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Maxim > Products > Wireless, RF, and Cable 
MAX2900, MAX2901, MAX2902, MAX2903, MAX2904
200mW Single-Chip Transmitter ICs for 868MHz/915MHz ISM Bands


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Data Sheet
FULL DATA SHEET (PDF, 416kB)
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Description
The MAX2900–MAX2904 complete single-chip 200mW transmitters are designed for use in the 868MHz/915MHz frequency bands. The MAX2900/MAX2901/MAX2902 are compliant with the FCC CFR47 part 15.247 902MHz to 928MHz ISM-band specifications. MAX2903/MAX2904 are compliant with the ETSI EN330-220 specification for the European 868MHz ISM band.

These transmitter ICs offer a high level of integration while minimizing the number of external components. This is achieved by full integration of the transmit modulator, power amplifier, RF VCO, 8-channel frequency synthesizer, and baseband PN sequence lowpass filter. By filtering the BPSK modulation, the spurious emissions are reduced, enabling up to eight independent transmit channels in the U.S. ISM band. Inputs are provided for spread-spectrum BPSK, ASK, and OOK. FM can be achieved by directly modulating the VCO. The devices are intended primarily for use with an external differential antenna.

Key Features   Applications/Uses
  • Versions for U.S. 902MHz to 928MHz Band and European 868MHz Band
  • -7dBm to +23dBm Adjustable Differential RF Output Power
  • +23dBm Output Power at 4.5V, +20dBm Output Power at 3.0V
  • Support BPSK, OOK, ASK, and FM Modulations
  • Modulation Filter for Direct Sequence BPSK up to 8Mchips/s
  • Fully Integrated VCO with On-Chip Tank
  • Extremely Low Frequency Pulling for OOK Modulation (typ 60kHz peak, 5kHz RMS)
  • Integrated Frequency Synthesizer for up to 8 Channels (MAX2900)
  • +2.7V to +4.5V Supply Operation
  • Small 28-Pin QFN Package with Exposed Pad (5mm x 5mm)

 
  		• Automatic Meter Reading
  		• Wireless Building Control
  		• Wireless Data Networks
  		• Wireless Security Systems/Alarms
  		• Wireless Sensors

    Key Specifications:   Transmit System ICs
    Part Number Min. Frequency (MHz) Max. Frequency (MHz) Features Footprint (mm x mm) Package Price**
    MAX2900  902 928
    •+23dBm Output Power at 4.5V, +20dBm at 3.0V
    •Integrated Frequency Synthesizer For Up to 8 Channels
    •Integrated VCO with On-Chip Tank
    •Supports Spread-Spectrum BPSK, ASK, OOK, and FM
    		 5.0 x 5.0 QFN/28
    THIN QFN/28     		$3.34 @ 1k
    MAX2901  902 928
    •+23dBm Output Power at 4.5V, +20dBm at 3.0V
    •Integrated Frequency Synthesizer For Up to 2 Channels
    •Integrated VCO with On-Chip Tank
    •Supports Spread-Spectrum BPSK, ASK, OOK, and FM
    		 $3.34 @ 1k
    MAX2902  902 928
    •+23dBm Output Power at 4.5V, +20dBm at 3.0V
    •Integrated VCO with On-Chip Tank
    •Off-Chip Synthesizer
    •Supports Spread-Spectrum BPSK, ASK, OOK, and FM
    		 $3.20 @ 1k
    MAX2903  867 870
    •+23dBm Output Power at 4.5V, +20dBm at 3.0V
    •Integrated Frequency Synthesizer For Up to 2 Channels
    •Integrated VCO with On-Chip Tank
    •Supports Spread-Spectrum BPSK, ASK, OOK, and FM
    		 $3.34 @ 1k
    MAX2904  867 870
    •+23dBm Output Power at 4.5V, +20dBm at 3.0V
    •Integrated VCO with On-Chip Tank
    •Off-Chip Synthesizer
    •Supports Spread-Spectrum BPSK, ASK, OOK, and FM
    		 $3.20 @ 1k
    See All Transmit System ICs (19)
    Notes:
    **This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.

    Application Notes
  		• Application Note 1768: Tracking Advances in VCO Technology - MAX2900
  		• Application Note 2873: Combine the MAX2902 with an External Frequency Synthesizer - MAX2902
  		• Application Note 4171: Transmitter Reference Design for a 900MHz Full-Duplex Radio - MAX2902

    Evaluation Kits
  		• MAX2900EVKIT, MAX2901EVKIT, MAX2902EVKIT, MAX2903EVKIT, MAX2904EVKIT

    Design Guides
  		• Wireless (PDF)

    Reliability Reports
  		• Show FIT data for:
  		• Request Reliability Report for:

    Software/Models
    none

    Ordering Information
    Notes:

    1. Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
    2. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
    3. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions.
    4. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.


    Devices: 1-20 of 20

    MAX2900 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX2900EGI  
    		QFN;28 pin;
    Dwg: 21-0091 (PDF)
    Use pkgcode/variation: G2855-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2900EGI-T  
    		QFN;28 pin;
    Dwg: 21-0091 (PDF)
    Use pkgcode/variation: G2855-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2900ETI+T  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2900ETI+  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2901 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX2901EGI  
    		QFN;28 pin;
    Dwg: 21-0091 (PDF)
    Use pkgcode/variation: G2855-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2901EGI-T  



    		-40°C to +85°C See data sheet
    MAX2901ETI+  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2901ETI+T  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2902 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX2902EGI  
    		QFN;28 pin;
    Dwg: 21-0091 (PDF)
    Use pkgcode/variation: G2855-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2902EGI-T  
    		QFN;28 pin;
    Dwg: 21-0091 (PDF)
    Use pkgcode/variation: G2855-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2902ETI+  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2902ETI+T  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2903 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX2903EGI-T  



    		-40°C to +85°C See data sheet
    MAX2903EGI  
    		QFN;28 pin;
    Dwg: 21-0091 (PDF)
    Use pkgcode/variation: G2855-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2903ETI+T  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2903ETI+  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2904 Free
    Sample    		 Buy
    Package: TYPE PINS FOOTPRINT
      DRAWING CODE/VAR *
    		Temp RoHS/Lead-Free?
    Materials Analysis
    MAX2904EGI-T  



    		-40°C to +85°C See data sheet
    MAX2904EGI  
    		QFN;28 pin;
    Dwg: 21-0091 (PDF)
    Use pkgcode/variation: G2855-1*
    		-40°C to +85°C RoHS/Lead-Free: No
    Materials Analysis
    MAX2904ETI+  
    		THIN QFN;28 pin;
    Dwg: 21-0140 (PDF)
    Use pkgcode/variation: T2855+4*
    		-40°C to +85°C RoHS/Lead-Free: Lead Free
    Materials Analysis
    MAX2904ETI+T  



    		-40°C to +85°C See data sheet

    More Information
  		• New Product Press Release 2001-12-04 

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    Document Ref.: 19-2145; Rev 2; 2008-03-18
    This page last modified: 2008-03-18




             


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