOM) is shown in Table 2-1. The MRF24J40MA module is based on the Microchip Technology MRF24J40 IEEE 802.15.4™ 2.4 GHz RF Transceiver IC. The serial I/O (SCK, SDI, SDO and CS), RESET, WAKE and INT pins are brought out to the module pins ...
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... MRF24J40MA FIGURE 2-1: MRF24J40MA SCHEMATIC DS70329B-page SCK SDI OCS2 18 33 SDO OSC1 17 34 INT WAKE GND 15 36 GND RESET GPIO3 GPIO2 LCAP 11 40 Advance Information © 2008 Microchip Technology Inc. ...
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... Buffer, SC70 Package L1 Chip Inductor 0402 8.2N L2 Chip Inductor 0402 3.3N L3 Chip Inductor 0402 5.6N L4 Chip Inductor 0402 6.8N R1 Not Placed X1 20 MHz Crystal © 2008 Microchip Technology Inc. MRF24J40MA Manufacturer Murata Murata Murata Murata Murata Murata Murata Murata Murata Murata Murata Murata ...
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... MRF24J40MA 2.2 Printed Circuit Board The MRF24J40MA module printed circuit board is con- structed with FR4 material, four 0.032 inches thick. The layers are shown in Figure 2-2 through Figure 2-6. The stack up of the PCB is shown in Figure 2-7. FIGURE 2-2: TOP SILK SCREEN ...
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... FIGURE 2-7: PCB LAYER STACK UP 0.032” +/- 0.005” © 2008 Microchip Technology Inc. 1/2 oz. Copper 8 mil FR4 1/2 oz. Copper 12 mil FR4 1/2 oz. Copper 8 mil FR4 1/2 oz. Copper Advance Information MRF24J40MA Top Copper Ground Plane Power Plane Bottom Copper DS70329B-page 11 ...
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... MRF24J40MA 2.3 PCB Antenna The PCB antenna is fabricated on the top copper trace. Figure 2-8 shows the trace dimensions. The layers below the antenna have no copper traces. The ground and power planes under the components serve as a counterpoise to the PCB antenna. Additional ground plane on the host PCB will substantially enhance the performance of the module ...
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... FIGURE 2-10: SIMULATED 2D RADIATION PATTERN FIGURE 2-11: SIMULATED 3D RADIATION PATTERN dB (Gain Total) 2.0921e+000 1.1359e-001 -1.8649e+000 -3.8435e+000 -5.8220e+000 -7.8005e+000 -9.7791e+000 -1.1758e-001 -1.3736e+001 -1.5715e+001 -1.7693e+001 -1.9672e+001 -2.1650e+001 -2.3629e-001 -2.5607e+001 -2.7586e+001 -2.9564e+001 © 2008 Microchip Technology Inc. MRF24J40MA Z Theta Phi X Advance Information Y DS70329B-page 13 ...
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... MRF24J40MA FIGURE 2-12: SIMULATED PCB ANTENNA IMPEDANCE FIGURE 2-13: MEASURED PCB ANTENNA IMPEDANCE DS70329B-page 14 Advance Information © 2008 Microchip Technology Inc. ...
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... The MRF24J40MA module has received regulatory approvals for modular devices in the United States, Canada and European countries. Modular approval allows the end user to place the MRF24J40MA module inside a finished product and not require regulatory testing for an intentional radiator (RF transmitter), pro- vided no changes or modifications are made to the module circuitry. Changes or modifications could void the user’ ...
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... Communications Commission http://www.fcc.gov 3.2 Canada The MRF24J40MA module has been certified for use in Canada under Industry Canada (IC) Radio Standards Specification (RSS) RSS-210 and RSS-Gen. From Section 7.1.1, RSS-Gen, Issue 2, June 2007, Modular Transmitter Approval: Host devices which contain separately certified ...
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... Europe The MRF24J40MA module has been certified for use in European countries. The following testing has been completed: Test standard ETSI EN 300 328 V1.7.1 (2006-10): • Maximum Transmit Power • Maximum EIRP Spectral Density • Frequency Range • Radiated Emissions Test standards ETSI EN 301 489-1:2008 and ETSI EN 301 489-17:2008: • ...
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... MRF24J40MA NOTES: DS70329B-page 18 © 2008 Microchip Technology Inc. ...
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... Input Return Loss Externally Matched to 50 ohm Source by a Balun Matching Network Noise Figure (including matching) Adjacent Channel @ +/-5 MHz Rejection Alternate Channel @ +/-10 MHz Rejection RSSI Range RSSI Error © 2008 Microchip Technology Inc. MRF24J40MA Min Typ -40 — 2.4 — 2.4 3.3 0 — -0.3 — ...
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... MRF24J40MA TABLE 4-4: TRANSMITTER AC CHARACTERISTICS Typical values are 25° 3.3V, LO Frequency = 2.445 GHz A DD Parameters Condition RF Carrier Frequency Maximum RF Output Power RF Output Power Control Range TX Gain Control Programmed by Register Resolution Carrier Suppression TX Spectrum Mask for Offset Frequency > 3.5 MHz, O-QPSK Signal ...
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... APPENDIX A: REVISION HISTORY Revision A (June 2008) Original data sheet for the MRF24J40MA device. Revision B (November 2008) Changed C17 to 1.0 pF and removed CLKOUT signal. © 2008 Microchip Technology Inc. MRF24J40MA DS70329B-page 21 ...
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... MRF24J40MA NOTES: DS70329B-page 22 © 2008 Microchip Technology Inc. ...
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... Internet Address .................................................................. 24 M MAC/Baseband Features ...................................................... 1 Microchip Internet Web Site ................................................ 24 MiWi P2P............................................................................... 3 MiWi Protocol ........................................................................3 More Information ................................................................... 2 Customer Notification System ....................................... 2 Errata ............................................................................2 Mounting Details.................................................................... 5 MRF24J40 Data Sheet...................................................... 3, 7 MRF24J40MA Bill of Materials (BOM) ..................................9 MRF24J40MA Schematic...................................................... 8 DS70329B-page 23 MRF24J40MA O Overview ............................................................................... 3 P PCB Antenna ...................................................................... 12 Dimensions ................................................................. 12 Simulation Drawing ..................................................... 12 PCB Layers Bottom Copper............................................................ 10 Layer 2 – ...
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... MRF24J40MA NOTES: DS70329B-page 24 © 2008 Microchip Technology Inc. ...
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... Customers representative or field application engineer (FAE) for support. Local sales offices are also available to help customers. A listing of sales offices and locations is included in the back of this document. Technical support is available through the web site at: http://support.microchip.com MRF24J40MA should contact their distributor, DS70329B-page 25 ...
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... Telephone: (_______) _________ - _________ Application (optional): Would you like a reply? Y Device: MRF24J40MA Questions: 1. What are the best features of this document? 2. How does this document meet your hardware and software development needs you find the organization of this document easy to follow? If not, why? 4 ...
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... To order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office PART NO Device Module Module Type Device MRF24J40MA; V range 2.4V to 3.6V DD Temperature Range I = -40°C to +85°C © 2008 Microchip Technology Inc Examples: Tape and Temperature a) MRF24J40MA-I = Industrial temp. tray Reel Range b) MRF24J40MAT-I = Industrial temp., tape and reel. (Industrial) MRF24J40MA . DS70329B-page 27 ...
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... Fax: 886-3-572-6459 Taiwan - Kaohsiung Tel: 886-7-536-4818 Fax: 886-7-536-4803 Taiwan - Taipei Tel: 886-2-2500-6610 Fax: 886-2-2508-0102 Thailand - Bangkok Tel: 66-2-694-1351 Fax: 66-2-694-1350 © 2008 Microchip Technology Inc. EUROPE Austria - Wels Tel: 43-7242-2244-39 Fax: 43-7242-2244-393 Denmark - Copenhagen Tel: 45-4450-2828 Fax: 45-4485-2829 France - Paris Tel: 33-1-69-53-63-20 ...